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Added standalone gtest

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This commit is contained in:
Reece Wilson 2020-12-18 12:52:05 +00:00
parent a22b3c35b3
commit 9be19e4b76
39 changed files with 24557 additions and 228 deletions
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157
third_party/googletest/BUILD.gn vendored
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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
config("gtest_config") {
visibility = [ ":*" ] # gmock also shares this config.
defines = [
# Chromium always links googletest statically, so no API qualifier is
# necessary. The definition in gtest-port.h at the time of this writing
# causes crashes in content_browsertests.
"GTEST_API_=",
# In order to allow regex matches in gtest to be shared between Windows
# and other systems, we tell gtest to always use its internal engine.
"GTEST_HAS_POSIX_RE=0",
# Enables C++11 features.
"GTEST_LANG_CXX11=1",
# Prevents gtest from including both <tr1/tuple> and <tuple>.
"GTEST_HAS_TR1_TUPLE=0",
]
# Gtest headers need to be able to find themselves.
include_dirs = [
# TODO(crbug.com/829773): Remove this after transitioning off <tr1/tuple>.
"custom",
"src/googletest/include",
]
if (is_win) {
cflags = [ "/wd4800" ] # Unused variable warning.
}
}
config("gmock_config") {
# Gmock headers need to be able to find themselves.
include_dirs = [
# TODO(crbug.com/829773): Add "custom" here after transitioning off
# <tr1/tuple>.
"src/googlemock/include",
]
}
# Do NOT depend on this directly. Use //testing/gtest instead.
# See README.chromium for details.
source_set("gtest") {
testonly = true
sources = [
# TODO(crbug.com/829773): Remove this after transitioning off <tr1/tuple>.
"custom/gmock/internal/custom/gmock-port.h",
"src/googletest/include/gtest/gtest-death-test.h",
"src/googletest/include/gtest/gtest-matchers.h",
"src/googletest/include/gtest/gtest-message.h",
"src/googletest/include/gtest/gtest-param-test.h",
"src/googletest/include/gtest/gtest-printers.h",
"src/googletest/include/gtest/gtest-spi.h",
"src/googletest/include/gtest/gtest-test-part.h",
"src/googletest/include/gtest/gtest-typed-test.h",
"src/googletest/include/gtest/gtest.h",
"src/googletest/include/gtest/gtest_pred_impl.h",
"src/googletest/include/gtest/internal/gtest-death-test-internal.h",
"src/googletest/include/gtest/internal/gtest-filepath.h",
"src/googletest/include/gtest/internal/gtest-internal.h",
"src/googletest/include/gtest/internal/gtest-linked_ptr.h",
"src/googletest/include/gtest/internal/gtest-param-util-generated.h",
"src/googletest/include/gtest/internal/gtest-param-util.h",
"src/googletest/include/gtest/internal/gtest-port.h",
"src/googletest/include/gtest/internal/gtest-string.h",
"src/googletest/include/gtest/internal/gtest-tuple.h",
"src/googletest/include/gtest/internal/gtest-type-util.h",
#"src/googletest/src/gtest-all.cc", # Not needed by our build.
"src/googletest/src/gtest-death-test.cc",
"src/googletest/src/gtest-filepath.cc",
"src/googletest/src/gtest-internal-inl.h",
"src/googletest/src/gtest-matchers.cc",
"src/googletest/src/gtest-port.cc",
"src/googletest/src/gtest-printers.cc",
"src/googletest/src/gtest-test-part.cc",
"src/googletest/src/gtest-typed-test.cc",
"src/googletest/src/gtest.cc",
]
# Some files include "src/gtest-internal-inl.h".
include_dirs = [ "src/googletest" ]
all_dependent_configs = [ ":gtest_config" ]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
deps = []
if (is_fuchsia) {
deps += [
"//third_party/fuchsia-sdk/sdk/pkg/fdio",
"//third_party/fuchsia-sdk/sdk/pkg/zx",
]
}
}
# Do NOT depend on this directly. Use //testing/gtest:gtest_main instead.
# See README.chromium for details.
source_set("gtest_main") {
testonly = true
sources = [ "src/googletest/src/gtest_main.cc" ]
deps = [ ":gtest" ]
}
# Do NOT depend on this directly. Use //testing/gmock:gmock_main instead.
# See README.chromium for details.
source_set("gmock") {
testonly = true
sources = [
"src/googlemock/include/gmock/gmock-actions.h",
"src/googlemock/include/gmock/gmock-cardinalities.h",
"src/googlemock/include/gmock/gmock-function-mocker.h",
"src/googlemock/include/gmock/gmock-generated-actions.h",
"src/googlemock/include/gmock/gmock-generated-nice-strict.h",
"src/googlemock/include/gmock/gmock-matchers.h",
"src/googlemock/include/gmock/gmock-more-actions.h",
"src/googlemock/include/gmock/gmock-more-matchers.h",
"src/googlemock/include/gmock/gmock-nice-strict.h",
"src/googlemock/include/gmock/gmock-spec-builders.h",
"src/googlemock/include/gmock/gmock.h",
"src/googlemock/include/gmock/internal/gmock-generated-internal-utils.h",
"src/googlemock/include/gmock/internal/gmock-internal-utils.h",
"src/googlemock/include/gmock/internal/gmock-port.h",
"src/googlemock/include/gmock/internal/gmock-pp.h",
# gmock helpers.
"custom/gmock/internal/custom/gmock-port.h",
#"src/googlemock/src/gmock-all.cc", # Not needed by our build.
"src/googlemock/src/gmock-cardinalities.cc",
"src/googlemock/src/gmock-internal-utils.cc",
"src/googlemock/src/gmock-matchers.cc",
"src/googlemock/src/gmock-spec-builders.cc",
"src/googlemock/src/gmock.cc",
]
public_configs = [
":gmock_config",
":gtest_config",
]
}
# Do NOT depend on this directly. Use //testing/gmock:gmock_main instead.
# See README.chromium for details.
static_library("gmock_main") {
testonly = true
sources = [ "src/googlemock/src/gmock_main.cc" ]
deps = [ ":gmock" ]
}

2
third_party/googletest/OWNERS vendored
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thakis@chromium.org
pwnall@chromium.org

17
third_party/googletest/README.chromium vendored
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Name: Google Test: Google's C++ Testing Framework
Short Name: googletest
URL: https://github.com/google/googletest.git
Version: 1.8.0.git-9518a57428ae0a7ed450c1361768e84a2a38af5a
License: BSD
Security critical: no
Google Test is imported as-is, to facilitate version bumping. However, the
file/directory layout of Google Test is not yet considered stable. Therefore,
until Google Test's layout stabilizes, Chromium code MUST NOT depend on it
directly. Instead, Chromium code MUST:
* #include the headers in testing/gtest and testing/gmock
* use //testing/gtest(:gtest_main) and //testing/gmock(:gmock_main) in BUILD.gn
deps
This will allow us to adapt to Google Test changes with minimal disruption.

27
third_party/googletest/custom/gtest/internal/custom/gtest-port.h vendored
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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_GOOGLETEST_CUSTOM_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_
#define THIRD_PARTY_GOOGLETEST_CUSTOM_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_
// This temporarily forwards tuple and some tuple functions from std::tr1 to
// std:: to make it possible to migrate from std::tr1.
//
// TODO(crbug.com/829773): Remove this file when the transition is complete.
#include <tuple>
namespace std {
namespace tr1 {
using std::get;
using std::make_tuple;
using std::tuple;
} // namespace tr1
} // namespace std
#endif // THIRD_PARTY_GOOGLETEST_CUSTOM_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_

25
third_party/googletest/gmock_custom/gmock/internal/custom/gmock-port.h vendored
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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TESTING_GMOCK_CUSTOM_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_
#define TESTING_GMOCK_CUSTOM_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_
#include <type_traits>
namespace std {
// Provide alternative implementation of std::is_default_constructible for
// old, pre-4.7 of libstdc++, where is_default_constructible is missing.
// <20120322 below implies pre-4.7.0. In addition we blacklist several version
// that released after 4.7.0 from pre-4.7.0 branch. 20120702 implies 4.5.4, and
// 20121127 implies 4.6.4.
#if defined(__GLIBCXX__) && \
(__GLIBCXX__ < 20120322 || __GLIBCXX__ == 20120702 || \
__GLIBCXX__ == 20121127)
template <typename T>
using is_default_constructible = std::is_constructible<T>;
#endif
}
#endif // TESTING_GMOCK_CUSTOM_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_

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third_party/googletest/src/googletest/include/gtest/gtest-death-test.h vendored Normal file
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// Copyright 2005, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The Google C++ Testing and Mocking Framework (Google Test)
//
// This header file defines the public API for death tests. It is
// #included by gtest.h so a user doesn't need to include this
// directly.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_
#define GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_
#include "gtest/internal/gtest-death-test-internal.h"
namespace testing {
// This flag controls the style of death tests. Valid values are "threadsafe",
// meaning that the death test child process will re-execute the test binary
// from the start, running only a single death test, or "fast",
// meaning that the child process will execute the test logic immediately
// after forking.
GTEST_DECLARE_string_(death_test_style);
#if GTEST_HAS_DEATH_TEST
namespace internal {
// Returns a Boolean value indicating whether the caller is currently
// executing in the context of the death test child process. Tools such as
// Valgrind heap checkers may need this to modify their behavior in death
// tests. IMPORTANT: This is an internal utility. Using it may break the
// implementation of death tests. User code MUST NOT use it.
GTEST_API_ bool InDeathTestChild();
} // namespace internal
// The following macros are useful for writing death tests.
// Here's what happens when an ASSERT_DEATH* or EXPECT_DEATH* is
// executed:
//
// 1. It generates a warning if there is more than one active
// thread. This is because it's safe to fork() or clone() only
// when there is a single thread.
//
// 2. The parent process clone()s a sub-process and runs the death
// test in it; the sub-process exits with code 0 at the end of the
// death test, if it hasn't exited already.
//
// 3. The parent process waits for the sub-process to terminate.
//
// 4. The parent process checks the exit code and error message of
// the sub-process.
//
// Examples:
//
// ASSERT_DEATH(server.SendMessage(56, "Hello"), "Invalid port number");
// for (int i = 0; i < 5; i++) {
// EXPECT_DEATH(server.ProcessRequest(i),
// "Invalid request .* in ProcessRequest()")
// << "Failed to die on request " << i;
// }
//
// ASSERT_EXIT(server.ExitNow(), ::testing::ExitedWithCode(0), "Exiting");
//
// bool KilledBySIGHUP(int exit_code) {
// return WIFSIGNALED(exit_code) && WTERMSIG(exit_code) == SIGHUP;
// }
//
// ASSERT_EXIT(client.HangUpServer(), KilledBySIGHUP, "Hanging up!");
//
// On the regular expressions used in death tests:
//
// GOOGLETEST_CM0005 DO NOT DELETE
// On POSIX-compliant systems (*nix), we use the <regex.h> library,
// which uses the POSIX extended regex syntax.
//
// On other platforms (e.g. Windows or Mac), we only support a simple regex
// syntax implemented as part of Google Test. This limited
// implementation should be enough most of the time when writing
// death tests; though it lacks many features you can find in PCRE
// or POSIX extended regex syntax. For example, we don't support
// union ("x|y"), grouping ("(xy)"), brackets ("[xy]"), and
// repetition count ("x{5,7}"), among others.
//
// Below is the syntax that we do support. We chose it to be a
// subset of both PCRE and POSIX extended regex, so it's easy to
// learn wherever you come from. In the following: 'A' denotes a
// literal character, period (.), or a single \\ escape sequence;
// 'x' and 'y' denote regular expressions; 'm' and 'n' are for
// natural numbers.
//
// c matches any literal character c
// \\d matches any decimal digit
// \\D matches any character that's not a decimal digit
// \\f matches \f
// \\n matches \n
// \\r matches \r
// \\s matches any ASCII whitespace, including \n
// \\S matches any character that's not a whitespace
// \\t matches \t
// \\v matches \v
// \\w matches any letter, _, or decimal digit
// \\W matches any character that \\w doesn't match
// \\c matches any literal character c, which must be a punctuation
// . matches any single character except \n
// A? matches 0 or 1 occurrences of A
// A* matches 0 or many occurrences of A
// A+ matches 1 or many occurrences of A
// ^ matches the beginning of a string (not that of each line)
// $ matches the end of a string (not that of each line)
// xy matches x followed by y
//
// If you accidentally use PCRE or POSIX extended regex features
// not implemented by us, you will get a run-time failure. In that
// case, please try to rewrite your regular expression within the
// above syntax.
//
// This implementation is *not* meant to be as highly tuned or robust
// as a compiled regex library, but should perform well enough for a
// death test, which already incurs significant overhead by launching
// a child process.
//
// Known caveats:
//
// A "threadsafe" style death test obtains the path to the test
// program from argv[0] and re-executes it in the sub-process. For
// simplicity, the current implementation doesn't search the PATH
// when launching the sub-process. This means that the user must
// invoke the test program via a path that contains at least one
// path separator (e.g. path/to/foo_test and
// /absolute/path/to/bar_test are fine, but foo_test is not). This
// is rarely a problem as people usually don't put the test binary
// directory in PATH.
//
// Asserts that a given statement causes the program to exit, with an
// integer exit status that satisfies predicate, and emitting error output
// that matches regex.
# define ASSERT_EXIT(statement, predicate, regex) \
GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_FATAL_FAILURE_)
// Like ASSERT_EXIT, but continues on to successive tests in the
// test suite, if any:
# define EXPECT_EXIT(statement, predicate, regex) \
GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_NONFATAL_FAILURE_)
// Asserts that a given statement causes the program to exit, either by
// explicitly exiting with a nonzero exit code or being killed by a
// signal, and emitting error output that matches regex.
# define ASSERT_DEATH(statement, regex) \
ASSERT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex)
// Like ASSERT_DEATH, but continues on to successive tests in the
// test suite, if any:
# define EXPECT_DEATH(statement, regex) \
EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex)
// Two predicate classes that can be used in {ASSERT,EXPECT}_EXIT*:
// Tests that an exit code describes a normal exit with a given exit code.
class GTEST_API_ ExitedWithCode {
public:
explicit ExitedWithCode(int exit_code);
ExitedWithCode(const ExitedWithCode&) = default;
void operator=(const ExitedWithCode& other) = delete;
bool operator()(int exit_status) const;
private:
const int exit_code_;
};
# if !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
// Tests that an exit code describes an exit due to termination by a
// given signal.
// GOOGLETEST_CM0006 DO NOT DELETE
class GTEST_API_ KilledBySignal {
public:
explicit KilledBySignal(int signum);
bool operator()(int exit_status) const;
private:
const int signum_;
};
# endif // !GTEST_OS_WINDOWS
// EXPECT_DEBUG_DEATH asserts that the given statements die in debug mode.
// The death testing framework causes this to have interesting semantics,
// since the sideeffects of the call are only visible in opt mode, and not
// in debug mode.
//
// In practice, this can be used to test functions that utilize the
// LOG(DFATAL) macro using the following style:
//
// int DieInDebugOr12(int* sideeffect) {
// if (sideeffect) {
// *sideeffect = 12;
// }
// LOG(DFATAL) << "death";
// return 12;
// }
//
// TEST(TestSuite, TestDieOr12WorksInDgbAndOpt) {
// int sideeffect = 0;
// // Only asserts in dbg.
// EXPECT_DEBUG_DEATH(DieInDebugOr12(&sideeffect), "death");
//
// #ifdef NDEBUG
// // opt-mode has sideeffect visible.
// EXPECT_EQ(12, sideeffect);
// #else
// // dbg-mode no visible sideeffect.
// EXPECT_EQ(0, sideeffect);
// #endif
// }
//
// This will assert that DieInDebugReturn12InOpt() crashes in debug
// mode, usually due to a DCHECK or LOG(DFATAL), but returns the
// appropriate fallback value (12 in this case) in opt mode. If you
// need to test that a function has appropriate side-effects in opt
// mode, include assertions against the side-effects. A general
// pattern for this is:
//
// EXPECT_DEBUG_DEATH({
// // Side-effects here will have an effect after this statement in
// // opt mode, but none in debug mode.
// EXPECT_EQ(12, DieInDebugOr12(&sideeffect));
// }, "death");
//
# ifdef NDEBUG
# define EXPECT_DEBUG_DEATH(statement, regex) \
GTEST_EXECUTE_STATEMENT_(statement, regex)
# define ASSERT_DEBUG_DEATH(statement, regex) \
GTEST_EXECUTE_STATEMENT_(statement, regex)
# else
# define EXPECT_DEBUG_DEATH(statement, regex) \
EXPECT_DEATH(statement, regex)
# define ASSERT_DEBUG_DEATH(statement, regex) \
ASSERT_DEATH(statement, regex)
# endif // NDEBUG for EXPECT_DEBUG_DEATH
#endif // GTEST_HAS_DEATH_TEST
// This macro is used for implementing macros such as
// EXPECT_DEATH_IF_SUPPORTED and ASSERT_DEATH_IF_SUPPORTED on systems where
// death tests are not supported. Those macros must compile on such systems
// if and only if EXPECT_DEATH and ASSERT_DEATH compile with the same parameters
// on systems that support death tests. This allows one to write such a macro on
// a system that does not support death tests and be sure that it will compile
// on a death-test supporting system. It is exposed publicly so that systems
// that have death-tests with stricter requirements than GTEST_HAS_DEATH_TEST
// can write their own equivalent of EXPECT_DEATH_IF_SUPPORTED and
// ASSERT_DEATH_IF_SUPPORTED.
//
// Parameters:
// statement - A statement that a macro such as EXPECT_DEATH would test
// for program termination. This macro has to make sure this
// statement is compiled but not executed, to ensure that
// EXPECT_DEATH_IF_SUPPORTED compiles with a certain
// parameter if and only if EXPECT_DEATH compiles with it.
// regex - A regex that a macro such as EXPECT_DEATH would use to test
// the output of statement. This parameter has to be
// compiled but not evaluated by this macro, to ensure that
// this macro only accepts expressions that a macro such as
// EXPECT_DEATH would accept.
// terminator - Must be an empty statement for EXPECT_DEATH_IF_SUPPORTED
// and a return statement for ASSERT_DEATH_IF_SUPPORTED.
// This ensures that ASSERT_DEATH_IF_SUPPORTED will not
// compile inside functions where ASSERT_DEATH doesn't
// compile.
//
// The branch that has an always false condition is used to ensure that
// statement and regex are compiled (and thus syntactically correct) but
// never executed. The unreachable code macro protects the terminator
// statement from generating an 'unreachable code' warning in case
// statement unconditionally returns or throws. The Message constructor at
// the end allows the syntax of streaming additional messages into the
// macro, for compilational compatibility with EXPECT_DEATH/ASSERT_DEATH.
# define GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, terminator) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::internal::AlwaysTrue()) { \
GTEST_LOG_(WARNING) \
<< "Death tests are not supported on this platform.\n" \
<< "Statement '" #statement "' cannot be verified."; \
} else if (::testing::internal::AlwaysFalse()) { \
::testing::internal::RE::PartialMatch(".*", (regex)); \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
terminator; \
} else \
::testing::Message()
// EXPECT_DEATH_IF_SUPPORTED(statement, regex) and
// ASSERT_DEATH_IF_SUPPORTED(statement, regex) expand to real death tests if
// death tests are supported; otherwise they just issue a warning. This is
// useful when you are combining death test assertions with normal test
// assertions in one test.
#if GTEST_HAS_DEATH_TEST
# define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \
EXPECT_DEATH(statement, regex)
# define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \
ASSERT_DEATH(statement, regex)
#else
# define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \
GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, )
# define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \
GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, return)
#endif
} // namespace testing
#endif // GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_

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// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// The Google C++ Testing and Mocking Framework (Google Test)
//
// This file implements just enough of the matcher interface to allow
// EXPECT_DEATH and friends to accept a matcher argument.
// IWYU pragma: private, include "testing/base/public/gunit.h"
// IWYU pragma: friend third_party/googletest/googlemock/.*
// IWYU pragma: friend third_party/googletest/googletest/.*
#ifndef GTEST_INCLUDE_GTEST_GTEST_MATCHERS_H_
#define GTEST_INCLUDE_GTEST_GTEST_MATCHERS_H_
#include <memory>
#include <ostream>
#include <string>
#include <type_traits>
#include "gtest/gtest-printers.h"
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-port.h"
// MSVC warning C5046 is new as of VS2017 version 15.8.
#if defined(_MSC_VER) && _MSC_VER >= 1915
#define GTEST_MAYBE_5046_ 5046
#else
#define GTEST_MAYBE_5046_
#endif
GTEST_DISABLE_MSC_WARNINGS_PUSH_(
4251 GTEST_MAYBE_5046_ /* class A needs to have dll-interface to be used by
clients of class B */
/* Symbol involving type with internal linkage not defined */)
namespace testing {
// To implement a matcher Foo for type T, define:
// 1. a class FooMatcherImpl that implements the
// MatcherInterface<T> interface, and
// 2. a factory function that creates a Matcher<T> object from a
// FooMatcherImpl*.
//
// The two-level delegation design makes it possible to allow a user
// to write "v" instead of "Eq(v)" where a Matcher is expected, which
// is impossible if we pass matchers by pointers. It also eases
// ownership management as Matcher objects can now be copied like
// plain values.
// MatchResultListener is an abstract class. Its << operator can be
// used by a matcher to explain why a value matches or doesn't match.
//
class MatchResultListener {
public:
// Creates a listener object with the given underlying ostream. The
// listener does not own the ostream, and does not dereference it
// in the constructor or destructor.
explicit MatchResultListener(::std::ostream* os) : stream_(os) {}
virtual ~MatchResultListener() = 0; // Makes this class abstract.
// Streams x to the underlying ostream; does nothing if the ostream
// is NULL.
template <typename T>
MatchResultListener& operator<<(const T& x) {
if (stream_ != nullptr) *stream_ << x;
return *this;
}
// Returns the underlying ostream.
::std::ostream* stream() { return stream_; }
// Returns true if and only if the listener is interested in an explanation
// of the match result. A matcher's MatchAndExplain() method can use
// this information to avoid generating the explanation when no one
// intends to hear it.
bool IsInterested() const { return stream_ != nullptr; }
private:
::std::ostream* const stream_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(MatchResultListener);
};
inline MatchResultListener::~MatchResultListener() {
}
// An instance of a subclass of this knows how to describe itself as a
// matcher.
class MatcherDescriberInterface {
public:
virtual ~MatcherDescriberInterface() {}
// Describes this matcher to an ostream. The function should print
// a verb phrase that describes the property a value matching this
// matcher should have. The subject of the verb phrase is the value
// being matched. For example, the DescribeTo() method of the Gt(7)
// matcher prints "is greater than 7".
virtual void DescribeTo(::std::ostream* os) const = 0;
// Describes the negation of this matcher to an ostream. For
// example, if the description of this matcher is "is greater than
// 7", the negated description could be "is not greater than 7".
// You are not required to override this when implementing
// MatcherInterface, but it is highly advised so that your matcher
// can produce good error messages.
virtual void DescribeNegationTo(::std::ostream* os) const {
*os << "not (";
DescribeTo(os);
*os << ")";
}
};
// The implementation of a matcher.
template <typename T>
class MatcherInterface : public MatcherDescriberInterface {
public:
// Returns true if and only if the matcher matches x; also explains the
// match result to 'listener' if necessary (see the next paragraph), in
// the form of a non-restrictive relative clause ("which ...",
// "whose ...", etc) that describes x. For example, the
// MatchAndExplain() method of the Pointee(...) matcher should
// generate an explanation like "which points to ...".
//
// Implementations of MatchAndExplain() should add an explanation of
// the match result *if and only if* they can provide additional
// information that's not already present (or not obvious) in the
// print-out of x and the matcher's description. Whether the match
// succeeds is not a factor in deciding whether an explanation is
// needed, as sometimes the caller needs to print a failure message
// when the match succeeds (e.g. when the matcher is used inside
// Not()).
//
// For example, a "has at least 10 elements" matcher should explain
// what the actual element count is, regardless of the match result,
// as it is useful information to the reader; on the other hand, an
// "is empty" matcher probably only needs to explain what the actual
// size is when the match fails, as it's redundant to say that the
// size is 0 when the value is already known to be empty.
//
// You should override this method when defining a new matcher.
//
// It's the responsibility of the caller (Google Test) to guarantee
// that 'listener' is not NULL. This helps to simplify a matcher's
// implementation when it doesn't care about the performance, as it
// can talk to 'listener' without checking its validity first.
// However, in order to implement dummy listeners efficiently,
// listener->stream() may be NULL.
virtual bool MatchAndExplain(T x, MatchResultListener* listener) const = 0;
// Inherits these methods from MatcherDescriberInterface:
// virtual void DescribeTo(::std::ostream* os) const = 0;
// virtual void DescribeNegationTo(::std::ostream* os) const;
};
namespace internal {
// Converts a MatcherInterface<T> to a MatcherInterface<const T&>.
template <typename T>
class MatcherInterfaceAdapter : public MatcherInterface<const T&> {
public:
explicit MatcherInterfaceAdapter(const MatcherInterface<T>* impl)
: impl_(impl) {}
~MatcherInterfaceAdapter() override { delete impl_; }
void DescribeTo(::std::ostream* os) const override { impl_->DescribeTo(os); }
void DescribeNegationTo(::std::ostream* os) const override {
impl_->DescribeNegationTo(os);
}
bool MatchAndExplain(const T& x,
MatchResultListener* listener) const override {
return impl_->MatchAndExplain(x, listener);
}
private:
const MatcherInterface<T>* const impl_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(MatcherInterfaceAdapter);
};
struct AnyEq {
template <typename A, typename B>
bool operator()(const A& a, const B& b) const { return a == b; }
};
struct AnyNe {
template <typename A, typename B>
bool operator()(const A& a, const B& b) const { return a != b; }
};
struct AnyLt {
template <typename A, typename B>
bool operator()(const A& a, const B& b) const { return a < b; }
};
struct AnyGt {
template <typename A, typename B>
bool operator()(const A& a, const B& b) const { return a > b; }
};
struct AnyLe {
template <typename A, typename B>
bool operator()(const A& a, const B& b) const { return a <= b; }
};
struct AnyGe {
template <typename A, typename B>
bool operator()(const A& a, const B& b) const { return a >= b; }
};
// A match result listener that ignores the explanation.
class DummyMatchResultListener : public MatchResultListener {
public:
DummyMatchResultListener() : MatchResultListener(nullptr) {}
private:
GTEST_DISALLOW_COPY_AND_ASSIGN_(DummyMatchResultListener);
};
// A match result listener that forwards the explanation to a given
// ostream. The difference between this and MatchResultListener is
// that the former is concrete.
class StreamMatchResultListener : public MatchResultListener {
public:
explicit StreamMatchResultListener(::std::ostream* os)
: MatchResultListener(os) {}
private:
GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamMatchResultListener);
};
// An internal class for implementing Matcher<T>, which will derive
// from it. We put functionalities common to all Matcher<T>
// specializations here to avoid code duplication.
template <typename T>
class MatcherBase {
public:
// Returns true if and only if the matcher matches x; also explains the
// match result to 'listener'.
bool MatchAndExplain(const T& x, MatchResultListener* listener) const {
return impl_->MatchAndExplain(x, listener);
}
// Returns true if and only if this matcher matches x.
bool Matches(const T& x) const {
DummyMatchResultListener dummy;
return MatchAndExplain(x, &dummy);
}
// Describes this matcher to an ostream.
void DescribeTo(::std::ostream* os) const { impl_->DescribeTo(os); }
// Describes the negation of this matcher to an ostream.
void DescribeNegationTo(::std::ostream* os) const {
impl_->DescribeNegationTo(os);
}
// Explains why x matches, or doesn't match, the matcher.
void ExplainMatchResultTo(const T& x, ::std::ostream* os) const {
StreamMatchResultListener listener(os);
MatchAndExplain(x, &listener);
}
// Returns the describer for this matcher object; retains ownership
// of the describer, which is only guaranteed to be alive when
// this matcher object is alive.
const MatcherDescriberInterface* GetDescriber() const {
return impl_.get();
}
protected:
MatcherBase() {}
// Constructs a matcher from its implementation.
explicit MatcherBase(const MatcherInterface<const T&>* impl) : impl_(impl) {}
template <typename U>
explicit MatcherBase(
const MatcherInterface<U>* impl,
typename std::enable_if<!std::is_same<U, const U&>::value>::type* =
nullptr)
: impl_(new internal::MatcherInterfaceAdapter<U>(impl)) {}
MatcherBase(const MatcherBase&) = default;
MatcherBase& operator=(const MatcherBase&) = default;
MatcherBase(MatcherBase&&) = default;
MatcherBase& operator=(MatcherBase&&) = default;
virtual ~MatcherBase() {}
private:
std::shared_ptr<const MatcherInterface<const T&>> impl_;
};
} // namespace internal
// A Matcher<T> is a copyable and IMMUTABLE (except by assignment)
// object that can check whether a value of type T matches. The
// implementation of Matcher<T> is just a std::shared_ptr to const
// MatcherInterface<T>. Don't inherit from Matcher!
template <typename T>
class Matcher : public internal::MatcherBase<T> {
public:
// Constructs a null matcher. Needed for storing Matcher objects in STL
// containers. A default-constructed matcher is not yet initialized. You
// cannot use it until a valid value has been assigned to it.
explicit Matcher() {} // NOLINT
// Constructs a matcher from its implementation.
explicit Matcher(const MatcherInterface<const T&>* impl)
: internal::MatcherBase<T>(impl) {}
template <typename U>
explicit Matcher(
const MatcherInterface<U>* impl,
typename std::enable_if<!std::is_same<U, const U&>::value>::type* =
nullptr)
: internal::MatcherBase<T>(impl) {}
// Implicit constructor here allows people to write
// EXPECT_CALL(foo, Bar(5)) instead of EXPECT_CALL(foo, Bar(Eq(5))) sometimes
Matcher(T value); // NOLINT
};
// The following two specializations allow the user to write str
// instead of Eq(str) and "foo" instead of Eq("foo") when a std::string
// matcher is expected.
template <>
class GTEST_API_ Matcher<const std::string&>
: public internal::MatcherBase<const std::string&> {
public:
Matcher() {}
explicit Matcher(const MatcherInterface<const std::string&>* impl)
: internal::MatcherBase<const std::string&>(impl) {}
// Allows the user to write str instead of Eq(str) sometimes, where
// str is a std::string object.
Matcher(const std::string& s); // NOLINT
// Allows the user to write "foo" instead of Eq("foo") sometimes.
Matcher(const char* s); // NOLINT
};
template <>
class GTEST_API_ Matcher<std::string>
: public internal::MatcherBase<std::string> {
public:
Matcher() {}
explicit Matcher(const MatcherInterface<const std::string&>* impl)
: internal::MatcherBase<std::string>(impl) {}
explicit Matcher(const MatcherInterface<std::string>* impl)
: internal::MatcherBase<std::string>(impl) {}
// Allows the user to write str instead of Eq(str) sometimes, where
// str is a string object.
Matcher(const std::string& s); // NOLINT
// Allows the user to write "foo" instead of Eq("foo") sometimes.
Matcher(const char* s); // NOLINT
};
#if GTEST_INTERNAL_HAS_STRING_VIEW
// The following two specializations allow the user to write str
// instead of Eq(str) and "foo" instead of Eq("foo") when a absl::string_view
// matcher is expected.
template <>
class GTEST_API_ Matcher<const internal::StringView&>
: public internal::MatcherBase<const internal::StringView&> {
public:
Matcher() {}
explicit Matcher(const MatcherInterface<const internal::StringView&>* impl)
: internal::MatcherBase<const internal::StringView&>(impl) {}
// Allows the user to write str instead of Eq(str) sometimes, where
// str is a std::string object.
Matcher(const std::string& s); // NOLINT
// Allows the user to write "foo" instead of Eq("foo") sometimes.
Matcher(const char* s); // NOLINT
// Allows the user to pass absl::string_views or std::string_views directly.
Matcher(internal::StringView s); // NOLINT
};
template <>
class GTEST_API_ Matcher<internal::StringView>
: public internal::MatcherBase<internal::StringView> {
public:
Matcher() {}
explicit Matcher(const MatcherInterface<const internal::StringView&>* impl)
: internal::MatcherBase<internal::StringView>(impl) {}
explicit Matcher(const MatcherInterface<internal::StringView>* impl)
: internal::MatcherBase<internal::StringView>(impl) {}
// Allows the user to write str instead of Eq(str) sometimes, where
// str is a std::string object.
Matcher(const std::string& s); // NOLINT
// Allows the user to write "foo" instead of Eq("foo") sometimes.
Matcher(const char* s); // NOLINT
// Allows the user to pass absl::string_views or std::string_views directly.
Matcher(internal::StringView s); // NOLINT
};
#endif // GTEST_INTERNAL_HAS_STRING_VIEW
// Prints a matcher in a human-readable format.
template <typename T>
std::ostream& operator<<(std::ostream& os, const Matcher<T>& matcher) {
matcher.DescribeTo(&os);
return os;
}
// The PolymorphicMatcher class template makes it easy to implement a
// polymorphic matcher (i.e. a matcher that can match values of more
// than one type, e.g. Eq(n) and NotNull()).
//
// To define a polymorphic matcher, a user should provide an Impl
// class that has a DescribeTo() method and a DescribeNegationTo()
// method, and define a member function (or member function template)
//
// bool MatchAndExplain(const Value& value,
// MatchResultListener* listener) const;
//
// See the definition of NotNull() for a complete example.
template <class Impl>
class PolymorphicMatcher {
public:
explicit PolymorphicMatcher(const Impl& an_impl) : impl_(an_impl) {}
// Returns a mutable reference to the underlying matcher
// implementation object.
Impl& mutable_impl() { return impl_; }
// Returns an immutable reference to the underlying matcher
// implementation object.
const Impl& impl() const { return impl_; }
template <typename T>
operator Matcher<T>() const {
return Matcher<T>(new MonomorphicImpl<const T&>(impl_));
}
private:
template <typename T>
class MonomorphicImpl : public MatcherInterface<T> {
public:
explicit MonomorphicImpl(const Impl& impl) : impl_(impl) {}
void DescribeTo(::std::ostream* os) const override { impl_.DescribeTo(os); }
void DescribeNegationTo(::std::ostream* os) const override {
impl_.DescribeNegationTo(os);
}
bool MatchAndExplain(T x, MatchResultListener* listener) const override {
return impl_.MatchAndExplain(x, listener);
}
private:
const Impl impl_;
};
Impl impl_;
};
// Creates a matcher from its implementation.
// DEPRECATED: Especially in the generic code, prefer:
// Matcher<T>(new MyMatcherImpl<const T&>(...));
//
// MakeMatcher may create a Matcher that accepts its argument by value, which
// leads to unnecessary copies & lack of support for non-copyable types.
template <typename T>
inline Matcher<T> MakeMatcher(const MatcherInterface<T>* impl) {
return Matcher<T>(impl);
}
// Creates a polymorphic matcher from its implementation. This is
// easier to use than the PolymorphicMatcher<Impl> constructor as it
// doesn't require you to explicitly write the template argument, e.g.
//
// MakePolymorphicMatcher(foo);
// vs
// PolymorphicMatcher<TypeOfFoo>(foo);
template <class Impl>
inline PolymorphicMatcher<Impl> MakePolymorphicMatcher(const Impl& impl) {
return PolymorphicMatcher<Impl>(impl);
}
namespace internal {
// Implements a matcher that compares a given value with a
// pre-supplied value using one of the ==, <=, <, etc, operators. The
// two values being compared don't have to have the same type.
//
// The matcher defined here is polymorphic (for example, Eq(5) can be
// used to match an int, a short, a double, etc). Therefore we use
// a template type conversion operator in the implementation.
//
// The following template definition assumes that the Rhs parameter is
// a "bare" type (i.e. neither 'const T' nor 'T&').
template <typename D, typename Rhs, typename Op>
class ComparisonBase {
public:
explicit ComparisonBase(const Rhs& rhs) : rhs_(rhs) {}
template <typename Lhs>
operator Matcher<Lhs>() const {
return Matcher<Lhs>(new Impl<const Lhs&>(rhs_));
}
private:
template <typename T>
static const T& Unwrap(const T& v) { return v; }
template <typename T>
static const T& Unwrap(std::reference_wrapper<T> v) { return v; }
template <typename Lhs, typename = Rhs>
class Impl : public MatcherInterface<Lhs> {
public:
explicit Impl(const Rhs& rhs) : rhs_(rhs) {}
bool MatchAndExplain(Lhs lhs,
MatchResultListener* /* listener */) const override {
return Op()(lhs, Unwrap(rhs_));
}
void DescribeTo(::std::ostream* os) const override {
*os << D::Desc() << " ";
UniversalPrint(Unwrap(rhs_), os);
}
void DescribeNegationTo(::std::ostream* os) const override {
*os << D::NegatedDesc() << " ";
UniversalPrint(Unwrap(rhs_), os);
}
private:
Rhs rhs_;
};
Rhs rhs_;
};
template <typename Rhs>
class EqMatcher : public ComparisonBase<EqMatcher<Rhs>, Rhs, AnyEq> {
public:
explicit EqMatcher(const Rhs& rhs)
: ComparisonBase<EqMatcher<Rhs>, Rhs, AnyEq>(rhs) { }
static const char* Desc() { return "is equal to"; }
static const char* NegatedDesc() { return "isn't equal to"; }
};
template <typename Rhs>
class NeMatcher : public ComparisonBase<NeMatcher<Rhs>, Rhs, AnyNe> {
public:
explicit NeMatcher(const Rhs& rhs)
: ComparisonBase<NeMatcher<Rhs>, Rhs, AnyNe>(rhs) { }
static const char* Desc() { return "isn't equal to"; }
static const char* NegatedDesc() { return "is equal to"; }
};
template <typename Rhs>
class LtMatcher : public ComparisonBase<LtMatcher<Rhs>, Rhs, AnyLt> {
public:
explicit LtMatcher(const Rhs& rhs)
: ComparisonBase<LtMatcher<Rhs>, Rhs, AnyLt>(rhs) { }
static const char* Desc() { return "is <"; }
static const char* NegatedDesc() { return "isn't <"; }
};
template <typename Rhs>
class GtMatcher : public ComparisonBase<GtMatcher<Rhs>, Rhs, AnyGt> {
public:
explicit GtMatcher(const Rhs& rhs)
: ComparisonBase<GtMatcher<Rhs>, Rhs, AnyGt>(rhs) { }
static const char* Desc() { return "is >"; }
static const char* NegatedDesc() { return "isn't >"; }
};
template <typename Rhs>
class LeMatcher : public ComparisonBase<LeMatcher<Rhs>, Rhs, AnyLe> {
public:
explicit LeMatcher(const Rhs& rhs)
: ComparisonBase<LeMatcher<Rhs>, Rhs, AnyLe>(rhs) { }
static const char* Desc() { return "is <="; }
static const char* NegatedDesc() { return "isn't <="; }
};
template <typename Rhs>
class GeMatcher : public ComparisonBase<GeMatcher<Rhs>, Rhs, AnyGe> {
public:
explicit GeMatcher(const Rhs& rhs)
: ComparisonBase<GeMatcher<Rhs>, Rhs, AnyGe>(rhs) { }
static const char* Desc() { return "is >="; }
static const char* NegatedDesc() { return "isn't >="; }
};
template <typename T, typename = typename std::enable_if<
std::is_constructible<std::string, T>::value>::type>
using StringLike = T;
// Implements polymorphic matchers MatchesRegex(regex) and
// ContainsRegex(regex), which can be used as a Matcher<T> as long as
// T can be converted to a string.
class MatchesRegexMatcher {
public:
MatchesRegexMatcher(const RE* regex, bool full_match)
: regex_(regex), full_match_(full_match) {}
#if GTEST_INTERNAL_HAS_STRING_VIEW
bool MatchAndExplain(const internal::StringView& s,
MatchResultListener* listener) const {
return MatchAndExplain(std::string(s), listener);
}
#endif // GTEST_INTERNAL_HAS_STRING_VIEW
// Accepts pointer types, particularly:
// const char*
// char*
// const wchar_t*
// wchar_t*
template <typename CharType>
bool MatchAndExplain(CharType* s, MatchResultListener* listener) const {
return s != nullptr && MatchAndExplain(std::string(s), listener);
}
// Matches anything that can convert to std::string.
//
// This is a template, not just a plain function with const std::string&,
// because absl::string_view has some interfering non-explicit constructors.
template <class MatcheeStringType>
bool MatchAndExplain(const MatcheeStringType& s,
MatchResultListener* /* listener */) const {
const std::string& s2(s);
return full_match_ ? RE::FullMatch(s2, *regex_)
: RE::PartialMatch(s2, *regex_);
}
void DescribeTo(::std::ostream* os) const {
*os << (full_match_ ? "matches" : "contains") << " regular expression ";
UniversalPrinter<std::string>::Print(regex_->pattern(), os);
}
void DescribeNegationTo(::std::ostream* os) const {
*os << "doesn't " << (full_match_ ? "match" : "contain")
<< " regular expression ";
UniversalPrinter<std::string>::Print(regex_->pattern(), os);
}
private:
const std::shared_ptr<const RE> regex_;
const bool full_match_;
};
} // namespace internal
// Matches a string that fully matches regular expression 'regex'.
// The matcher takes ownership of 'regex'.
inline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex(
const internal::RE* regex) {
return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, true));
}
template <typename T = std::string>
PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex(
const internal::StringLike<T>& regex) {
return MatchesRegex(new internal::RE(std::string(regex)));
}
// Matches a string that contains regular expression 'regex'.
// The matcher takes ownership of 'regex'.
inline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex(
const internal::RE* regex) {
return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, false));
}
template <typename T = std::string>
PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex(
const internal::StringLike<T>& regex) {
return ContainsRegex(new internal::RE(std::string(regex)));
}
// Creates a polymorphic matcher that matches anything equal to x.
// Note: if the parameter of Eq() were declared as const T&, Eq("foo")
// wouldn't compile.
template <typename T>
inline internal::EqMatcher<T> Eq(T x) { return internal::EqMatcher<T>(x); }
// Constructs a Matcher<T> from a 'value' of type T. The constructed
// matcher matches any value that's equal to 'value'.
template <typename T>
Matcher<T>::Matcher(T value) { *this = Eq(value); }
// Creates a monomorphic matcher that matches anything with type Lhs
// and equal to rhs. A user may need to use this instead of Eq(...)
// in order to resolve an overloading ambiguity.
//
// TypedEq<T>(x) is just a convenient short-hand for Matcher<T>(Eq(x))
// or Matcher<T>(x), but more readable than the latter.
//
// We could define similar monomorphic matchers for other comparison
// operations (e.g. TypedLt, TypedGe, and etc), but decided not to do
// it yet as those are used much less than Eq() in practice. A user
// can always write Matcher<T>(Lt(5)) to be explicit about the type,
// for example.
template <typename Lhs, typename Rhs>
inline Matcher<Lhs> TypedEq(const Rhs& rhs) { return Eq(rhs); }
// Creates a polymorphic matcher that matches anything >= x.
template <typename Rhs>
inline internal::GeMatcher<Rhs> Ge(Rhs x) {
return internal::GeMatcher<Rhs>(x);
}
// Creates a polymorphic matcher that matches anything > x.
template <typename Rhs>
inline internal::GtMatcher<Rhs> Gt(Rhs x) {
return internal::GtMatcher<Rhs>(x);
}
// Creates a polymorphic matcher that matches anything <= x.
template <typename Rhs>
inline internal::LeMatcher<Rhs> Le(Rhs x) {
return internal::LeMatcher<Rhs>(x);
}
// Creates a polymorphic matcher that matches anything < x.
template <typename Rhs>
inline internal::LtMatcher<Rhs> Lt(Rhs x) {
return internal::LtMatcher<Rhs>(x);
}
// Creates a polymorphic matcher that matches anything != x.
template <typename Rhs>
inline internal::NeMatcher<Rhs> Ne(Rhs x) {
return internal::NeMatcher<Rhs>(x);
}
} // namespace testing
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251 5046
#endif // GTEST_INCLUDE_GTEST_GTEST_MATCHERS_H_

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@ -0,0 +1,219 @@
// Copyright 2005, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The Google C++ Testing and Mocking Framework (Google Test)
//
// This header file defines the Message class.
//
// IMPORTANT NOTE: Due to limitation of the C++ language, we have to
// leave some internal implementation details in this header file.
// They are clearly marked by comments like this:
//
// // INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
//
// Such code is NOT meant to be used by a user directly, and is subject
// to CHANGE WITHOUT NOTICE. Therefore DO NOT DEPEND ON IT in a user
// program!
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_MESSAGE_H_
#define GTEST_INCLUDE_GTEST_GTEST_MESSAGE_H_
#include <limits>
#include <memory>
#include <sstream>
#include "gtest/internal/gtest-port.h"
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
/* class A needs to have dll-interface to be used by clients of class B */)
// Ensures that there is at least one operator<< in the global namespace.
// See Message& operator<<(...) below for why.
void operator<<(const testing::internal::Secret&, int);
namespace testing {
// The Message class works like an ostream repeater.
//
// Typical usage:
//
// 1. You stream a bunch of values to a Message object.
// It will remember the text in a stringstream.
// 2. Then you stream the Message object to an ostream.
// This causes the text in the Message to be streamed
// to the ostream.
//
// For example;
//
// testing::Message foo;
// foo << 1 << " != " << 2;
// std::cout << foo;
//
// will print "1 != 2".
//
// Message is not intended to be inherited from. In particular, its
// destructor is not virtual.
//
// Note that stringstream behaves differently in gcc and in MSVC. You
// can stream a NULL char pointer to it in the former, but not in the
// latter (it causes an access violation if you do). The Message
// class hides this difference by treating a NULL char pointer as
// "(null)".
class GTEST_API_ Message {
private:
// The type of basic IO manipulators (endl, ends, and flush) for
// narrow streams.
typedef std::ostream& (*BasicNarrowIoManip)(std::ostream&);
public:
// Constructs an empty Message.
Message();
// Copy constructor.
Message(const Message& msg) : ss_(new ::std::stringstream) { // NOLINT
*ss_ << msg.GetString();
}
// Constructs a Message from a C-string.
explicit Message(const char* str) : ss_(new ::std::stringstream) {
*ss_ << str;
}
// Streams a non-pointer value to this object.
template <typename T>
inline Message& operator <<(const T& val) {
// Some libraries overload << for STL containers. These
// overloads are defined in the global namespace instead of ::std.
//
// C++'s symbol lookup rule (i.e. Koenig lookup) says that these
// overloads are visible in either the std namespace or the global
// namespace, but not other namespaces, including the testing
// namespace which Google Test's Message class is in.
//
// To allow STL containers (and other types that has a << operator
// defined in the global namespace) to be used in Google Test
// assertions, testing::Message must access the custom << operator
// from the global namespace. With this using declaration,
// overloads of << defined in the global namespace and those
// visible via Koenig lookup are both exposed in this function.
using ::operator <<;
*ss_ << val;
return *this;
}
// Streams a pointer value to this object.
//
// This function is an overload of the previous one. When you
// stream a pointer to a Message, this definition will be used as it
// is more specialized. (The C++ Standard, section
// [temp.func.order].) If you stream a non-pointer, then the
// previous definition will be used.
//
// The reason for this overload is that streaming a NULL pointer to
// ostream is undefined behavior. Depending on the compiler, you
// may get "0", "(nil)", "(null)", or an access violation. To
// ensure consistent result across compilers, we always treat NULL
// as "(null)".
template <typename T>
inline Message& operator <<(T* const& pointer) { // NOLINT
if (pointer == nullptr) {
*ss_ << "(null)";
} else {
*ss_ << pointer;
}
return *this;
}
// Since the basic IO manipulators are overloaded for both narrow
// and wide streams, we have to provide this specialized definition
// of operator <<, even though its body is the same as the
// templatized version above. Without this definition, streaming
// endl or other basic IO manipulators to Message will confuse the
// compiler.
Message& operator <<(BasicNarrowIoManip val) {
*ss_ << val;
return *this;
}
// Instead of 1/0, we want to see true/false for bool values.
Message& operator <<(bool b) {
return *this << (b ? "true" : "false");
}
// These two overloads allow streaming a wide C string to a Message
// using the UTF-8 encoding.
Message& operator <<(const wchar_t* wide_c_str);
Message& operator <<(wchar_t* wide_c_str);
#if GTEST_HAS_STD_WSTRING
// Converts the given wide string to a narrow string using the UTF-8
// encoding, and streams the result to this Message object.
Message& operator <<(const ::std::wstring& wstr);
#endif // GTEST_HAS_STD_WSTRING
// Gets the text streamed to this object so far as an std::string.
// Each '\0' character in the buffer is replaced with "\\0".
//
// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
std::string GetString() const;
private:
// We'll hold the text streamed to this object here.
const std::unique_ptr< ::std::stringstream> ss_;
// We declare (but don't implement) this to prevent the compiler
// from implementing the assignment operator.
void operator=(const Message&);
};
// Streams a Message to an ostream.
inline std::ostream& operator <<(std::ostream& os, const Message& sb) {
return os << sb.GetString();
}
namespace internal {
// Converts a streamable value to an std::string. A NULL pointer is
// converted to "(null)". When the input value is a ::string,
// ::std::string, ::wstring, or ::std::wstring object, each NUL
// character in it is replaced with "\\0".
template <typename T>
std::string StreamableToString(const T& streamable) {
return (Message() << streamable).GetString();
}
} // namespace internal
} // namespace testing
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
#endif // GTEST_INCLUDE_GTEST_GTEST_MESSAGE_H_

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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Macros and functions for implementing parameterized tests
// in Google C++ Testing and Mocking Framework (Google Test)
//
// This file is generated by a SCRIPT. DO NOT EDIT BY HAND!
//
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
#define GTEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
// Value-parameterized tests allow you to test your code with different
// parameters without writing multiple copies of the same test.
//
// Here is how you use value-parameterized tests:
#if 0
// To write value-parameterized tests, first you should define a fixture
// class. It is usually derived from testing::TestWithParam<T> (see below for
// another inheritance scheme that's sometimes useful in more complicated
// class hierarchies), where the type of your parameter values.
// TestWithParam<T> is itself derived from testing::Test. T can be any
// copyable type. If it's a raw pointer, you are responsible for managing the
// lifespan of the pointed values.
class FooTest : public ::testing::TestWithParam<const char*> {
// You can implement all the usual class fixture members here.
};
// Then, use the TEST_P macro to define as many parameterized tests
// for this fixture as you want. The _P suffix is for "parameterized"
// or "pattern", whichever you prefer to think.
TEST_P(FooTest, DoesBlah) {
// Inside a test, access the test parameter with the GetParam() method
// of the TestWithParam<T> class:
EXPECT_TRUE(foo.Blah(GetParam()));
...
}
TEST_P(FooTest, HasBlahBlah) {
...
}
// Finally, you can use INSTANTIATE_TEST_SUITE_P to instantiate the test
// case with any set of parameters you want. Google Test defines a number
// of functions for generating test parameters. They return what we call
// (surprise!) parameter generators. Here is a summary of them, which
// are all in the testing namespace:
//
//
// Range(begin, end [, step]) - Yields values {begin, begin+step,
// begin+step+step, ...}. The values do not
// include end. step defaults to 1.
// Values(v1, v2, ..., vN) - Yields values {v1, v2, ..., vN}.
// ValuesIn(container) - Yields values from a C-style array, an STL
// ValuesIn(begin,end) container, or an iterator range [begin, end).
// Bool() - Yields sequence {false, true}.
// Combine(g1, g2, ..., gN) - Yields all combinations (the Cartesian product
// for the math savvy) of the values generated
// by the N generators.
//
// For more details, see comments at the definitions of these functions below
// in this file.
//
// The following statement will instantiate tests from the FooTest test suite
// each with parameter values "meeny", "miny", and "moe".
INSTANTIATE_TEST_SUITE_P(InstantiationName,
FooTest,
Values("meeny", "miny", "moe"));
// To distinguish different instances of the pattern, (yes, you
// can instantiate it more than once) the first argument to the
// INSTANTIATE_TEST_SUITE_P macro is a prefix that will be added to the
// actual test suite name. Remember to pick unique prefixes for different
// instantiations. The tests from the instantiation above will have
// these names:
//
// * InstantiationName/FooTest.DoesBlah/0 for "meeny"
// * InstantiationName/FooTest.DoesBlah/1 for "miny"
// * InstantiationName/FooTest.DoesBlah/2 for "moe"
// * InstantiationName/FooTest.HasBlahBlah/0 for "meeny"
// * InstantiationName/FooTest.HasBlahBlah/1 for "miny"
// * InstantiationName/FooTest.HasBlahBlah/2 for "moe"
//
// You can use these names in --gtest_filter.
//
// This statement will instantiate all tests from FooTest again, each
// with parameter values "cat" and "dog":
const char* pets[] = {"cat", "dog"};
INSTANTIATE_TEST_SUITE_P(AnotherInstantiationName, FooTest, ValuesIn(pets));
// The tests from the instantiation above will have these names:
//
// * AnotherInstantiationName/FooTest.DoesBlah/0 for "cat"
// * AnotherInstantiationName/FooTest.DoesBlah/1 for "dog"
// * AnotherInstantiationName/FooTest.HasBlahBlah/0 for "cat"
// * AnotherInstantiationName/FooTest.HasBlahBlah/1 for "dog"
//
// Please note that INSTANTIATE_TEST_SUITE_P will instantiate all tests
// in the given test suite, whether their definitions come before or
// AFTER the INSTANTIATE_TEST_SUITE_P statement.
//
// Please also note that generator expressions (including parameters to the
// generators) are evaluated in InitGoogleTest(), after main() has started.
// This allows the user on one hand, to adjust generator parameters in order
// to dynamically determine a set of tests to run and on the other hand,
// give the user a chance to inspect the generated tests with Google Test
// reflection API before RUN_ALL_TESTS() is executed.
//
// You can see samples/sample7_unittest.cc and samples/sample8_unittest.cc
// for more examples.
//
// In the future, we plan to publish the API for defining new parameter
// generators. But for now this interface remains part of the internal
// implementation and is subject to change.
//
//
// A parameterized test fixture must be derived from testing::Test and from
// testing::WithParamInterface<T>, where T is the type of the parameter
// values. Inheriting from TestWithParam<T> satisfies that requirement because
// TestWithParam<T> inherits from both Test and WithParamInterface. In more
// complicated hierarchies, however, it is occasionally useful to inherit
// separately from Test and WithParamInterface. For example:
class BaseTest : public ::testing::Test {
// You can inherit all the usual members for a non-parameterized test
// fixture here.
};
class DerivedTest : public BaseTest, public ::testing::WithParamInterface<int> {
// The usual test fixture members go here too.
};
TEST_F(BaseTest, HasFoo) {
// This is an ordinary non-parameterized test.
}
TEST_P(DerivedTest, DoesBlah) {
// GetParam works just the same here as if you inherit from TestWithParam.
EXPECT_TRUE(foo.Blah(GetParam()));
}
#endif // 0
#include <iterator>
#include <utility>
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-param-util.h"
#include "gtest/internal/gtest-port.h"
namespace testing {
// Functions producing parameter generators.
//
// Google Test uses these generators to produce parameters for value-
// parameterized tests. When a parameterized test suite is instantiated
// with a particular generator, Google Test creates and runs tests
// for each element in the sequence produced by the generator.
//
// In the following sample, tests from test suite FooTest are instantiated
// each three times with parameter values 3, 5, and 8:
//
// class FooTest : public TestWithParam<int> { ... };
//
// TEST_P(FooTest, TestThis) {
// }
// TEST_P(FooTest, TestThat) {
// }
// INSTANTIATE_TEST_SUITE_P(TestSequence, FooTest, Values(3, 5, 8));
//
// Range() returns generators providing sequences of values in a range.
//
// Synopsis:
// Range(start, end)
// - returns a generator producing a sequence of values {start, start+1,
// start+2, ..., }.
// Range(start, end, step)
// - returns a generator producing a sequence of values {start, start+step,
// start+step+step, ..., }.
// Notes:
// * The generated sequences never include end. For example, Range(1, 5)
// returns a generator producing a sequence {1, 2, 3, 4}. Range(1, 9, 2)
// returns a generator producing {1, 3, 5, 7}.
// * start and end must have the same type. That type may be any integral or
// floating-point type or a user defined type satisfying these conditions:
// * It must be assignable (have operator=() defined).
// * It must have operator+() (operator+(int-compatible type) for
// two-operand version).
// * It must have operator<() defined.
// Elements in the resulting sequences will also have that type.
// * Condition start < end must be satisfied in order for resulting sequences
// to contain any elements.
//
template <typename T, typename IncrementT>
internal::ParamGenerator<T> Range(T start, T end, IncrementT step) {
return internal::ParamGenerator<T>(
new internal::RangeGenerator<T, IncrementT>(start, end, step));
}
template <typename T>
internal::ParamGenerator<T> Range(T start, T end) {
return Range(start, end, 1);
}
// ValuesIn() function allows generation of tests with parameters coming from
// a container.
//
// Synopsis:
// ValuesIn(const T (&array)[N])
// - returns a generator producing sequences with elements from
// a C-style array.
// ValuesIn(const Container& container)
// - returns a generator producing sequences with elements from
// an STL-style container.
// ValuesIn(Iterator begin, Iterator end)
// - returns a generator producing sequences with elements from
// a range [begin, end) defined by a pair of STL-style iterators. These
// iterators can also be plain C pointers.
//
// Please note that ValuesIn copies the values from the containers
// passed in and keeps them to generate tests in RUN_ALL_TESTS().
//
// Examples:
//
// This instantiates tests from test suite StringTest
// each with C-string values of "foo", "bar", and "baz":
//
// const char* strings[] = {"foo", "bar", "baz"};
// INSTANTIATE_TEST_SUITE_P(StringSequence, StringTest, ValuesIn(strings));
//
// This instantiates tests from test suite StlStringTest
// each with STL strings with values "a" and "b":
//
// ::std::vector< ::std::string> GetParameterStrings() {
// ::std::vector< ::std::string> v;
// v.push_back("a");
// v.push_back("b");
// return v;
// }
//
// INSTANTIATE_TEST_SUITE_P(CharSequence,
// StlStringTest,
// ValuesIn(GetParameterStrings()));
//
//
// This will also instantiate tests from CharTest
// each with parameter values 'a' and 'b':
//
// ::std::list<char> GetParameterChars() {
// ::std::list<char> list;
// list.push_back('a');
// list.push_back('b');
// return list;
// }
// ::std::list<char> l = GetParameterChars();
// INSTANTIATE_TEST_SUITE_P(CharSequence2,
// CharTest,
// ValuesIn(l.begin(), l.end()));
//
template <typename ForwardIterator>
internal::ParamGenerator<
typename std::iterator_traits<ForwardIterator>::value_type>
ValuesIn(ForwardIterator begin, ForwardIterator end) {
typedef typename std::iterator_traits<ForwardIterator>::value_type ParamType;
return internal::ParamGenerator<ParamType>(
new internal::ValuesInIteratorRangeGenerator<ParamType>(begin, end));
}
template <typename T, size_t N>
internal::ParamGenerator<T> ValuesIn(const T (&array)[N]) {
return ValuesIn(array, array + N);
}
template <class Container>
internal::ParamGenerator<typename Container::value_type> ValuesIn(
const Container& container) {
return ValuesIn(container.begin(), container.end());
}
// Values() allows generating tests from explicitly specified list of
// parameters.
//
// Synopsis:
// Values(T v1, T v2, ..., T vN)
// - returns a generator producing sequences with elements v1, v2, ..., vN.
//
// For example, this instantiates tests from test suite BarTest each
// with values "one", "two", and "three":
//
// INSTANTIATE_TEST_SUITE_P(NumSequence,
// BarTest,
// Values("one", "two", "three"));
//
// This instantiates tests from test suite BazTest each with values 1, 2, 3.5.
// The exact type of values will depend on the type of parameter in BazTest.
//
// INSTANTIATE_TEST_SUITE_P(FloatingNumbers, BazTest, Values(1, 2, 3.5));
//
//
template <typename... T>
internal::ValueArray<T...> Values(T... v) {
return internal::ValueArray<T...>(std::move(v)...);
}
// Bool() allows generating tests with parameters in a set of (false, true).
//
// Synopsis:
// Bool()
// - returns a generator producing sequences with elements {false, true}.
//
// It is useful when testing code that depends on Boolean flags. Combinations
// of multiple flags can be tested when several Bool()'s are combined using
// Combine() function.
//
// In the following example all tests in the test suite FlagDependentTest
// will be instantiated twice with parameters false and true.
//
// class FlagDependentTest : public testing::TestWithParam<bool> {
// virtual void SetUp() {
// external_flag = GetParam();
// }
// }
// INSTANTIATE_TEST_SUITE_P(BoolSequence, FlagDependentTest, Bool());
//
inline internal::ParamGenerator<bool> Bool() {
return Values(false, true);
}
// Combine() allows the user to combine two or more sequences to produce
// values of a Cartesian product of those sequences' elements.
//
// Synopsis:
// Combine(gen1, gen2, ..., genN)
// - returns a generator producing sequences with elements coming from
// the Cartesian product of elements from the sequences generated by
// gen1, gen2, ..., genN. The sequence elements will have a type of
// std::tuple<T1, T2, ..., TN> where T1, T2, ..., TN are the types
// of elements from sequences produces by gen1, gen2, ..., genN.
//
// Combine can have up to 10 arguments.
//
// Example:
//
// This will instantiate tests in test suite AnimalTest each one with
// the parameter values tuple("cat", BLACK), tuple("cat", WHITE),
// tuple("dog", BLACK), and tuple("dog", WHITE):
//
// enum Color { BLACK, GRAY, WHITE };
// class AnimalTest
// : public testing::TestWithParam<std::tuple<const char*, Color> > {...};
//
// TEST_P(AnimalTest, AnimalLooksNice) {...}
//
// INSTANTIATE_TEST_SUITE_P(AnimalVariations, AnimalTest,
// Combine(Values("cat", "dog"),
// Values(BLACK, WHITE)));
//
// This will instantiate tests in FlagDependentTest with all variations of two
// Boolean flags:
//
// class FlagDependentTest
// : public testing::TestWithParam<std::tuple<bool, bool> > {
// virtual void SetUp() {
// // Assigns external_flag_1 and external_flag_2 values from the tuple.
// std::tie(external_flag_1, external_flag_2) = GetParam();
// }
// };
//
// TEST_P(FlagDependentTest, TestFeature1) {
// // Test your code using external_flag_1 and external_flag_2 here.
// }
// INSTANTIATE_TEST_SUITE_P(TwoBoolSequence, FlagDependentTest,
// Combine(Bool(), Bool()));
//
template <typename... Generator>
internal::CartesianProductHolder<Generator...> Combine(const Generator&... g) {
return internal::CartesianProductHolder<Generator...>(g...);
}
#define TEST_P(test_suite_name, test_name) \
class GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \
: public test_suite_name { \
public: \
GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() {} \
void TestBody() override; \
\
private: \
static int AddToRegistry() { \
::testing::UnitTest::GetInstance() \
->parameterized_test_registry() \
.GetTestSuitePatternHolder<test_suite_name>( \
GTEST_STRINGIFY_(test_suite_name), \
::testing::internal::CodeLocation(__FILE__, __LINE__)) \
->AddTestPattern( \
GTEST_STRINGIFY_(test_suite_name), GTEST_STRINGIFY_(test_name), \
new ::testing::internal::TestMetaFactory<GTEST_TEST_CLASS_NAME_( \
test_suite_name, test_name)>(), \
::testing::internal::CodeLocation(__FILE__, __LINE__)); \
return 0; \
} \
static int gtest_registering_dummy_ GTEST_ATTRIBUTE_UNUSED_; \
GTEST_DISALLOW_COPY_AND_ASSIGN_(GTEST_TEST_CLASS_NAME_(test_suite_name, \
test_name)); \
}; \
int GTEST_TEST_CLASS_NAME_(test_suite_name, \
test_name)::gtest_registering_dummy_ = \
GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::AddToRegistry(); \
void GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::TestBody()
// The last argument to INSTANTIATE_TEST_SUITE_P allows the user to specify
// generator and an optional function or functor that generates custom test name
// suffixes based on the test parameters. Such a function or functor should
// accept one argument of type testing::TestParamInfo<class ParamType>, and
// return std::string.
//
// testing::PrintToStringParamName is a builtin test suffix generator that
// returns the value of testing::PrintToString(GetParam()).
//
// Note: test names must be non-empty, unique, and may only contain ASCII
// alphanumeric characters or underscore. Because PrintToString adds quotes
// to std::string and C strings, it won't work for these types.
#define GTEST_EXPAND_(arg) arg
#define GTEST_GET_FIRST_(first, ...) first
#define GTEST_GET_SECOND_(first, second, ...) second
#define INSTANTIATE_TEST_SUITE_P(prefix, test_suite_name, ...) \
static ::testing::internal::ParamGenerator<test_suite_name::ParamType> \
gtest_##prefix##test_suite_name##_EvalGenerator_() { \
return GTEST_EXPAND_(GTEST_GET_FIRST_(__VA_ARGS__, DUMMY_PARAM_)); \
} \
static ::std::string gtest_##prefix##test_suite_name##_EvalGenerateName_( \
const ::testing::TestParamInfo<test_suite_name::ParamType>& info) { \
if (::testing::internal::AlwaysFalse()) { \
::testing::internal::TestNotEmpty(GTEST_EXPAND_(GTEST_GET_SECOND_( \
__VA_ARGS__, \
::testing::internal::DefaultParamName<test_suite_name::ParamType>, \
DUMMY_PARAM_))); \
auto t = std::make_tuple(__VA_ARGS__); \
static_assert(std::tuple_size<decltype(t)>::value <= 2, \
"Too Many Args!"); \
} \
return ((GTEST_EXPAND_(GTEST_GET_SECOND_( \
__VA_ARGS__, \
::testing::internal::DefaultParamName<test_suite_name::ParamType>, \
DUMMY_PARAM_))))(info); \
} \
static int gtest_##prefix##test_suite_name##_dummy_ \
GTEST_ATTRIBUTE_UNUSED_ = \
::testing::UnitTest::GetInstance() \
->parameterized_test_registry() \
.GetTestSuitePatternHolder<test_suite_name>( \
GTEST_STRINGIFY_(test_suite_name), \
::testing::internal::CodeLocation(__FILE__, __LINE__)) \
->AddTestSuiteInstantiation( \
GTEST_STRINGIFY_(prefix), \
&gtest_##prefix##test_suite_name##_EvalGenerator_, \
&gtest_##prefix##test_suite_name##_EvalGenerateName_, \
__FILE__, __LINE__)
// Allow Marking a Parameterized test class as not needing to be instantiated.
#define GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(T) \
namespace gtest_do_not_use_outside_namespace_scope {} \
static const ::testing::internal::MarkAsIgnored gtest_allow_ignore_##T( \
GTEST_STRINGIFY_(T))
// Legacy API is deprecated but still available
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#define INSTANTIATE_TEST_CASE_P \
static_assert(::testing::internal::InstantiateTestCase_P_IsDeprecated(), \
""); \
INSTANTIATE_TEST_SUITE_P
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
} // namespace testing
#endif // GTEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_

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// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Google Test - The Google C++ Testing and Mocking Framework
//
// This file implements a universal value printer that can print a
// value of any type T:
//
// void ::testing::internal::UniversalPrinter<T>::Print(value, ostream_ptr);
//
// A user can teach this function how to print a class type T by
// defining either operator<<() or PrintTo() in the namespace that
// defines T. More specifically, the FIRST defined function in the
// following list will be used (assuming T is defined in namespace
// foo):
//
// 1. foo::PrintTo(const T&, ostream*)
// 2. operator<<(ostream&, const T&) defined in either foo or the
// global namespace.
//
// However if T is an STL-style container then it is printed element-wise
// unless foo::PrintTo(const T&, ostream*) is defined. Note that
// operator<<() is ignored for container types.
//
// If none of the above is defined, it will print the debug string of
// the value if it is a protocol buffer, or print the raw bytes in the
// value otherwise.
//
// To aid debugging: when T is a reference type, the address of the
// value is also printed; when T is a (const) char pointer, both the
// pointer value and the NUL-terminated string it points to are
// printed.
//
// We also provide some convenient wrappers:
//
// // Prints a value to a string. For a (const or not) char
// // pointer, the NUL-terminated string (but not the pointer) is
// // printed.
// std::string ::testing::PrintToString(const T& value);
//
// // Prints a value tersely: for a reference type, the referenced
// // value (but not the address) is printed; for a (const or not) char
// // pointer, the NUL-terminated string (but not the pointer) is
// // printed.
// void ::testing::internal::UniversalTersePrint(const T& value, ostream*);
//
// // Prints value using the type inferred by the compiler. The difference
// // from UniversalTersePrint() is that this function prints both the
// // pointer and the NUL-terminated string for a (const or not) char pointer.
// void ::testing::internal::UniversalPrint(const T& value, ostream*);
//
// // Prints the fields of a tuple tersely to a string vector, one
// // element for each field. Tuple support must be enabled in
// // gtest-port.h.
// std::vector<string> UniversalTersePrintTupleFieldsToStrings(
// const Tuple& value);
//
// Known limitation:
//
// The print primitives print the elements of an STL-style container
// using the compiler-inferred type of *iter where iter is a
// const_iterator of the container. When const_iterator is an input
// iterator but not a forward iterator, this inferred type may not
// match value_type, and the print output may be incorrect. In
// practice, this is rarely a problem as for most containers
// const_iterator is a forward iterator. We'll fix this if there's an
// actual need for it. Note that this fix cannot rely on value_type
// being defined as many user-defined container types don't have
// value_type.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
#define GTEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
#include <functional>
#include <ostream> // NOLINT
#include <sstream>
#include <string>
#include <tuple>
#include <type_traits>
#include <utility>
#include <vector>
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-port.h"
namespace testing {
// Definitions in the internal* namespaces are subject to change without notice.
// DO NOT USE THEM IN USER CODE!
namespace internal {
template <typename T>
void UniversalPrint(const T& value, ::std::ostream* os);
// Used to print an STL-style container when the user doesn't define
// a PrintTo() for it.
struct ContainerPrinter {
template <typename T,
typename = typename std::enable_if<
(sizeof(IsContainerTest<T>(0)) == sizeof(IsContainer)) &&
!IsRecursiveContainer<T>::value>::type>
static void PrintValue(const T& container, std::ostream* os) {
const size_t kMaxCount = 32; // The maximum number of elements to print.
*os << '{';
size_t count = 0;
for (auto&& elem : container) {
if (count > 0) {
*os << ',';
if (count == kMaxCount) { // Enough has been printed.
*os << " ...";
break;
}
}
*os << ' ';
// We cannot call PrintTo(elem, os) here as PrintTo() doesn't
// handle `elem` being a native array.
internal::UniversalPrint(elem, os);
++count;
}
if (count > 0) {
*os << ' ';
}
*os << '}';
}
};
// Used to print a pointer that is neither a char pointer nor a member
// pointer, when the user doesn't define PrintTo() for it. (A member
// variable pointer or member function pointer doesn't really point to
// a location in the address space. Their representation is
// implementation-defined. Therefore they will be printed as raw
// bytes.)
struct FunctionPointerPrinter {
template <typename T, typename = typename std::enable_if<
std::is_function<T>::value>::type>
static void PrintValue(T* p, ::std::ostream* os) {
if (p == nullptr) {
*os << "NULL";
} else {
// T is a function type, so '*os << p' doesn't do what we want
// (it just prints p as bool). We want to print p as a const
// void*.
*os << reinterpret_cast<const void*>(p);
}
}
};
struct PointerPrinter {
template <typename T>
static void PrintValue(T* p, ::std::ostream* os) {
if (p == nullptr) {
*os << "NULL";
} else {
// T is not a function type. We just call << to print p,
// relying on ADL to pick up user-defined << for their pointer
// types, if any.
*os << p;
}
}
};
namespace internal_stream_operator_without_lexical_name_lookup {
// The presence of an operator<< here will terminate lexical scope lookup
// straight away (even though it cannot be a match because of its argument
// types). Thus, the two operator<< calls in StreamPrinter will find only ADL
// candidates.
struct LookupBlocker {};
void operator<<(LookupBlocker, LookupBlocker);
struct StreamPrinter {
template <typename T,
// Don't accept member pointers here. We'd print them via implicit
// conversion to bool, which isn't useful.
typename = typename std::enable_if<
!std::is_member_pointer<T>::value>::type,
// Only accept types for which we can find a streaming operator via
// ADL (possibly involving implicit conversions).
typename = decltype(std::declval<std::ostream&>()
<< std::declval<const T&>())>
static void PrintValue(const T& value, ::std::ostream* os) {
// Call streaming operator found by ADL, possibly with implicit conversions
// of the arguments.
*os << value;
}
};
} // namespace internal_stream_operator_without_lexical_name_lookup
struct ProtobufPrinter {
// We print a protobuf using its ShortDebugString() when the string
// doesn't exceed this many characters; otherwise we print it using
// DebugString() for better readability.
static const size_t kProtobufOneLinerMaxLength = 50;
template <typename T,
typename = typename std::enable_if<
internal::HasDebugStringAndShortDebugString<T>::value>::type>
static void PrintValue(const T& value, ::std::ostream* os) {
std::string pretty_str = value.ShortDebugString();
if (pretty_str.length() > kProtobufOneLinerMaxLength) {
pretty_str = "\n" + value.DebugString();
}
*os << ("<" + pretty_str + ">");
}
};
struct ConvertibleToIntegerPrinter {
// Since T has no << operator or PrintTo() but can be implicitly
// converted to BiggestInt, we print it as a BiggestInt.
//
// Most likely T is an enum type (either named or unnamed), in which
// case printing it as an integer is the desired behavior. In case
// T is not an enum, printing it as an integer is the best we can do
// given that it has no user-defined printer.
static void PrintValue(internal::BiggestInt value, ::std::ostream* os) {
*os << value;
}
};
struct ConvertibleToStringViewPrinter {
#if GTEST_INTERNAL_HAS_STRING_VIEW
static void PrintValue(internal::StringView value, ::std::ostream* os) {
internal::UniversalPrint(value, os);
}
#endif
};
// Prints the given number of bytes in the given object to the given
// ostream.
GTEST_API_ void PrintBytesInObjectTo(const unsigned char* obj_bytes,
size_t count,
::std::ostream* os);
struct FallbackPrinter {
template <typename T>
static void PrintValue(const T& value, ::std::ostream* os) {
PrintBytesInObjectTo(
static_cast<const unsigned char*>(
reinterpret_cast<const void*>(std::addressof(value))),
sizeof(value), os);
}
};
// Try every printer in order and return the first one that works.
template <typename T, typename E, typename Printer, typename... Printers>
struct FindFirstPrinter : FindFirstPrinter<T, E, Printers...> {};
template <typename T, typename Printer, typename... Printers>
struct FindFirstPrinter<
T, decltype(Printer::PrintValue(std::declval<const T&>(), nullptr)),
Printer, Printers...> {
using type = Printer;
};
// Select the best printer in the following order:
// - Print containers (they have begin/end/etc).
// - Print function pointers.
// - Print object pointers.
// - Use the stream operator, if available.
// - Print protocol buffers.
// - Print types convertible to BiggestInt.
// - Print types convertible to StringView, if available.
// - Fallback to printing the raw bytes of the object.
template <typename T>
void PrintWithFallback(const T& value, ::std::ostream* os) {
using Printer = typename FindFirstPrinter<
T, void, ContainerPrinter, FunctionPointerPrinter, PointerPrinter,
internal_stream_operator_without_lexical_name_lookup::StreamPrinter,
ProtobufPrinter, ConvertibleToIntegerPrinter,
ConvertibleToStringViewPrinter, FallbackPrinter>::type;
Printer::PrintValue(value, os);
}
// FormatForComparison<ToPrint, OtherOperand>::Format(value) formats a
// value of type ToPrint that is an operand of a comparison assertion
// (e.g. ASSERT_EQ). OtherOperand is the type of the other operand in
// the comparison, and is used to help determine the best way to
// format the value. In particular, when the value is a C string
// (char pointer) and the other operand is an STL string object, we
// want to format the C string as a string, since we know it is
// compared by value with the string object. If the value is a char
// pointer but the other operand is not an STL string object, we don't
// know whether the pointer is supposed to point to a NUL-terminated
// string, and thus want to print it as a pointer to be safe.
//
// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
// The default case.
template <typename ToPrint, typename OtherOperand>
class FormatForComparison {
public:
static ::std::string Format(const ToPrint& value) {
return ::testing::PrintToString(value);
}
};
// Array.
template <typename ToPrint, size_t N, typename OtherOperand>
class FormatForComparison<ToPrint[N], OtherOperand> {
public:
static ::std::string Format(const ToPrint* value) {
return FormatForComparison<const ToPrint*, OtherOperand>::Format(value);
}
};
// By default, print C string as pointers to be safe, as we don't know
// whether they actually point to a NUL-terminated string.
#define GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(CharType) \
template <typename OtherOperand> \
class FormatForComparison<CharType*, OtherOperand> { \
public: \
static ::std::string Format(CharType* value) { \
return ::testing::PrintToString(static_cast<const void*>(value)); \
} \
}
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char);
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char);
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(wchar_t);
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const wchar_t);
#ifdef __cpp_char8_t
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char8_t);
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char8_t);
#endif
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char16_t);
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char16_t);
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char32_t);
GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char32_t);
#undef GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_
// If a C string is compared with an STL string object, we know it's meant
// to point to a NUL-terminated string, and thus can print it as a string.
#define GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(CharType, OtherStringType) \
template <> \
class FormatForComparison<CharType*, OtherStringType> { \
public: \
static ::std::string Format(CharType* value) { \
return ::testing::PrintToString(value); \
} \
}
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char, ::std::string);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char, ::std::string);
#ifdef __cpp_char8_t
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char8_t, ::std::u8string);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char8_t, ::std::u8string);
#endif
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char16_t, ::std::u16string);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char16_t, ::std::u16string);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char32_t, ::std::u32string);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char32_t, ::std::u32string);
#if GTEST_HAS_STD_WSTRING
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(wchar_t, ::std::wstring);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const wchar_t, ::std::wstring);
#endif
#undef GTEST_IMPL_FORMAT_C_STRING_AS_STRING_
// Formats a comparison assertion (e.g. ASSERT_EQ, EXPECT_LT, and etc)
// operand to be used in a failure message. The type (but not value)
// of the other operand may affect the format. This allows us to
// print a char* as a raw pointer when it is compared against another
// char* or void*, and print it as a C string when it is compared
// against an std::string object, for example.
//
// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
template <typename T1, typename T2>
std::string FormatForComparisonFailureMessage(
const T1& value, const T2& /* other_operand */) {
return FormatForComparison<T1, T2>::Format(value);
}
// UniversalPrinter<T>::Print(value, ostream_ptr) prints the given
// value to the given ostream. The caller must ensure that
// 'ostream_ptr' is not NULL, or the behavior is undefined.
//
// We define UniversalPrinter as a class template (as opposed to a
// function template), as we need to partially specialize it for
// reference types, which cannot be done with function templates.
template <typename T>
class UniversalPrinter;
// Prints the given value using the << operator if it has one;
// otherwise prints the bytes in it. This is what
// UniversalPrinter<T>::Print() does when PrintTo() is not specialized
// or overloaded for type T.
//
// A user can override this behavior for a class type Foo by defining
// an overload of PrintTo() in the namespace where Foo is defined. We
// give the user this option as sometimes defining a << operator for
// Foo is not desirable (e.g. the coding style may prevent doing it,
// or there is already a << operator but it doesn't do what the user
// wants).
template <typename T>
void PrintTo(const T& value, ::std::ostream* os) {
internal::PrintWithFallback(value, os);
}
// The following list of PrintTo() overloads tells
// UniversalPrinter<T>::Print() how to print standard types (built-in
// types, strings, plain arrays, and pointers).
// Overloads for various char types.
GTEST_API_ void PrintTo(unsigned char c, ::std::ostream* os);
GTEST_API_ void PrintTo(signed char c, ::std::ostream* os);
inline void PrintTo(char c, ::std::ostream* os) {
// When printing a plain char, we always treat it as unsigned. This
// way, the output won't be affected by whether the compiler thinks
// char is signed or not.
PrintTo(static_cast<unsigned char>(c), os);
}
// Overloads for other simple built-in types.
inline void PrintTo(bool x, ::std::ostream* os) {
*os << (x ? "true" : "false");
}
// Overload for wchar_t type.
// Prints a wchar_t as a symbol if it is printable or as its internal
// code otherwise and also as its decimal code (except for L'\0').
// The L'\0' char is printed as "L'\\0'". The decimal code is printed
// as signed integer when wchar_t is implemented by the compiler
// as a signed type and is printed as an unsigned integer when wchar_t
// is implemented as an unsigned type.
GTEST_API_ void PrintTo(wchar_t wc, ::std::ostream* os);
GTEST_API_ void PrintTo(char32_t c, ::std::ostream* os);
inline void PrintTo(char16_t c, ::std::ostream* os) {
PrintTo(ImplicitCast_<char32_t>(c), os);
}
#ifdef __cpp_char8_t
inline void PrintTo(char8_t c, ::std::ostream* os) {
PrintTo(ImplicitCast_<char32_t>(c), os);
}
#endif
// Overloads for C strings.
GTEST_API_ void PrintTo(const char* s, ::std::ostream* os);
inline void PrintTo(char* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const char*>(s), os);
}
// signed/unsigned char is often used for representing binary data, so
// we print pointers to it as void* to be safe.
inline void PrintTo(const signed char* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
inline void PrintTo(signed char* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
inline void PrintTo(const unsigned char* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
inline void PrintTo(unsigned char* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
#ifdef __cpp_char8_t
inline void PrintTo(const char8_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
inline void PrintTo(char8_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
#endif
inline void PrintTo(const char16_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
inline void PrintTo(char16_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
inline void PrintTo(const char32_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
inline void PrintTo(char32_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const void*>(s), os);
}
// MSVC can be configured to define wchar_t as a typedef of unsigned
// short. It defines _NATIVE_WCHAR_T_DEFINED when wchar_t is a native
// type. When wchar_t is a typedef, defining an overload for const
// wchar_t* would cause unsigned short* be printed as a wide string,
// possibly causing invalid memory accesses.
#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED)
// Overloads for wide C strings
GTEST_API_ void PrintTo(const wchar_t* s, ::std::ostream* os);
inline void PrintTo(wchar_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const wchar_t*>(s), os);
}
#endif
// Overload for C arrays. Multi-dimensional arrays are printed
// properly.
// Prints the given number of elements in an array, without printing
// the curly braces.
template <typename T>
void PrintRawArrayTo(const T a[], size_t count, ::std::ostream* os) {
UniversalPrint(a[0], os);
for (size_t i = 1; i != count; i++) {
*os << ", ";
UniversalPrint(a[i], os);
}
}
// Overloads for ::std::string.
GTEST_API_ void PrintStringTo(const ::std::string&s, ::std::ostream* os);
inline void PrintTo(const ::std::string& s, ::std::ostream* os) {
PrintStringTo(s, os);
}
// Overloads for ::std::wstring.
#if GTEST_HAS_STD_WSTRING
GTEST_API_ void PrintWideStringTo(const ::std::wstring&s, ::std::ostream* os);
inline void PrintTo(const ::std::wstring& s, ::std::ostream* os) {
PrintWideStringTo(s, os);
}
#endif // GTEST_HAS_STD_WSTRING
#if GTEST_INTERNAL_HAS_STRING_VIEW
// Overload for internal::StringView.
inline void PrintTo(internal::StringView sp, ::std::ostream* os) {
PrintTo(::std::string(sp), os);
}
#endif // GTEST_INTERNAL_HAS_STRING_VIEW
inline void PrintTo(std::nullptr_t, ::std::ostream* os) { *os << "(nullptr)"; }
template <typename T>
void PrintTo(std::reference_wrapper<T> ref, ::std::ostream* os) {
UniversalPrinter<T&>::Print(ref.get(), os);
}
// Helper function for printing a tuple. T must be instantiated with
// a tuple type.
template <typename T>
void PrintTupleTo(const T&, std::integral_constant<size_t, 0>,
::std::ostream*) {}
template <typename T, size_t I>
void PrintTupleTo(const T& t, std::integral_constant<size_t, I>,
::std::ostream* os) {
PrintTupleTo(t, std::integral_constant<size_t, I - 1>(), os);
GTEST_INTENTIONAL_CONST_COND_PUSH_()
if (I > 1) {
GTEST_INTENTIONAL_CONST_COND_POP_()
*os << ", ";
}
UniversalPrinter<typename std::tuple_element<I - 1, T>::type>::Print(
std::get<I - 1>(t), os);
}
template <typename... Types>
void PrintTo(const ::std::tuple<Types...>& t, ::std::ostream* os) {
*os << "(";
PrintTupleTo(t, std::integral_constant<size_t, sizeof...(Types)>(), os);
*os << ")";
}
// Overload for std::pair.
template <typename T1, typename T2>
void PrintTo(const ::std::pair<T1, T2>& value, ::std::ostream* os) {
*os << '(';
// We cannot use UniversalPrint(value.first, os) here, as T1 may be
// a reference type. The same for printing value.second.
UniversalPrinter<T1>::Print(value.first, os);
*os << ", ";
UniversalPrinter<T2>::Print(value.second, os);
*os << ')';
}
// Implements printing a non-reference type T by letting the compiler
// pick the right overload of PrintTo() for T.
template <typename T>
class UniversalPrinter {
public:
// MSVC warns about adding const to a function type, so we want to
// disable the warning.
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4180)
// Note: we deliberately don't call this PrintTo(), as that name
// conflicts with ::testing::internal::PrintTo in the body of the
// function.
static void Print(const T& value, ::std::ostream* os) {
// By default, ::testing::internal::PrintTo() is used for printing
// the value.
//
// Thanks to Koenig look-up, if T is a class and has its own
// PrintTo() function defined in its namespace, that function will
// be visible here. Since it is more specific than the generic ones
// in ::testing::internal, it will be picked by the compiler in the
// following statement - exactly what we want.
PrintTo(value, os);
}
GTEST_DISABLE_MSC_WARNINGS_POP_()
};
#if GTEST_INTERNAL_HAS_ANY
// Printer for std::any / absl::any
template <>
class UniversalPrinter<Any> {
public:
static void Print(const Any& value, ::std::ostream* os) {
if (value.has_value()) {
*os << "value of type " << GetTypeName(value);
} else {
*os << "no value";
}
}
private:
static std::string GetTypeName(const Any& value) {
#if GTEST_HAS_RTTI
return internal::GetTypeName(value.type());
#else
static_cast<void>(value); // possibly unused
return "<unknown_type>";
#endif // GTEST_HAS_RTTI
}
};
#endif // GTEST_INTERNAL_HAS_ANY
#if GTEST_INTERNAL_HAS_OPTIONAL
// Printer for std::optional / absl::optional
template <typename T>
class UniversalPrinter<Optional<T>> {
public:
static void Print(const Optional<T>& value, ::std::ostream* os) {
*os << '(';
if (!value) {
*os << "nullopt";
} else {
UniversalPrint(*value, os);
}
*os << ')';
}
};
#endif // GTEST_INTERNAL_HAS_OPTIONAL
#if GTEST_INTERNAL_HAS_VARIANT
// Printer for std::variant / absl::variant
template <typename... T>
class UniversalPrinter<Variant<T...>> {
public:
static void Print(const Variant<T...>& value, ::std::ostream* os) {
*os << '(';
#if GTEST_HAS_ABSL
absl::visit(Visitor{os, value.index()}, value);
#else
std::visit(Visitor{os, value.index()}, value);
#endif // GTEST_HAS_ABSL
*os << ')';
}
private:
struct Visitor {
template <typename U>
void operator()(const U& u) const {
*os << "'" << GetTypeName<U>() << "(index = " << index
<< ")' with value ";
UniversalPrint(u, os);
}
::std::ostream* os;
std::size_t index;
};
};
#endif // GTEST_INTERNAL_HAS_VARIANT
// UniversalPrintArray(begin, len, os) prints an array of 'len'
// elements, starting at address 'begin'.
template <typename T>
void UniversalPrintArray(const T* begin, size_t len, ::std::ostream* os) {
if (len == 0) {
*os << "{}";
} else {
*os << "{ ";
const size_t kThreshold = 18;
const size_t kChunkSize = 8;
// If the array has more than kThreshold elements, we'll have to
// omit some details by printing only the first and the last
// kChunkSize elements.
if (len <= kThreshold) {
PrintRawArrayTo(begin, len, os);
} else {
PrintRawArrayTo(begin, kChunkSize, os);
*os << ", ..., ";
PrintRawArrayTo(begin + len - kChunkSize, kChunkSize, os);
}
*os << " }";
}
}
// This overload prints a (const) char array compactly.
GTEST_API_ void UniversalPrintArray(
const char* begin, size_t len, ::std::ostream* os);
// This overload prints a (const) wchar_t array compactly.
GTEST_API_ void UniversalPrintArray(
const wchar_t* begin, size_t len, ::std::ostream* os);
// Implements printing an array type T[N].
template <typename T, size_t N>
class UniversalPrinter<T[N]> {
public:
// Prints the given array, omitting some elements when there are too
// many.
static void Print(const T (&a)[N], ::std::ostream* os) {
UniversalPrintArray(a, N, os);
}
};
// Implements printing a reference type T&.
template <typename T>
class UniversalPrinter<T&> {
public:
// MSVC warns about adding const to a function type, so we want to
// disable the warning.
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4180)
static void Print(const T& value, ::std::ostream* os) {
// Prints the address of the value. We use reinterpret_cast here
// as static_cast doesn't compile when T is a function type.
*os << "@" << reinterpret_cast<const void*>(&value) << " ";
// Then prints the value itself.
UniversalPrint(value, os);
}
GTEST_DISABLE_MSC_WARNINGS_POP_()
};
// Prints a value tersely: for a reference type, the referenced value
// (but not the address) is printed; for a (const) char pointer, the
// NUL-terminated string (but not the pointer) is printed.
template <typename T>
class UniversalTersePrinter {
public:
static void Print(const T& value, ::std::ostream* os) {
UniversalPrint(value, os);
}
};
template <typename T>
class UniversalTersePrinter<T&> {
public:
static void Print(const T& value, ::std::ostream* os) {
UniversalPrint(value, os);
}
};
template <typename T, size_t N>
class UniversalTersePrinter<T[N]> {
public:
static void Print(const T (&value)[N], ::std::ostream* os) {
UniversalPrinter<T[N]>::Print(value, os);
}
};
template <>
class UniversalTersePrinter<const char*> {
public:
static void Print(const char* str, ::std::ostream* os) {
if (str == nullptr) {
*os << "NULL";
} else {
UniversalPrint(std::string(str), os);
}
}
};
template <>
class UniversalTersePrinter<char*> {
public:
static void Print(char* str, ::std::ostream* os) {
UniversalTersePrinter<const char*>::Print(str, os);
}
};
#if GTEST_HAS_STD_WSTRING
template <>
class UniversalTersePrinter<const wchar_t*> {
public:
static void Print(const wchar_t* str, ::std::ostream* os) {
if (str == nullptr) {
*os << "NULL";
} else {
UniversalPrint(::std::wstring(str), os);
}
}
};
#endif
template <>
class UniversalTersePrinter<wchar_t*> {
public:
static void Print(wchar_t* str, ::std::ostream* os) {
UniversalTersePrinter<const wchar_t*>::Print(str, os);
}
};
template <typename T>
void UniversalTersePrint(const T& value, ::std::ostream* os) {
UniversalTersePrinter<T>::Print(value, os);
}
// Prints a value using the type inferred by the compiler. The
// difference between this and UniversalTersePrint() is that for a
// (const) char pointer, this prints both the pointer and the
// NUL-terminated string.
template <typename T>
void UniversalPrint(const T& value, ::std::ostream* os) {
// A workarond for the bug in VC++ 7.1 that prevents us from instantiating
// UniversalPrinter with T directly.
typedef T T1;
UniversalPrinter<T1>::Print(value, os);
}
typedef ::std::vector< ::std::string> Strings;
// Tersely prints the first N fields of a tuple to a string vector,
// one element for each field.
template <typename Tuple>
void TersePrintPrefixToStrings(const Tuple&, std::integral_constant<size_t, 0>,
Strings*) {}
template <typename Tuple, size_t I>
void TersePrintPrefixToStrings(const Tuple& t,
std::integral_constant<size_t, I>,
Strings* strings) {
TersePrintPrefixToStrings(t, std::integral_constant<size_t, I - 1>(),
strings);
::std::stringstream ss;
UniversalTersePrint(std::get<I - 1>(t), &ss);
strings->push_back(ss.str());
}
// Prints the fields of a tuple tersely to a string vector, one
// element for each field. See the comment before
// UniversalTersePrint() for how we define "tersely".
template <typename Tuple>
Strings UniversalTersePrintTupleFieldsToStrings(const Tuple& value) {
Strings result;
TersePrintPrefixToStrings(
value, std::integral_constant<size_t, std::tuple_size<Tuple>::value>(),
&result);
return result;
}
} // namespace internal
template <typename T>
::std::string PrintToString(const T& value) {
::std::stringstream ss;
internal::UniversalTersePrinter<T>::Print(value, &ss);
return ss.str();
}
} // namespace testing
// Include any custom printer added by the local installation.
// We must include this header at the end to make sure it can use the
// declarations from this file.
#include "gtest/internal/custom/gtest-printers.h"
#endif // GTEST_INCLUDE_GTEST_GTEST_PRINTERS_H_

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// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Utilities for testing Google Test itself and code that uses Google Test
// (e.g. frameworks built on top of Google Test).
// GOOGLETEST_CM0004 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_SPI_H_
#define GTEST_INCLUDE_GTEST_GTEST_SPI_H_
#include "gtest/gtest.h"
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
/* class A needs to have dll-interface to be used by clients of class B */)
namespace testing {
// This helper class can be used to mock out Google Test failure reporting
// so that we can test Google Test or code that builds on Google Test.
//
// An object of this class appends a TestPartResult object to the
// TestPartResultArray object given in the constructor whenever a Google Test
// failure is reported. It can either intercept only failures that are
// generated in the same thread that created this object or it can intercept
// all generated failures. The scope of this mock object can be controlled with
// the second argument to the two arguments constructor.
class GTEST_API_ ScopedFakeTestPartResultReporter
: public TestPartResultReporterInterface {
public:
// The two possible mocking modes of this object.
enum InterceptMode {
INTERCEPT_ONLY_CURRENT_THREAD, // Intercepts only thread local failures.
INTERCEPT_ALL_THREADS // Intercepts all failures.
};
// The c'tor sets this object as the test part result reporter used
// by Google Test. The 'result' parameter specifies where to report the
// results. This reporter will only catch failures generated in the current
// thread. DEPRECATED
explicit ScopedFakeTestPartResultReporter(TestPartResultArray* result);
// Same as above, but you can choose the interception scope of this object.
ScopedFakeTestPartResultReporter(InterceptMode intercept_mode,
TestPartResultArray* result);
// The d'tor restores the previous test part result reporter.
~ScopedFakeTestPartResultReporter() override;
// Appends the TestPartResult object to the TestPartResultArray
// received in the constructor.
//
// This method is from the TestPartResultReporterInterface
// interface.
void ReportTestPartResult(const TestPartResult& result) override;
private:
void Init();
const InterceptMode intercept_mode_;
TestPartResultReporterInterface* old_reporter_;
TestPartResultArray* const result_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedFakeTestPartResultReporter);
};
namespace internal {
// A helper class for implementing EXPECT_FATAL_FAILURE() and
// EXPECT_NONFATAL_FAILURE(). Its destructor verifies that the given
// TestPartResultArray contains exactly one failure that has the given
// type and contains the given substring. If that's not the case, a
// non-fatal failure will be generated.
class GTEST_API_ SingleFailureChecker {
public:
// The constructor remembers the arguments.
SingleFailureChecker(const TestPartResultArray* results,
TestPartResult::Type type, const std::string& substr);
~SingleFailureChecker();
private:
const TestPartResultArray* const results_;
const TestPartResult::Type type_;
const std::string substr_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(SingleFailureChecker);
};
} // namespace internal
} // namespace testing
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
// A set of macros for testing Google Test assertions or code that's expected
// to generate Google Test fatal failures. It verifies that the given
// statement will cause exactly one fatal Google Test failure with 'substr'
// being part of the failure message.
//
// There are two different versions of this macro. EXPECT_FATAL_FAILURE only
// affects and considers failures generated in the current thread and
// EXPECT_FATAL_FAILURE_ON_ALL_THREADS does the same but for all threads.
//
// The verification of the assertion is done correctly even when the statement
// throws an exception or aborts the current function.
//
// Known restrictions:
// - 'statement' cannot reference local non-static variables or
// non-static members of the current object.
// - 'statement' cannot return a value.
// - You cannot stream a failure message to this macro.
//
// Note that even though the implementations of the following two
// macros are much alike, we cannot refactor them to use a common
// helper macro, due to some peculiarity in how the preprocessor
// works. The AcceptsMacroThatExpandsToUnprotectedComma test in
// gtest_unittest.cc will fail to compile if we do that.
#define EXPECT_FATAL_FAILURE(statement, substr) \
do { \
class GTestExpectFatalFailureHelper {\
public:\
static void Execute() { statement; }\
};\
::testing::TestPartResultArray gtest_failures;\
::testing::internal::SingleFailureChecker gtest_checker(\
&gtest_failures, ::testing::TestPartResult::kFatalFailure, (substr));\
{\
::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
::testing::ScopedFakeTestPartResultReporter:: \
INTERCEPT_ONLY_CURRENT_THREAD, &gtest_failures);\
GTestExpectFatalFailureHelper::Execute();\
}\
} while (::testing::internal::AlwaysFalse())
#define EXPECT_FATAL_FAILURE_ON_ALL_THREADS(statement, substr) \
do { \
class GTestExpectFatalFailureHelper {\
public:\
static void Execute() { statement; }\
};\
::testing::TestPartResultArray gtest_failures;\
::testing::internal::SingleFailureChecker gtest_checker(\
&gtest_failures, ::testing::TestPartResult::kFatalFailure, (substr));\
{\
::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
::testing::ScopedFakeTestPartResultReporter:: \
INTERCEPT_ALL_THREADS, &gtest_failures);\
GTestExpectFatalFailureHelper::Execute();\
}\
} while (::testing::internal::AlwaysFalse())
// A macro for testing Google Test assertions or code that's expected to
// generate Google Test non-fatal failures. It asserts that the given
// statement will cause exactly one non-fatal Google Test failure with 'substr'
// being part of the failure message.
//
// There are two different versions of this macro. EXPECT_NONFATAL_FAILURE only
// affects and considers failures generated in the current thread and
// EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS does the same but for all threads.
//
// 'statement' is allowed to reference local variables and members of
// the current object.
//
// The verification of the assertion is done correctly even when the statement
// throws an exception or aborts the current function.
//
// Known restrictions:
// - You cannot stream a failure message to this macro.
//
// Note that even though the implementations of the following two
// macros are much alike, we cannot refactor them to use a common
// helper macro, due to some peculiarity in how the preprocessor
// works. If we do that, the code won't compile when the user gives
// EXPECT_NONFATAL_FAILURE() a statement that contains a macro that
// expands to code containing an unprotected comma. The
// AcceptsMacroThatExpandsToUnprotectedComma test in gtest_unittest.cc
// catches that.
//
// For the same reason, we have to write
// if (::testing::internal::AlwaysTrue()) { statement; }
// instead of
// GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement)
// to avoid an MSVC warning on unreachable code.
#define EXPECT_NONFATAL_FAILURE(statement, substr) \
do {\
::testing::TestPartResultArray gtest_failures;\
::testing::internal::SingleFailureChecker gtest_checker(\
&gtest_failures, ::testing::TestPartResult::kNonFatalFailure, \
(substr));\
{\
::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
::testing::ScopedFakeTestPartResultReporter:: \
INTERCEPT_ONLY_CURRENT_THREAD, &gtest_failures);\
if (::testing::internal::AlwaysTrue()) { statement; }\
}\
} while (::testing::internal::AlwaysFalse())
#define EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(statement, substr) \
do {\
::testing::TestPartResultArray gtest_failures;\
::testing::internal::SingleFailureChecker gtest_checker(\
&gtest_failures, ::testing::TestPartResult::kNonFatalFailure, \
(substr));\
{\
::testing::ScopedFakeTestPartResultReporter gtest_reporter(\
::testing::ScopedFakeTestPartResultReporter::INTERCEPT_ALL_THREADS, \
&gtest_failures);\
if (::testing::internal::AlwaysTrue()) { statement; }\
}\
} while (::testing::internal::AlwaysFalse())
#endif // GTEST_INCLUDE_GTEST_GTEST_SPI_H_

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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
#define GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_
#include <iosfwd>
#include <vector>
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-string.h"
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
/* class A needs to have dll-interface to be used by clients of class B */)
namespace testing {
// A copyable object representing the result of a test part (i.e. an
// assertion or an explicit FAIL(), ADD_FAILURE(), or SUCCESS()).
//
// Don't inherit from TestPartResult as its destructor is not virtual.
class GTEST_API_ TestPartResult {
public:
// The possible outcomes of a test part (i.e. an assertion or an
// explicit SUCCEED(), FAIL(), or ADD_FAILURE()).
enum Type {
kSuccess, // Succeeded.
kNonFatalFailure, // Failed but the test can continue.
kFatalFailure, // Failed and the test should be terminated.
kSkip // Skipped.
};
// C'tor. TestPartResult does NOT have a default constructor.
// Always use this constructor (with parameters) to create a
// TestPartResult object.
TestPartResult(Type a_type, const char* a_file_name, int a_line_number,
const char* a_message)
: type_(a_type),
file_name_(a_file_name == nullptr ? "" : a_file_name),
line_number_(a_line_number),
summary_(ExtractSummary(a_message)),
message_(a_message) {}
// Gets the outcome of the test part.
Type type() const { return type_; }
// Gets the name of the source file where the test part took place, or
// NULL if it's unknown.
const char* file_name() const {
return file_name_.empty() ? nullptr : file_name_.c_str();
}
// Gets the line in the source file where the test part took place,
// or -1 if it's unknown.
int line_number() const { return line_number_; }
// Gets the summary of the failure message.
const char* summary() const { return summary_.c_str(); }
// Gets the message associated with the test part.
const char* message() const { return message_.c_str(); }
// Returns true if and only if the test part was skipped.
bool skipped() const { return type_ == kSkip; }
// Returns true if and only if the test part passed.
bool passed() const { return type_ == kSuccess; }
// Returns true if and only if the test part non-fatally failed.
bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
// Returns true if and only if the test part fatally failed.
bool fatally_failed() const { return type_ == kFatalFailure; }
// Returns true if and only if the test part failed.
bool failed() const { return fatally_failed() || nonfatally_failed(); }
private:
Type type_;
// Gets the summary of the failure message by omitting the stack
// trace in it.
static std::string ExtractSummary(const char* message);
// The name of the source file where the test part took place, or
// "" if the source file is unknown.
std::string file_name_;
// The line in the source file where the test part took place, or -1
// if the line number is unknown.
int line_number_;
std::string summary_; // The test failure summary.
std::string message_; // The test failure message.
};
// Prints a TestPartResult object.
std::ostream& operator<<(std::ostream& os, const TestPartResult& result);
// An array of TestPartResult objects.
//
// Don't inherit from TestPartResultArray as its destructor is not
// virtual.
class GTEST_API_ TestPartResultArray {
public:
TestPartResultArray() {}
// Appends the given TestPartResult to the array.
void Append(const TestPartResult& result);
// Returns the TestPartResult at the given index (0-based).
const TestPartResult& GetTestPartResult(int index) const;
// Returns the number of TestPartResult objects in the array.
int size() const;
private:
std::vector<TestPartResult> array_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(TestPartResultArray);
};
// This interface knows how to report a test part result.
class GTEST_API_ TestPartResultReporterInterface {
public:
virtual ~TestPartResultReporterInterface() {}
virtual void ReportTestPartResult(const TestPartResult& result) = 0;
};
namespace internal {
// This helper class is used by {ASSERT|EXPECT}_NO_FATAL_FAILURE to check if a
// statement generates new fatal failures. To do so it registers itself as the
// current test part result reporter. Besides checking if fatal failures were
// reported, it only delegates the reporting to the former result reporter.
// The original result reporter is restored in the destructor.
// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM.
class GTEST_API_ HasNewFatalFailureHelper
: public TestPartResultReporterInterface {
public:
HasNewFatalFailureHelper();
~HasNewFatalFailureHelper() override;
void ReportTestPartResult(const TestPartResult& result) override;
bool has_new_fatal_failure() const { return has_new_fatal_failure_; }
private:
bool has_new_fatal_failure_;
TestPartResultReporterInterface* original_reporter_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(HasNewFatalFailureHelper);
};
} // namespace internal
} // namespace testing
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
#endif // GTEST_INCLUDE_GTEST_GTEST_TEST_PART_H_

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// Copyright 2008 Google Inc.
// All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_
#define GTEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_
// This header implements typed tests and type-parameterized tests.
// Typed (aka type-driven) tests repeat the same test for types in a
// list. You must know which types you want to test with when writing
// typed tests. Here's how you do it:
#if 0
// First, define a fixture class template. It should be parameterized
// by a type. Remember to derive it from testing::Test.
template <typename T>
class FooTest : public testing::Test {
public:
...
typedef std::list<T> List;
static T shared_;
T value_;
};
// Next, associate a list of types with the test suite, which will be
// repeated for each type in the list. The typedef is necessary for
// the macro to parse correctly.
typedef testing::Types<char, int, unsigned int> MyTypes;
TYPED_TEST_SUITE(FooTest, MyTypes);
// If the type list contains only one type, you can write that type
// directly without Types<...>:
// TYPED_TEST_SUITE(FooTest, int);
// Then, use TYPED_TEST() instead of TEST_F() to define as many typed
// tests for this test suite as you want.
TYPED_TEST(FooTest, DoesBlah) {
// Inside a test, refer to the special name TypeParam to get the type
// parameter. Since we are inside a derived class template, C++ requires
// us to visit the members of FooTest via 'this'.
TypeParam n = this->value_;
// To visit static members of the fixture, add the TestFixture::
// prefix.
n += TestFixture::shared_;
// To refer to typedefs in the fixture, add the "typename
// TestFixture::" prefix.
typename TestFixture::List values;
values.push_back(n);
...
}
TYPED_TEST(FooTest, HasPropertyA) { ... }
// TYPED_TEST_SUITE takes an optional third argument which allows to specify a
// class that generates custom test name suffixes based on the type. This should
// be a class which has a static template function GetName(int index) returning
// a string for each type. The provided integer index equals the index of the
// type in the provided type list. In many cases the index can be ignored.
//
// For example:
// class MyTypeNames {
// public:
// template <typename T>
// static std::string GetName(int) {
// if (std::is_same<T, char>()) return "char";
// if (std::is_same<T, int>()) return "int";
// if (std::is_same<T, unsigned int>()) return "unsignedInt";
// }
// };
// TYPED_TEST_SUITE(FooTest, MyTypes, MyTypeNames);
#endif // 0
// Type-parameterized tests are abstract test patterns parameterized
// by a type. Compared with typed tests, type-parameterized tests
// allow you to define the test pattern without knowing what the type
// parameters are. The defined pattern can be instantiated with
// different types any number of times, in any number of translation
// units.
//
// If you are designing an interface or concept, you can define a
// suite of type-parameterized tests to verify properties that any
// valid implementation of the interface/concept should have. Then,
// each implementation can easily instantiate the test suite to verify
// that it conforms to the requirements, without having to write
// similar tests repeatedly. Here's an example:
#if 0
// First, define a fixture class template. It should be parameterized
// by a type. Remember to derive it from testing::Test.
template <typename T>
class FooTest : public testing::Test {
...
};
// Next, declare that you will define a type-parameterized test suite
// (the _P suffix is for "parameterized" or "pattern", whichever you
// prefer):
TYPED_TEST_SUITE_P(FooTest);
// Then, use TYPED_TEST_P() to define as many type-parameterized tests
// for this type-parameterized test suite as you want.
TYPED_TEST_P(FooTest, DoesBlah) {
// Inside a test, refer to TypeParam to get the type parameter.
TypeParam n = 0;
...
}
TYPED_TEST_P(FooTest, HasPropertyA) { ... }
// Now the tricky part: you need to register all test patterns before
// you can instantiate them. The first argument of the macro is the
// test suite name; the rest are the names of the tests in this test
// case.
REGISTER_TYPED_TEST_SUITE_P(FooTest,
DoesBlah, HasPropertyA);
// Finally, you are free to instantiate the pattern with the types you
// want. If you put the above code in a header file, you can #include
// it in multiple C++ source files and instantiate it multiple times.
//
// To distinguish different instances of the pattern, the first
// argument to the INSTANTIATE_* macro is a prefix that will be added
// to the actual test suite name. Remember to pick unique prefixes for
// different instances.
typedef testing::Types<char, int, unsigned int> MyTypes;
INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, MyTypes);
// If the type list contains only one type, you can write that type
// directly without Types<...>:
// INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, int);
//
// Similar to the optional argument of TYPED_TEST_SUITE above,
// INSTANTIATE_TEST_SUITE_P takes an optional fourth argument which allows to
// generate custom names.
// INSTANTIATE_TYPED_TEST_SUITE_P(My, FooTest, MyTypes, MyTypeNames);
#endif // 0
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-port.h"
#include "gtest/internal/gtest-type-util.h"
// Implements typed tests.
#if GTEST_HAS_TYPED_TEST
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// Expands to the name of the typedef for the type parameters of the
// given test suite.
#define GTEST_TYPE_PARAMS_(TestSuiteName) gtest_type_params_##TestSuiteName##_
// Expands to the name of the typedef for the NameGenerator, responsible for
// creating the suffixes of the name.
#define GTEST_NAME_GENERATOR_(TestSuiteName) \
gtest_type_params_##TestSuiteName##_NameGenerator
#define TYPED_TEST_SUITE(CaseName, Types, ...) \
typedef ::testing::internal::GenerateTypeList<Types>::type \
GTEST_TYPE_PARAMS_(CaseName); \
typedef ::testing::internal::NameGeneratorSelector<__VA_ARGS__>::type \
GTEST_NAME_GENERATOR_(CaseName)
#define TYPED_TEST(CaseName, TestName) \
static_assert(sizeof(GTEST_STRINGIFY_(TestName)) > 1, \
"test-name must not be empty"); \
template <typename gtest_TypeParam_> \
class GTEST_TEST_CLASS_NAME_(CaseName, TestName) \
: public CaseName<gtest_TypeParam_> { \
private: \
typedef CaseName<gtest_TypeParam_> TestFixture; \
typedef gtest_TypeParam_ TypeParam; \
void TestBody() override; \
}; \
static bool gtest_##CaseName##_##TestName##_registered_ \
GTEST_ATTRIBUTE_UNUSED_ = ::testing::internal::TypeParameterizedTest< \
CaseName, \
::testing::internal::TemplateSel<GTEST_TEST_CLASS_NAME_(CaseName, \
TestName)>, \
GTEST_TYPE_PARAMS_( \
CaseName)>::Register("", \
::testing::internal::CodeLocation( \
__FILE__, __LINE__), \
GTEST_STRINGIFY_(CaseName), \
GTEST_STRINGIFY_(TestName), 0, \
::testing::internal::GenerateNames< \
GTEST_NAME_GENERATOR_(CaseName), \
GTEST_TYPE_PARAMS_(CaseName)>()); \
template <typename gtest_TypeParam_> \
void GTEST_TEST_CLASS_NAME_(CaseName, \
TestName)<gtest_TypeParam_>::TestBody()
// Legacy API is deprecated but still available
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#define TYPED_TEST_CASE \
static_assert(::testing::internal::TypedTestCaseIsDeprecated(), ""); \
TYPED_TEST_SUITE
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#endif // GTEST_HAS_TYPED_TEST
// Implements type-parameterized tests.
#if GTEST_HAS_TYPED_TEST_P
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// Expands to the namespace name that the type-parameterized tests for
// the given type-parameterized test suite are defined in. The exact
// name of the namespace is subject to change without notice.
#define GTEST_SUITE_NAMESPACE_(TestSuiteName) gtest_suite_##TestSuiteName##_
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// Expands to the name of the variable used to remember the names of
// the defined tests in the given test suite.
#define GTEST_TYPED_TEST_SUITE_P_STATE_(TestSuiteName) \
gtest_typed_test_suite_p_state_##TestSuiteName##_
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE DIRECTLY.
//
// Expands to the name of the variable used to remember the names of
// the registered tests in the given test suite.
#define GTEST_REGISTERED_TEST_NAMES_(TestSuiteName) \
gtest_registered_test_names_##TestSuiteName##_
// The variables defined in the type-parameterized test macros are
// static as typically these macros are used in a .h file that can be
// #included in multiple translation units linked together.
#define TYPED_TEST_SUITE_P(SuiteName) \
static ::testing::internal::TypedTestSuitePState \
GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName)
// Legacy API is deprecated but still available
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#define TYPED_TEST_CASE_P \
static_assert(::testing::internal::TypedTestCase_P_IsDeprecated(), ""); \
TYPED_TEST_SUITE_P
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#define TYPED_TEST_P(SuiteName, TestName) \
namespace GTEST_SUITE_NAMESPACE_(SuiteName) { \
template <typename gtest_TypeParam_> \
class TestName : public SuiteName<gtest_TypeParam_> { \
private: \
typedef SuiteName<gtest_TypeParam_> TestFixture; \
typedef gtest_TypeParam_ TypeParam; \
void TestBody() override; \
}; \
static bool gtest_##TestName##_defined_ GTEST_ATTRIBUTE_UNUSED_ = \
GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName).AddTestName( \
__FILE__, __LINE__, GTEST_STRINGIFY_(SuiteName), \
GTEST_STRINGIFY_(TestName)); \
} \
template <typename gtest_TypeParam_> \
void GTEST_SUITE_NAMESPACE_( \
SuiteName)::TestName<gtest_TypeParam_>::TestBody()
// Note: this won't work correctly if the trailing arguments are macros.
#define REGISTER_TYPED_TEST_SUITE_P(SuiteName, ...) \
namespace GTEST_SUITE_NAMESPACE_(SuiteName) { \
typedef ::testing::internal::Templates<__VA_ARGS__> gtest_AllTests_; \
} \
static const char* const GTEST_REGISTERED_TEST_NAMES_( \
SuiteName) GTEST_ATTRIBUTE_UNUSED_ = \
GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName).VerifyRegisteredTestNames( \
GTEST_STRINGIFY_(SuiteName), __FILE__, __LINE__, #__VA_ARGS__)
// Legacy API is deprecated but still available
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#define REGISTER_TYPED_TEST_CASE_P \
static_assert(::testing::internal::RegisterTypedTestCase_P_IsDeprecated(), \
""); \
REGISTER_TYPED_TEST_SUITE_P
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#define INSTANTIATE_TYPED_TEST_SUITE_P(Prefix, SuiteName, Types, ...) \
static_assert(sizeof(GTEST_STRINGIFY_(Prefix)) > 1, \
"test-suit-prefix must not be empty"); \
static bool gtest_##Prefix##_##SuiteName GTEST_ATTRIBUTE_UNUSED_ = \
::testing::internal::TypeParameterizedTestSuite< \
SuiteName, GTEST_SUITE_NAMESPACE_(SuiteName)::gtest_AllTests_, \
::testing::internal::GenerateTypeList<Types>::type>:: \
Register(GTEST_STRINGIFY_(Prefix), \
::testing::internal::CodeLocation(__FILE__, __LINE__), \
&GTEST_TYPED_TEST_SUITE_P_STATE_(SuiteName), \
GTEST_STRINGIFY_(SuiteName), \
GTEST_REGISTERED_TEST_NAMES_(SuiteName), \
::testing::internal::GenerateNames< \
::testing::internal::NameGeneratorSelector< \
__VA_ARGS__>::type, \
::testing::internal::GenerateTypeList<Types>::type>())
// Legacy API is deprecated but still available
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#define INSTANTIATE_TYPED_TEST_CASE_P \
static_assert( \
::testing::internal::InstantiateTypedTestCase_P_IsDeprecated(), ""); \
INSTANTIATE_TYPED_TEST_SUITE_P
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
#endif // GTEST_HAS_TYPED_TEST_P
#endif // GTEST_INCLUDE_GTEST_GTEST_TYPED_TEST_H_

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// Copyright 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This file is AUTOMATICALLY GENERATED on 01/02/2019 by command
// 'gen_gtest_pred_impl.py 5'. DO NOT EDIT BY HAND!
//
// Implements a family of generic predicate assertion macros.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
#define GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_
#include "gtest/gtest.h"
namespace testing {
// This header implements a family of generic predicate assertion
// macros:
//
// ASSERT_PRED_FORMAT1(pred_format, v1)
// ASSERT_PRED_FORMAT2(pred_format, v1, v2)
// ...
//
// where pred_format is a function or functor that takes n (in the
// case of ASSERT_PRED_FORMATn) values and their source expression
// text, and returns a testing::AssertionResult. See the definition
// of ASSERT_EQ in gtest.h for an example.
//
// If you don't care about formatting, you can use the more
// restrictive version:
//
// ASSERT_PRED1(pred, v1)
// ASSERT_PRED2(pred, v1, v2)
// ...
//
// where pred is an n-ary function or functor that returns bool,
// and the values v1, v2, ..., must support the << operator for
// streaming to std::ostream.
//
// We also define the EXPECT_* variations.
//
// For now we only support predicates whose arity is at most 5.
// Please email googletestframework@googlegroups.com if you need
// support for higher arities.
// GTEST_ASSERT_ is the basic statement to which all of the assertions
// in this file reduce. Don't use this in your code.
#define GTEST_ASSERT_(expression, on_failure) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (const ::testing::AssertionResult gtest_ar = (expression)) \
; \
else \
on_failure(gtest_ar.failure_message())
// Helper function for implementing {EXPECT|ASSERT}_PRED1. Don't use
// this in your code.
template <typename Pred,
typename T1>
AssertionResult AssertPred1Helper(const char* pred_text,
const char* e1,
Pred pred,
const T1& v1) {
if (pred(v1)) return AssertionSuccess();
return AssertionFailure()
<< pred_text << "(" << e1 << ") evaluates to false, where"
<< "\n"
<< e1 << " evaluates to " << ::testing::PrintToString(v1);
}
// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT1.
// Don't use this in your code.
#define GTEST_PRED_FORMAT1_(pred_format, v1, on_failure)\
GTEST_ASSERT_(pred_format(#v1, v1), \
on_failure)
// Internal macro for implementing {EXPECT|ASSERT}_PRED1. Don't use
// this in your code.
#define GTEST_PRED1_(pred, v1, on_failure)\
GTEST_ASSERT_(::testing::AssertPred1Helper(#pred, \
#v1, \
pred, \
v1), on_failure)
// Unary predicate assertion macros.
#define EXPECT_PRED_FORMAT1(pred_format, v1) \
GTEST_PRED_FORMAT1_(pred_format, v1, GTEST_NONFATAL_FAILURE_)
#define EXPECT_PRED1(pred, v1) \
GTEST_PRED1_(pred, v1, GTEST_NONFATAL_FAILURE_)
#define ASSERT_PRED_FORMAT1(pred_format, v1) \
GTEST_PRED_FORMAT1_(pred_format, v1, GTEST_FATAL_FAILURE_)
#define ASSERT_PRED1(pred, v1) \
GTEST_PRED1_(pred, v1, GTEST_FATAL_FAILURE_)
// Helper function for implementing {EXPECT|ASSERT}_PRED2. Don't use
// this in your code.
template <typename Pred,
typename T1,
typename T2>
AssertionResult AssertPred2Helper(const char* pred_text,
const char* e1,
const char* e2,
Pred pred,
const T1& v1,
const T2& v2) {
if (pred(v1, v2)) return AssertionSuccess();
return AssertionFailure()
<< pred_text << "(" << e1 << ", " << e2
<< ") evaluates to false, where"
<< "\n"
<< e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
<< e2 << " evaluates to " << ::testing::PrintToString(v2);
}
// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT2.
// Don't use this in your code.
#define GTEST_PRED_FORMAT2_(pred_format, v1, v2, on_failure)\
GTEST_ASSERT_(pred_format(#v1, #v2, v1, v2), \
on_failure)
// Internal macro for implementing {EXPECT|ASSERT}_PRED2. Don't use
// this in your code.
#define GTEST_PRED2_(pred, v1, v2, on_failure)\
GTEST_ASSERT_(::testing::AssertPred2Helper(#pred, \
#v1, \
#v2, \
pred, \
v1, \
v2), on_failure)
// Binary predicate assertion macros.
#define EXPECT_PRED_FORMAT2(pred_format, v1, v2) \
GTEST_PRED_FORMAT2_(pred_format, v1, v2, GTEST_NONFATAL_FAILURE_)
#define EXPECT_PRED2(pred, v1, v2) \
GTEST_PRED2_(pred, v1, v2, GTEST_NONFATAL_FAILURE_)
#define ASSERT_PRED_FORMAT2(pred_format, v1, v2) \
GTEST_PRED_FORMAT2_(pred_format, v1, v2, GTEST_FATAL_FAILURE_)
#define ASSERT_PRED2(pred, v1, v2) \
GTEST_PRED2_(pred, v1, v2, GTEST_FATAL_FAILURE_)
// Helper function for implementing {EXPECT|ASSERT}_PRED3. Don't use
// this in your code.
template <typename Pred,
typename T1,
typename T2,
typename T3>
AssertionResult AssertPred3Helper(const char* pred_text,
const char* e1,
const char* e2,
const char* e3,
Pred pred,
const T1& v1,
const T2& v2,
const T3& v3) {
if (pred(v1, v2, v3)) return AssertionSuccess();
return AssertionFailure()
<< pred_text << "(" << e1 << ", " << e2 << ", " << e3
<< ") evaluates to false, where"
<< "\n"
<< e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
<< e2 << " evaluates to " << ::testing::PrintToString(v2) << "\n"
<< e3 << " evaluates to " << ::testing::PrintToString(v3);
}
// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT3.
// Don't use this in your code.
#define GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, on_failure)\
GTEST_ASSERT_(pred_format(#v1, #v2, #v3, v1, v2, v3), \
on_failure)
// Internal macro for implementing {EXPECT|ASSERT}_PRED3. Don't use
// this in your code.
#define GTEST_PRED3_(pred, v1, v2, v3, on_failure)\
GTEST_ASSERT_(::testing::AssertPred3Helper(#pred, \
#v1, \
#v2, \
#v3, \
pred, \
v1, \
v2, \
v3), on_failure)
// Ternary predicate assertion macros.
#define EXPECT_PRED_FORMAT3(pred_format, v1, v2, v3) \
GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, GTEST_NONFATAL_FAILURE_)
#define EXPECT_PRED3(pred, v1, v2, v3) \
GTEST_PRED3_(pred, v1, v2, v3, GTEST_NONFATAL_FAILURE_)
#define ASSERT_PRED_FORMAT3(pred_format, v1, v2, v3) \
GTEST_PRED_FORMAT3_(pred_format, v1, v2, v3, GTEST_FATAL_FAILURE_)
#define ASSERT_PRED3(pred, v1, v2, v3) \
GTEST_PRED3_(pred, v1, v2, v3, GTEST_FATAL_FAILURE_)
// Helper function for implementing {EXPECT|ASSERT}_PRED4. Don't use
// this in your code.
template <typename Pred,
typename T1,
typename T2,
typename T3,
typename T4>
AssertionResult AssertPred4Helper(const char* pred_text,
const char* e1,
const char* e2,
const char* e3,
const char* e4,
Pred pred,
const T1& v1,
const T2& v2,
const T3& v3,
const T4& v4) {
if (pred(v1, v2, v3, v4)) return AssertionSuccess();
return AssertionFailure()
<< pred_text << "(" << e1 << ", " << e2 << ", " << e3 << ", " << e4
<< ") evaluates to false, where"
<< "\n"
<< e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
<< e2 << " evaluates to " << ::testing::PrintToString(v2) << "\n"
<< e3 << " evaluates to " << ::testing::PrintToString(v3) << "\n"
<< e4 << " evaluates to " << ::testing::PrintToString(v4);
}
// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT4.
// Don't use this in your code.
#define GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, on_failure)\
GTEST_ASSERT_(pred_format(#v1, #v2, #v3, #v4, v1, v2, v3, v4), \
on_failure)
// Internal macro for implementing {EXPECT|ASSERT}_PRED4. Don't use
// this in your code.
#define GTEST_PRED4_(pred, v1, v2, v3, v4, on_failure)\
GTEST_ASSERT_(::testing::AssertPred4Helper(#pred, \
#v1, \
#v2, \
#v3, \
#v4, \
pred, \
v1, \
v2, \
v3, \
v4), on_failure)
// 4-ary predicate assertion macros.
#define EXPECT_PRED_FORMAT4(pred_format, v1, v2, v3, v4) \
GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, GTEST_NONFATAL_FAILURE_)
#define EXPECT_PRED4(pred, v1, v2, v3, v4) \
GTEST_PRED4_(pred, v1, v2, v3, v4, GTEST_NONFATAL_FAILURE_)
#define ASSERT_PRED_FORMAT4(pred_format, v1, v2, v3, v4) \
GTEST_PRED_FORMAT4_(pred_format, v1, v2, v3, v4, GTEST_FATAL_FAILURE_)
#define ASSERT_PRED4(pred, v1, v2, v3, v4) \
GTEST_PRED4_(pred, v1, v2, v3, v4, GTEST_FATAL_FAILURE_)
// Helper function for implementing {EXPECT|ASSERT}_PRED5. Don't use
// this in your code.
template <typename Pred,
typename T1,
typename T2,
typename T3,
typename T4,
typename T5>
AssertionResult AssertPred5Helper(const char* pred_text,
const char* e1,
const char* e2,
const char* e3,
const char* e4,
const char* e5,
Pred pred,
const T1& v1,
const T2& v2,
const T3& v3,
const T4& v4,
const T5& v5) {
if (pred(v1, v2, v3, v4, v5)) return AssertionSuccess();
return AssertionFailure()
<< pred_text << "(" << e1 << ", " << e2 << ", " << e3 << ", " << e4
<< ", " << e5 << ") evaluates to false, where"
<< "\n"
<< e1 << " evaluates to " << ::testing::PrintToString(v1) << "\n"
<< e2 << " evaluates to " << ::testing::PrintToString(v2) << "\n"
<< e3 << " evaluates to " << ::testing::PrintToString(v3) << "\n"
<< e4 << " evaluates to " << ::testing::PrintToString(v4) << "\n"
<< e5 << " evaluates to " << ::testing::PrintToString(v5);
}
// Internal macro for implementing {EXPECT|ASSERT}_PRED_FORMAT5.
// Don't use this in your code.
#define GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, on_failure)\
GTEST_ASSERT_(pred_format(#v1, #v2, #v3, #v4, #v5, v1, v2, v3, v4, v5), \
on_failure)
// Internal macro for implementing {EXPECT|ASSERT}_PRED5. Don't use
// this in your code.
#define GTEST_PRED5_(pred, v1, v2, v3, v4, v5, on_failure)\
GTEST_ASSERT_(::testing::AssertPred5Helper(#pred, \
#v1, \
#v2, \
#v3, \
#v4, \
#v5, \
pred, \
v1, \
v2, \
v3, \
v4, \
v5), on_failure)
// 5-ary predicate assertion macros.
#define EXPECT_PRED_FORMAT5(pred_format, v1, v2, v3, v4, v5) \
GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, GTEST_NONFATAL_FAILURE_)
#define EXPECT_PRED5(pred, v1, v2, v3, v4, v5) \
GTEST_PRED5_(pred, v1, v2, v3, v4, v5, GTEST_NONFATAL_FAILURE_)
#define ASSERT_PRED_FORMAT5(pred_format, v1, v2, v3, v4, v5) \
GTEST_PRED_FORMAT5_(pred_format, v1, v2, v3, v4, v5, GTEST_FATAL_FAILURE_)
#define ASSERT_PRED5(pred, v1, v2, v3, v4, v5) \
GTEST_PRED5_(pred, v1, v2, v3, v4, v5, GTEST_FATAL_FAILURE_)
} // namespace testing
#endif // GTEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_

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// Copyright 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Google C++ Testing and Mocking Framework definitions useful in production code.
// GOOGLETEST_CM0003 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_GTEST_PROD_H_
#define GTEST_INCLUDE_GTEST_GTEST_PROD_H_
// When you need to test the private or protected members of a class,
// use the FRIEND_TEST macro to declare your tests as friends of the
// class. For example:
//
// class MyClass {
// private:
// void PrivateMethod();
// FRIEND_TEST(MyClassTest, PrivateMethodWorks);
// };
//
// class MyClassTest : public testing::Test {
// // ...
// };
//
// TEST_F(MyClassTest, PrivateMethodWorks) {
// // Can call MyClass::PrivateMethod() here.
// }
//
// Note: The test class must be in the same namespace as the class being tested.
// For example, putting MyClassTest in an anonymous namespace will not work.
#define FRIEND_TEST(test_case_name, test_name)\
friend class test_case_name##_##test_name##_Test
#endif // GTEST_INCLUDE_GTEST_GTEST_PROD_H_

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# Customization Points
The custom directory is an injection point for custom user configurations.
## Header `gtest.h`
### The following macros can be defined:
* `GTEST_OS_STACK_TRACE_GETTER_` - The name of an implementation of
`OsStackTraceGetterInterface`.
* `GTEST_CUSTOM_TEMPDIR_FUNCTION_` - An override for `testing::TempDir()`. See
`testing::TempDir` for semantics and signature.
## Header `gtest-port.h`
The following macros can be defined:
### Flag related macros:
* `GTEST_FLAG(flag_name)`
* `GTEST_USE_OWN_FLAGFILE_FLAG_` - Define to 0 when the system provides its
own flagfile flag parsing.
* `GTEST_DECLARE_bool_(name)`
* `GTEST_DECLARE_int32_(name)`
* `GTEST_DECLARE_string_(name)`
* `GTEST_DEFINE_bool_(name, default_val, doc)`
* `GTEST_DEFINE_int32_(name, default_val, doc)`
* `GTEST_DEFINE_string_(name, default_val, doc)`
### Logging:
* `GTEST_LOG_(severity)`
* `GTEST_CHECK_(condition)`
* Functions `LogToStderr()` and `FlushInfoLog()` have to be provided too.
### Threading:
* `GTEST_HAS_NOTIFICATION_` - Enabled if Notification is already provided.
* `GTEST_HAS_MUTEX_AND_THREAD_LOCAL_` - Enabled if `Mutex` and `ThreadLocal`
are already provided. Must also provide `GTEST_DECLARE_STATIC_MUTEX_(mutex)`
and `GTEST_DEFINE_STATIC_MUTEX_(mutex)`
* `GTEST_EXCLUSIVE_LOCK_REQUIRED_(locks)`
* `GTEST_LOCK_EXCLUDED_(locks)`
### Underlying library support features
* `GTEST_HAS_CXXABI_H_`
### Exporting API symbols:
* `GTEST_API_` - Specifier for exported symbols.
## Header `gtest-printers.h`
* See documentation at `gtest/gtest-printers.h` for details on how to define a
custom printer.

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// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Injection point for custom user configurations. See README for details
//
// ** Custom implementation starts here **
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_
#endif // GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PORT_H_

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// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This file provides an injection point for custom printers in a local
// installation of gTest.
// It will be included from gtest-printers.h and the overrides in this file
// will be visible to everyone.
//
// Injection point for custom user configurations. See README for details
//
// ** Custom implementation starts here **
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PRINTERS_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PRINTERS_H_
#endif // GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_PRINTERS_H_

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// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Injection point for custom user configurations. See README for details
//
// ** Custom implementation starts here **
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_H_
#endif // GTEST_INCLUDE_GTEST_INTERNAL_CUSTOM_GTEST_H_

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// Copyright 2005, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The Google C++ Testing and Mocking Framework (Google Test)
//
// This header file defines internal utilities needed for implementing
// death tests. They are subject to change without notice.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_DEATH_TEST_INTERNAL_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_DEATH_TEST_INTERNAL_H_
#include "gtest/gtest-matchers.h"
#include "gtest/internal/gtest-internal.h"
#include <stdio.h>
#include <memory>
namespace testing {
namespace internal {
GTEST_DECLARE_string_(internal_run_death_test);
// Names of the flags (needed for parsing Google Test flags).
const char kDeathTestStyleFlag[] = "death_test_style";
const char kDeathTestUseFork[] = "death_test_use_fork";
const char kInternalRunDeathTestFlag[] = "internal_run_death_test";
#if GTEST_HAS_DEATH_TEST
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
/* class A needs to have dll-interface to be used by clients of class B */)
// DeathTest is a class that hides much of the complexity of the
// GTEST_DEATH_TEST_ macro. It is abstract; its static Create method
// returns a concrete class that depends on the prevailing death test
// style, as defined by the --gtest_death_test_style and/or
// --gtest_internal_run_death_test flags.
// In describing the results of death tests, these terms are used with
// the corresponding definitions:
//
// exit status: The integer exit information in the format specified
// by wait(2)
// exit code: The integer code passed to exit(3), _exit(2), or
// returned from main()
class GTEST_API_ DeathTest {
public:
// Create returns false if there was an error determining the
// appropriate action to take for the current death test; for example,
// if the gtest_death_test_style flag is set to an invalid value.
// The LastMessage method will return a more detailed message in that
// case. Otherwise, the DeathTest pointer pointed to by the "test"
// argument is set. If the death test should be skipped, the pointer
// is set to NULL; otherwise, it is set to the address of a new concrete
// DeathTest object that controls the execution of the current test.
static bool Create(const char* statement, Matcher<const std::string&> matcher,
const char* file, int line, DeathTest** test);
DeathTest();
virtual ~DeathTest() { }
// A helper class that aborts a death test when it's deleted.
class ReturnSentinel {
public:
explicit ReturnSentinel(DeathTest* test) : test_(test) { }
~ReturnSentinel() { test_->Abort(TEST_ENCOUNTERED_RETURN_STATEMENT); }
private:
DeathTest* const test_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(ReturnSentinel);
} GTEST_ATTRIBUTE_UNUSED_;
// An enumeration of possible roles that may be taken when a death
// test is encountered. EXECUTE means that the death test logic should
// be executed immediately. OVERSEE means that the program should prepare
// the appropriate environment for a child process to execute the death
// test, then wait for it to complete.
enum TestRole { OVERSEE_TEST, EXECUTE_TEST };
// An enumeration of the three reasons that a test might be aborted.
enum AbortReason {
TEST_ENCOUNTERED_RETURN_STATEMENT,
TEST_THREW_EXCEPTION,
TEST_DID_NOT_DIE
};
// Assumes one of the above roles.
virtual TestRole AssumeRole() = 0;
// Waits for the death test to finish and returns its status.
virtual int Wait() = 0;
// Returns true if the death test passed; that is, the test process
// exited during the test, its exit status matches a user-supplied
// predicate, and its stderr output matches a user-supplied regular
// expression.
// The user-supplied predicate may be a macro expression rather
// than a function pointer or functor, or else Wait and Passed could
// be combined.
virtual bool Passed(bool exit_status_ok) = 0;
// Signals that the death test did not die as expected.
virtual void Abort(AbortReason reason) = 0;
// Returns a human-readable outcome message regarding the outcome of
// the last death test.
static const char* LastMessage();
static void set_last_death_test_message(const std::string& message);
private:
// A string containing a description of the outcome of the last death test.
static std::string last_death_test_message_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(DeathTest);
};
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
// Factory interface for death tests. May be mocked out for testing.
class DeathTestFactory {
public:
virtual ~DeathTestFactory() { }
virtual bool Create(const char* statement,
Matcher<const std::string&> matcher, const char* file,
int line, DeathTest** test) = 0;
};
// A concrete DeathTestFactory implementation for normal use.
class DefaultDeathTestFactory : public DeathTestFactory {
public:
bool Create(const char* statement, Matcher<const std::string&> matcher,
const char* file, int line, DeathTest** test) override;
};
// Returns true if exit_status describes a process that was terminated
// by a signal, or exited normally with a nonzero exit code.
GTEST_API_ bool ExitedUnsuccessfully(int exit_status);
// A string passed to EXPECT_DEATH (etc.) is caught by one of these overloads
// and interpreted as a regex (rather than an Eq matcher) for legacy
// compatibility.
inline Matcher<const ::std::string&> MakeDeathTestMatcher(
::testing::internal::RE regex) {
return ContainsRegex(regex.pattern());
}
inline Matcher<const ::std::string&> MakeDeathTestMatcher(const char* regex) {
return ContainsRegex(regex);
}
inline Matcher<const ::std::string&> MakeDeathTestMatcher(
const ::std::string& regex) {
return ContainsRegex(regex);
}
// If a Matcher<const ::std::string&> is passed to EXPECT_DEATH (etc.), it's
// used directly.
inline Matcher<const ::std::string&> MakeDeathTestMatcher(
Matcher<const ::std::string&> matcher) {
return matcher;
}
// Traps C++ exceptions escaping statement and reports them as test
// failures. Note that trapping SEH exceptions is not implemented here.
# if GTEST_HAS_EXCEPTIONS
# define GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, death_test) \
try { \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
} catch (const ::std::exception& gtest_exception) { \
fprintf(\
stderr, \
"\n%s: Caught std::exception-derived exception escaping the " \
"death test statement. Exception message: %s\n", \
::testing::internal::FormatFileLocation(__FILE__, __LINE__).c_str(), \
gtest_exception.what()); \
fflush(stderr); \
death_test->Abort(::testing::internal::DeathTest::TEST_THREW_EXCEPTION); \
} catch (...) { \
death_test->Abort(::testing::internal::DeathTest::TEST_THREW_EXCEPTION); \
}
# else
# define GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, death_test) \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement)
# endif
// This macro is for implementing ASSERT_DEATH*, EXPECT_DEATH*,
// ASSERT_EXIT*, and EXPECT_EXIT*.
#define GTEST_DEATH_TEST_(statement, predicate, regex_or_matcher, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::internal::AlwaysTrue()) { \
::testing::internal::DeathTest* gtest_dt; \
if (!::testing::internal::DeathTest::Create( \
#statement, \
::testing::internal::MakeDeathTestMatcher(regex_or_matcher), \
__FILE__, __LINE__, &gtest_dt)) { \
goto GTEST_CONCAT_TOKEN_(gtest_label_, __LINE__); \
} \
if (gtest_dt != nullptr) { \
std::unique_ptr< ::testing::internal::DeathTest> gtest_dt_ptr(gtest_dt); \
switch (gtest_dt->AssumeRole()) { \
case ::testing::internal::DeathTest::OVERSEE_TEST: \
if (!gtest_dt->Passed(predicate(gtest_dt->Wait()))) { \
goto GTEST_CONCAT_TOKEN_(gtest_label_, __LINE__); \
} \
break; \
case ::testing::internal::DeathTest::EXECUTE_TEST: { \
::testing::internal::DeathTest::ReturnSentinel gtest_sentinel( \
gtest_dt); \
GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt); \
gtest_dt->Abort(::testing::internal::DeathTest::TEST_DID_NOT_DIE); \
break; \
} \
default: \
break; \
} \
} \
} else \
GTEST_CONCAT_TOKEN_(gtest_label_, __LINE__) \
: fail(::testing::internal::DeathTest::LastMessage())
// The symbol "fail" here expands to something into which a message
// can be streamed.
// This macro is for implementing ASSERT/EXPECT_DEBUG_DEATH when compiled in
// NDEBUG mode. In this case we need the statements to be executed and the macro
// must accept a streamed message even though the message is never printed.
// The regex object is not evaluated, but it is used to prevent "unused"
// warnings and to avoid an expression that doesn't compile in debug mode.
#define GTEST_EXECUTE_STATEMENT_(statement, regex_or_matcher) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::internal::AlwaysTrue()) { \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
} else if (!::testing::internal::AlwaysTrue()) { \
::testing::internal::MakeDeathTestMatcher(regex_or_matcher); \
} else \
::testing::Message()
// A class representing the parsed contents of the
// --gtest_internal_run_death_test flag, as it existed when
// RUN_ALL_TESTS was called.
class InternalRunDeathTestFlag {
public:
InternalRunDeathTestFlag(const std::string& a_file,
int a_line,
int an_index,
int a_write_fd)
: file_(a_file), line_(a_line), index_(an_index),
write_fd_(a_write_fd) {}
~InternalRunDeathTestFlag() {
if (write_fd_ >= 0)
posix::Close(write_fd_);
}
const std::string& file() const { return file_; }
int line() const { return line_; }
int index() const { return index_; }
int write_fd() const { return write_fd_; }
private:
std::string file_;
int line_;
int index_;
int write_fd_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(InternalRunDeathTestFlag);
};
// Returns a newly created InternalRunDeathTestFlag object with fields
// initialized from the GTEST_FLAG(internal_run_death_test) flag if
// the flag is specified; otherwise returns NULL.
InternalRunDeathTestFlag* ParseInternalRunDeathTestFlag();
#endif // GTEST_HAS_DEATH_TEST
} // namespace internal
} // namespace testing
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_DEATH_TEST_INTERNAL_H_

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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Google Test filepath utilities
//
// This header file declares classes and functions used internally by
// Google Test. They are subject to change without notice.
//
// This file is #included in gtest/internal/gtest-internal.h.
// Do not include this header file separately!
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_
#include "gtest/internal/gtest-string.h"
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
/* class A needs to have dll-interface to be used by clients of class B */)
namespace testing {
namespace internal {
// FilePath - a class for file and directory pathname manipulation which
// handles platform-specific conventions (like the pathname separator).
// Used for helper functions for naming files in a directory for xml output.
// Except for Set methods, all methods are const or static, which provides an
// "immutable value object" -- useful for peace of mind.
// A FilePath with a value ending in a path separator ("like/this/") represents
// a directory, otherwise it is assumed to represent a file. In either case,
// it may or may not represent an actual file or directory in the file system.
// Names are NOT checked for syntax correctness -- no checking for illegal
// characters, malformed paths, etc.
class GTEST_API_ FilePath {
public:
FilePath() : pathname_("") { }
FilePath(const FilePath& rhs) : pathname_(rhs.pathname_) { }
explicit FilePath(const std::string& pathname) : pathname_(pathname) {
Normalize();
}
FilePath& operator=(const FilePath& rhs) {
Set(rhs);
return *this;
}
void Set(const FilePath& rhs) {
pathname_ = rhs.pathname_;
}
const std::string& string() const { return pathname_; }
const char* c_str() const { return pathname_.c_str(); }
// Returns the current working directory, or "" if unsuccessful.
static FilePath GetCurrentDir();
// Given directory = "dir", base_name = "test", number = 0,
// extension = "xml", returns "dir/test.xml". If number is greater
// than zero (e.g., 12), returns "dir/test_12.xml".
// On Windows platform, uses \ as the separator rather than /.
static FilePath MakeFileName(const FilePath& directory,
const FilePath& base_name,
int number,
const char* extension);
// Given directory = "dir", relative_path = "test.xml",
// returns "dir/test.xml".
// On Windows, uses \ as the separator rather than /.
static FilePath ConcatPaths(const FilePath& directory,
const FilePath& relative_path);
// Returns a pathname for a file that does not currently exist. The pathname
// will be directory/base_name.extension or
// directory/base_name_<number>.extension if directory/base_name.extension
// already exists. The number will be incremented until a pathname is found
// that does not already exist.
// Examples: 'dir/foo_test.xml' or 'dir/foo_test_1.xml'.
// There could be a race condition if two or more processes are calling this
// function at the same time -- they could both pick the same filename.
static FilePath GenerateUniqueFileName(const FilePath& directory,
const FilePath& base_name,
const char* extension);
// Returns true if and only if the path is "".
bool IsEmpty() const { return pathname_.empty(); }
// If input name has a trailing separator character, removes it and returns
// the name, otherwise return the name string unmodified.
// On Windows platform, uses \ as the separator, other platforms use /.
FilePath RemoveTrailingPathSeparator() const;
// Returns a copy of the FilePath with the directory part removed.
// Example: FilePath("path/to/file").RemoveDirectoryName() returns
// FilePath("file"). If there is no directory part ("just_a_file"), it returns
// the FilePath unmodified. If there is no file part ("just_a_dir/") it
// returns an empty FilePath ("").
// On Windows platform, '\' is the path separator, otherwise it is '/'.
FilePath RemoveDirectoryName() const;
// RemoveFileName returns the directory path with the filename removed.
// Example: FilePath("path/to/file").RemoveFileName() returns "path/to/".
// If the FilePath is "a_file" or "/a_file", RemoveFileName returns
// FilePath("./") or, on Windows, FilePath(".\\"). If the filepath does
// not have a file, like "just/a/dir/", it returns the FilePath unmodified.
// On Windows platform, '\' is the path separator, otherwise it is '/'.
FilePath RemoveFileName() const;
// Returns a copy of the FilePath with the case-insensitive extension removed.
// Example: FilePath("dir/file.exe").RemoveExtension("EXE") returns
// FilePath("dir/file"). If a case-insensitive extension is not
// found, returns a copy of the original FilePath.
FilePath RemoveExtension(const char* extension) const;
// Creates directories so that path exists. Returns true if successful or if
// the directories already exist; returns false if unable to create
// directories for any reason. Will also return false if the FilePath does
// not represent a directory (that is, it doesn't end with a path separator).
bool CreateDirectoriesRecursively() const;
// Create the directory so that path exists. Returns true if successful or
// if the directory already exists; returns false if unable to create the
// directory for any reason, including if the parent directory does not
// exist. Not named "CreateDirectory" because that's a macro on Windows.
bool CreateFolder() const;
// Returns true if FilePath describes something in the file-system,
// either a file, directory, or whatever, and that something exists.
bool FileOrDirectoryExists() const;
// Returns true if pathname describes a directory in the file-system
// that exists.
bool DirectoryExists() const;
// Returns true if FilePath ends with a path separator, which indicates that
// it is intended to represent a directory. Returns false otherwise.
// This does NOT check that a directory (or file) actually exists.
bool IsDirectory() const;
// Returns true if pathname describes a root directory. (Windows has one
// root directory per disk drive.)
bool IsRootDirectory() const;
// Returns true if pathname describes an absolute path.
bool IsAbsolutePath() const;
private:
// Replaces multiple consecutive separators with a single separator.
// For example, "bar///foo" becomes "bar/foo". Does not eliminate other
// redundancies that might be in a pathname involving "." or "..".
//
// A pathname with multiple consecutive separators may occur either through
// user error or as a result of some scripts or APIs that generate a pathname
// with a trailing separator. On other platforms the same API or script
// may NOT generate a pathname with a trailing "/". Then elsewhere that
// pathname may have another "/" and pathname components added to it,
// without checking for the separator already being there.
// The script language and operating system may allow paths like "foo//bar"
// but some of the functions in FilePath will not handle that correctly. In
// particular, RemoveTrailingPathSeparator() only removes one separator, and
// it is called in CreateDirectoriesRecursively() assuming that it will change
// a pathname from directory syntax (trailing separator) to filename syntax.
//
// On Windows this method also replaces the alternate path separator '/' with
// the primary path separator '\\', so that for example "bar\\/\\foo" becomes
// "bar\\foo".
void Normalize();
// Returns a pointer to the last occurence of a valid path separator in
// the FilePath. On Windows, for example, both '/' and '\' are valid path
// separators. Returns NULL if no path separator was found.
const char* FindLastPathSeparator() const;
std::string pathname_;
}; // class FilePath
} // namespace internal
} // namespace testing
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_

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// Copyright 2008 Google Inc.
// All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
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// contributors may be used to endorse or promote products derived from
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//
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Type and function utilities for implementing parameterized tests.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
#include <ctype.h>
#include <cassert>
#include <iterator>
#include <memory>
#include <set>
#include <tuple>
#include <type_traits>
#include <utility>
#include <vector>
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-port.h"
#include "gtest/gtest-printers.h"
#include "gtest/gtest-test-part.h"
namespace testing {
// Input to a parameterized test name generator, describing a test parameter.
// Consists of the parameter value and the integer parameter index.
template <class ParamType>
struct TestParamInfo {
TestParamInfo(const ParamType& a_param, size_t an_index) :
param(a_param),
index(an_index) {}
ParamType param;
size_t index;
};
// A builtin parameterized test name generator which returns the result of
// testing::PrintToString.
struct PrintToStringParamName {
template <class ParamType>
std::string operator()(const TestParamInfo<ParamType>& info) const {
return PrintToString(info.param);
}
};
namespace internal {
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
// Utility Functions
// Outputs a message explaining invalid registration of different
// fixture class for the same test suite. This may happen when
// TEST_P macro is used to define two tests with the same name
// but in different namespaces.
GTEST_API_ void ReportInvalidTestSuiteType(const char* test_suite_name,
CodeLocation code_location);
template <typename> class ParamGeneratorInterface;
template <typename> class ParamGenerator;
// Interface for iterating over elements provided by an implementation
// of ParamGeneratorInterface<T>.
template <typename T>
class ParamIteratorInterface {
public:
virtual ~ParamIteratorInterface() {}
// A pointer to the base generator instance.
// Used only for the purposes of iterator comparison
// to make sure that two iterators belong to the same generator.
virtual const ParamGeneratorInterface<T>* BaseGenerator() const = 0;
// Advances iterator to point to the next element
// provided by the generator. The caller is responsible
// for not calling Advance() on an iterator equal to
// BaseGenerator()->End().
virtual void Advance() = 0;
// Clones the iterator object. Used for implementing copy semantics
// of ParamIterator<T>.
virtual ParamIteratorInterface* Clone() const = 0;
// Dereferences the current iterator and provides (read-only) access
// to the pointed value. It is the caller's responsibility not to call
// Current() on an iterator equal to BaseGenerator()->End().
// Used for implementing ParamGenerator<T>::operator*().
virtual const T* Current() const = 0;
// Determines whether the given iterator and other point to the same
// element in the sequence generated by the generator.
// Used for implementing ParamGenerator<T>::operator==().
virtual bool Equals(const ParamIteratorInterface& other) const = 0;
};
// Class iterating over elements provided by an implementation of
// ParamGeneratorInterface<T>. It wraps ParamIteratorInterface<T>
// and implements the const forward iterator concept.
template <typename T>
class ParamIterator {
public:
typedef T value_type;
typedef const T& reference;
typedef ptrdiff_t difference_type;
// ParamIterator assumes ownership of the impl_ pointer.
ParamIterator(const ParamIterator& other) : impl_(other.impl_->Clone()) {}
ParamIterator& operator=(const ParamIterator& other) {
if (this != &other)
impl_.reset(other.impl_->Clone());
return *this;
}
const T& operator*() const { return *impl_->Current(); }
const T* operator->() const { return impl_->Current(); }
// Prefix version of operator++.
ParamIterator& operator++() {
impl_->Advance();
return *this;
}
// Postfix version of operator++.
ParamIterator operator++(int /*unused*/) {
ParamIteratorInterface<T>* clone = impl_->Clone();
impl_->Advance();
return ParamIterator(clone);
}
bool operator==(const ParamIterator& other) const {
return impl_.get() == other.impl_.get() || impl_->Equals(*other.impl_);
}
bool operator!=(const ParamIterator& other) const {
return !(*this == other);
}
private:
friend class ParamGenerator<T>;
explicit ParamIterator(ParamIteratorInterface<T>* impl) : impl_(impl) {}
std::unique_ptr<ParamIteratorInterface<T> > impl_;
};
// ParamGeneratorInterface<T> is the binary interface to access generators
// defined in other translation units.
template <typename T>
class ParamGeneratorInterface {
public:
typedef T ParamType;
virtual ~ParamGeneratorInterface() {}
// Generator interface definition
virtual ParamIteratorInterface<T>* Begin() const = 0;
virtual ParamIteratorInterface<T>* End() const = 0;
};
// Wraps ParamGeneratorInterface<T> and provides general generator syntax
// compatible with the STL Container concept.
// This class implements copy initialization semantics and the contained
// ParamGeneratorInterface<T> instance is shared among all copies
// of the original object. This is possible because that instance is immutable.
template<typename T>
class ParamGenerator {
public:
typedef ParamIterator<T> iterator;
explicit ParamGenerator(ParamGeneratorInterface<T>* impl) : impl_(impl) {}
ParamGenerator(const ParamGenerator& other) : impl_(other.impl_) {}
ParamGenerator& operator=(const ParamGenerator& other) {
impl_ = other.impl_;
return *this;
}
iterator begin() const { return iterator(impl_->Begin()); }
iterator end() const { return iterator(impl_->End()); }
private:
std::shared_ptr<const ParamGeneratorInterface<T> > impl_;
};
// Generates values from a range of two comparable values. Can be used to
// generate sequences of user-defined types that implement operator+() and
// operator<().
// This class is used in the Range() function.
template <typename T, typename IncrementT>
class RangeGenerator : public ParamGeneratorInterface<T> {
public:
RangeGenerator(T begin, T end, IncrementT step)
: begin_(begin), end_(end),
step_(step), end_index_(CalculateEndIndex(begin, end, step)) {}
~RangeGenerator() override {}
ParamIteratorInterface<T>* Begin() const override {
return new Iterator(this, begin_, 0, step_);
}
ParamIteratorInterface<T>* End() const override {
return new Iterator(this, end_, end_index_, step_);
}
private:
class Iterator : public ParamIteratorInterface<T> {
public:
Iterator(const ParamGeneratorInterface<T>* base, T value, int index,
IncrementT step)
: base_(base), value_(value), index_(index), step_(step) {}
~Iterator() override {}
const ParamGeneratorInterface<T>* BaseGenerator() const override {
return base_;
}
void Advance() override {
value_ = static_cast<T>(value_ + step_);
index_++;
}
ParamIteratorInterface<T>* Clone() const override {
return new Iterator(*this);
}
const T* Current() const override { return &value_; }
bool Equals(const ParamIteratorInterface<T>& other) const override {
// Having the same base generator guarantees that the other
// iterator is of the same type and we can downcast.
GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
<< "The program attempted to compare iterators "
<< "from different generators." << std::endl;
const int other_index =
CheckedDowncastToActualType<const Iterator>(&other)->index_;
return index_ == other_index;
}
private:
Iterator(const Iterator& other)
: ParamIteratorInterface<T>(),
base_(other.base_), value_(other.value_), index_(other.index_),
step_(other.step_) {}
// No implementation - assignment is unsupported.
void operator=(const Iterator& other);
const ParamGeneratorInterface<T>* const base_;
T value_;
int index_;
const IncrementT step_;
}; // class RangeGenerator::Iterator
static int CalculateEndIndex(const T& begin,
const T& end,
const IncrementT& step) {
int end_index = 0;
for (T i = begin; i < end; i = static_cast<T>(i + step))
end_index++;
return end_index;
}
// No implementation - assignment is unsupported.
void operator=(const RangeGenerator& other);
const T begin_;
const T end_;
const IncrementT step_;
// The index for the end() iterator. All the elements in the generated
// sequence are indexed (0-based) to aid iterator comparison.
const int end_index_;
}; // class RangeGenerator
// Generates values from a pair of STL-style iterators. Used in the
// ValuesIn() function. The elements are copied from the source range
// since the source can be located on the stack, and the generator
// is likely to persist beyond that stack frame.
template <typename T>
class ValuesInIteratorRangeGenerator : public ParamGeneratorInterface<T> {
public:
template <typename ForwardIterator>
ValuesInIteratorRangeGenerator(ForwardIterator begin, ForwardIterator end)
: container_(begin, end) {}
~ValuesInIteratorRangeGenerator() override {}
ParamIteratorInterface<T>* Begin() const override {
return new Iterator(this, container_.begin());
}
ParamIteratorInterface<T>* End() const override {
return new Iterator(this, container_.end());
}
private:
typedef typename ::std::vector<T> ContainerType;
class Iterator : public ParamIteratorInterface<T> {
public:
Iterator(const ParamGeneratorInterface<T>* base,
typename ContainerType::const_iterator iterator)
: base_(base), iterator_(iterator) {}
~Iterator() override {}
const ParamGeneratorInterface<T>* BaseGenerator() const override {
return base_;
}
void Advance() override {
++iterator_;
value_.reset();
}
ParamIteratorInterface<T>* Clone() const override {
return new Iterator(*this);
}
// We need to use cached value referenced by iterator_ because *iterator_
// can return a temporary object (and of type other then T), so just
// having "return &*iterator_;" doesn't work.
// value_ is updated here and not in Advance() because Advance()
// can advance iterator_ beyond the end of the range, and we cannot
// detect that fact. The client code, on the other hand, is
// responsible for not calling Current() on an out-of-range iterator.
const T* Current() const override {
if (value_.get() == nullptr) value_.reset(new T(*iterator_));
return value_.get();
}
bool Equals(const ParamIteratorInterface<T>& other) const override {
// Having the same base generator guarantees that the other
// iterator is of the same type and we can downcast.
GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
<< "The program attempted to compare iterators "
<< "from different generators." << std::endl;
return iterator_ ==
CheckedDowncastToActualType<const Iterator>(&other)->iterator_;
}
private:
Iterator(const Iterator& other)
// The explicit constructor call suppresses a false warning
// emitted by gcc when supplied with the -Wextra option.
: ParamIteratorInterface<T>(),
base_(other.base_),
iterator_(other.iterator_) {}
const ParamGeneratorInterface<T>* const base_;
typename ContainerType::const_iterator iterator_;
// A cached value of *iterator_. We keep it here to allow access by
// pointer in the wrapping iterator's operator->().
// value_ needs to be mutable to be accessed in Current().
// Use of std::unique_ptr helps manage cached value's lifetime,
// which is bound by the lifespan of the iterator itself.
mutable std::unique_ptr<const T> value_;
}; // class ValuesInIteratorRangeGenerator::Iterator
// No implementation - assignment is unsupported.
void operator=(const ValuesInIteratorRangeGenerator& other);
const ContainerType container_;
}; // class ValuesInIteratorRangeGenerator
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// Default parameterized test name generator, returns a string containing the
// integer test parameter index.
template <class ParamType>
std::string DefaultParamName(const TestParamInfo<ParamType>& info) {
Message name_stream;
name_stream << info.index;
return name_stream.GetString();
}
template <typename T = int>
void TestNotEmpty() {
static_assert(sizeof(T) == 0, "Empty arguments are not allowed.");
}
template <typename T = int>
void TestNotEmpty(const T&) {}
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// Stores a parameter value and later creates tests parameterized with that
// value.
template <class TestClass>
class ParameterizedTestFactory : public TestFactoryBase {
public:
typedef typename TestClass::ParamType ParamType;
explicit ParameterizedTestFactory(ParamType parameter) :
parameter_(parameter) {}
Test* CreateTest() override {
TestClass::SetParam(&parameter_);
return new TestClass();
}
private:
const ParamType parameter_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestFactory);
};
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// TestMetaFactoryBase is a base class for meta-factories that create
// test factories for passing into MakeAndRegisterTestInfo function.
template <class ParamType>
class TestMetaFactoryBase {
public:
virtual ~TestMetaFactoryBase() {}
virtual TestFactoryBase* CreateTestFactory(ParamType parameter) = 0;
};
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// TestMetaFactory creates test factories for passing into
// MakeAndRegisterTestInfo function. Since MakeAndRegisterTestInfo receives
// ownership of test factory pointer, same factory object cannot be passed
// into that method twice. But ParameterizedTestSuiteInfo is going to call
// it for each Test/Parameter value combination. Thus it needs meta factory
// creator class.
template <class TestSuite>
class TestMetaFactory
: public TestMetaFactoryBase<typename TestSuite::ParamType> {
public:
using ParamType = typename TestSuite::ParamType;
TestMetaFactory() {}
TestFactoryBase* CreateTestFactory(ParamType parameter) override {
return new ParameterizedTestFactory<TestSuite>(parameter);
}
private:
GTEST_DISALLOW_COPY_AND_ASSIGN_(TestMetaFactory);
};
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// ParameterizedTestSuiteInfoBase is a generic interface
// to ParameterizedTestSuiteInfo classes. ParameterizedTestSuiteInfoBase
// accumulates test information provided by TEST_P macro invocations
// and generators provided by INSTANTIATE_TEST_SUITE_P macro invocations
// and uses that information to register all resulting test instances
// in RegisterTests method. The ParameterizeTestSuiteRegistry class holds
// a collection of pointers to the ParameterizedTestSuiteInfo objects
// and calls RegisterTests() on each of them when asked.
class ParameterizedTestSuiteInfoBase {
public:
virtual ~ParameterizedTestSuiteInfoBase() {}
// Base part of test suite name for display purposes.
virtual const std::string& GetTestSuiteName() const = 0;
// Test suite id to verify identity.
virtual TypeId GetTestSuiteTypeId() const = 0;
// UnitTest class invokes this method to register tests in this
// test suite right before running them in RUN_ALL_TESTS macro.
// This method should not be called more than once on any single
// instance of a ParameterizedTestSuiteInfoBase derived class.
virtual void RegisterTests() = 0;
protected:
ParameterizedTestSuiteInfoBase() {}
private:
GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestSuiteInfoBase);
};
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// Report a the name of a test_suit as safe to ignore
// as the side effect of construction of this type.
struct MarkAsIgnored {
explicit MarkAsIgnored(const char* test_suite);
};
GTEST_API_ void InsertSyntheticTestCase(const std::string& name,
CodeLocation location, bool has_test_p);
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// ParameterizedTestSuiteInfo accumulates tests obtained from TEST_P
// macro invocations for a particular test suite and generators
// obtained from INSTANTIATE_TEST_SUITE_P macro invocations for that
// test suite. It registers tests with all values generated by all
// generators when asked.
template <class TestSuite>
class ParameterizedTestSuiteInfo : public ParameterizedTestSuiteInfoBase {
public:
// ParamType and GeneratorCreationFunc are private types but are required
// for declarations of public methods AddTestPattern() and
// AddTestSuiteInstantiation().
using ParamType = typename TestSuite::ParamType;
// A function that returns an instance of appropriate generator type.
typedef ParamGenerator<ParamType>(GeneratorCreationFunc)();
using ParamNameGeneratorFunc = std::string(const TestParamInfo<ParamType>&);
explicit ParameterizedTestSuiteInfo(const char* name,
CodeLocation code_location)
: test_suite_name_(name), code_location_(code_location) {}
// Test suite base name for display purposes.
const std::string& GetTestSuiteName() const override {
return test_suite_name_;
}
// Test suite id to verify identity.
TypeId GetTestSuiteTypeId() const override { return GetTypeId<TestSuite>(); }
// TEST_P macro uses AddTestPattern() to record information
// about a single test in a LocalTestInfo structure.
// test_suite_name is the base name of the test suite (without invocation
// prefix). test_base_name is the name of an individual test without
// parameter index. For the test SequenceA/FooTest.DoBar/1 FooTest is
// test suite base name and DoBar is test base name.
void AddTestPattern(const char* test_suite_name, const char* test_base_name,
TestMetaFactoryBase<ParamType>* meta_factory,
CodeLocation code_location) {
tests_.push_back(std::shared_ptr<TestInfo>(new TestInfo(
test_suite_name, test_base_name, meta_factory, code_location)));
}
// INSTANTIATE_TEST_SUITE_P macro uses AddGenerator() to record information
// about a generator.
int AddTestSuiteInstantiation(const std::string& instantiation_name,
GeneratorCreationFunc* func,
ParamNameGeneratorFunc* name_func,
const char* file, int line) {
instantiations_.push_back(
InstantiationInfo(instantiation_name, func, name_func, file, line));
return 0; // Return value used only to run this method in namespace scope.
}
// UnitTest class invokes this method to register tests in this test suite
// right before running tests in RUN_ALL_TESTS macro.
// This method should not be called more than once on any single
// instance of a ParameterizedTestSuiteInfoBase derived class.
// UnitTest has a guard to prevent from calling this method more than once.
void RegisterTests() override {
bool generated_instantiations = false;
for (typename TestInfoContainer::iterator test_it = tests_.begin();
test_it != tests_.end(); ++test_it) {
std::shared_ptr<TestInfo> test_info = *test_it;
for (typename InstantiationContainer::iterator gen_it =
instantiations_.begin(); gen_it != instantiations_.end();
++gen_it) {
const std::string& instantiation_name = gen_it->name;
ParamGenerator<ParamType> generator((*gen_it->generator)());
ParamNameGeneratorFunc* name_func = gen_it->name_func;
const char* file = gen_it->file;
int line = gen_it->line;
std::string test_suite_name;
if ( !instantiation_name.empty() )
test_suite_name = instantiation_name + "/";
test_suite_name += test_info->test_suite_base_name;
size_t i = 0;
std::set<std::string> test_param_names;
for (typename ParamGenerator<ParamType>::iterator param_it =
generator.begin();
param_it != generator.end(); ++param_it, ++i) {
generated_instantiations = true;
Message test_name_stream;
std::string param_name = name_func(
TestParamInfo<ParamType>(*param_it, i));
GTEST_CHECK_(IsValidParamName(param_name))
<< "Parameterized test name '" << param_name
<< "' is invalid, in " << file
<< " line " << line << std::endl;
GTEST_CHECK_(test_param_names.count(param_name) == 0)
<< "Duplicate parameterized test name '" << param_name
<< "', in " << file << " line " << line << std::endl;
test_param_names.insert(param_name);
if (!test_info->test_base_name.empty()) {
test_name_stream << test_info->test_base_name << "/";
}
test_name_stream << param_name;
MakeAndRegisterTestInfo(
test_suite_name.c_str(), test_name_stream.GetString().c_str(),
nullptr, // No type parameter.
PrintToString(*param_it).c_str(), test_info->code_location,
GetTestSuiteTypeId(),
SuiteApiResolver<TestSuite>::GetSetUpCaseOrSuite(file, line),
SuiteApiResolver<TestSuite>::GetTearDownCaseOrSuite(file, line),
test_info->test_meta_factory->CreateTestFactory(*param_it));
} // for param_it
} // for gen_it
} // for test_it
if (!generated_instantiations) {
// There are no generaotrs, or they all generate nothing ...
InsertSyntheticTestCase(GetTestSuiteName(), code_location_,
!tests_.empty());
}
} // RegisterTests
private:
// LocalTestInfo structure keeps information about a single test registered
// with TEST_P macro.
struct TestInfo {
TestInfo(const char* a_test_suite_base_name, const char* a_test_base_name,
TestMetaFactoryBase<ParamType>* a_test_meta_factory,
CodeLocation a_code_location)
: test_suite_base_name(a_test_suite_base_name),
test_base_name(a_test_base_name),
test_meta_factory(a_test_meta_factory),
code_location(a_code_location) {}
const std::string test_suite_base_name;
const std::string test_base_name;
const std::unique_ptr<TestMetaFactoryBase<ParamType> > test_meta_factory;
const CodeLocation code_location;
};
using TestInfoContainer = ::std::vector<std::shared_ptr<TestInfo> >;
// Records data received from INSTANTIATE_TEST_SUITE_P macros:
// <Instantiation name, Sequence generator creation function,
// Name generator function, Source file, Source line>
struct InstantiationInfo {
InstantiationInfo(const std::string &name_in,
GeneratorCreationFunc* generator_in,
ParamNameGeneratorFunc* name_func_in,
const char* file_in,
int line_in)
: name(name_in),
generator(generator_in),
name_func(name_func_in),
file(file_in),
line(line_in) {}
std::string name;
GeneratorCreationFunc* generator;
ParamNameGeneratorFunc* name_func;
const char* file;
int line;
};
typedef ::std::vector<InstantiationInfo> InstantiationContainer;
static bool IsValidParamName(const std::string& name) {
// Check for empty string
if (name.empty())
return false;
// Check for invalid characters
for (std::string::size_type index = 0; index < name.size(); ++index) {
if (!isalnum(name[index]) && name[index] != '_')
return false;
}
return true;
}
const std::string test_suite_name_;
CodeLocation code_location_;
TestInfoContainer tests_;
InstantiationContainer instantiations_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestSuiteInfo);
}; // class ParameterizedTestSuiteInfo
// Legacy API is deprecated but still available
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
template <class TestCase>
using ParameterizedTestCaseInfo = ParameterizedTestSuiteInfo<TestCase>;
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// ParameterizedTestSuiteRegistry contains a map of
// ParameterizedTestSuiteInfoBase classes accessed by test suite names. TEST_P
// and INSTANTIATE_TEST_SUITE_P macros use it to locate their corresponding
// ParameterizedTestSuiteInfo descriptors.
class ParameterizedTestSuiteRegistry {
public:
ParameterizedTestSuiteRegistry() {}
~ParameterizedTestSuiteRegistry() {
for (auto& test_suite_info : test_suite_infos_) {
delete test_suite_info;
}
}
// Looks up or creates and returns a structure containing information about
// tests and instantiations of a particular test suite.
template <class TestSuite>
ParameterizedTestSuiteInfo<TestSuite>* GetTestSuitePatternHolder(
const char* test_suite_name, CodeLocation code_location) {
ParameterizedTestSuiteInfo<TestSuite>* typed_test_info = nullptr;
for (auto& test_suite_info : test_suite_infos_) {
if (test_suite_info->GetTestSuiteName() == test_suite_name) {
if (test_suite_info->GetTestSuiteTypeId() != GetTypeId<TestSuite>()) {
// Complain about incorrect usage of Google Test facilities
// and terminate the program since we cannot guaranty correct
// test suite setup and tear-down in this case.
ReportInvalidTestSuiteType(test_suite_name, code_location);
posix::Abort();
} else {
// At this point we are sure that the object we found is of the same
// type we are looking for, so we downcast it to that type
// without further checks.
typed_test_info = CheckedDowncastToActualType<
ParameterizedTestSuiteInfo<TestSuite> >(test_suite_info);
}
break;
}
}
if (typed_test_info == nullptr) {
typed_test_info = new ParameterizedTestSuiteInfo<TestSuite>(
test_suite_name, code_location);
test_suite_infos_.push_back(typed_test_info);
}
return typed_test_info;
}
void RegisterTests() {
for (auto& test_suite_info : test_suite_infos_) {
test_suite_info->RegisterTests();
}
}
// Legacy API is deprecated but still available
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
template <class TestCase>
ParameterizedTestCaseInfo<TestCase>* GetTestCasePatternHolder(
const char* test_case_name, CodeLocation code_location) {
return GetTestSuitePatternHolder<TestCase>(test_case_name, code_location);
}
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
private:
using TestSuiteInfoContainer = ::std::vector<ParameterizedTestSuiteInfoBase*>;
TestSuiteInfoContainer test_suite_infos_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestSuiteRegistry);
};
// Keep track of what type-parameterized test suite are defined and
// where as well as which are intatiated. This allows susequently
// identifying suits that are defined but never used.
class TypeParameterizedTestSuiteRegistry {
public:
// Add a suite definition
void RegisterTestSuite(const char* test_suite_name,
CodeLocation code_location);
// Add an instantiation of a suit.
void RegisterInstantiation(const char* test_suite_name);
// For each suit repored as defined but not reported as instantiation,
// emit a test that reports that fact (configurably, as an error).
void CheckForInstantiations();
private:
struct TypeParameterizedTestSuiteInfo {
explicit TypeParameterizedTestSuiteInfo(CodeLocation c)
: code_location(c), instantiated(false) {}
CodeLocation code_location;
bool instantiated;
};
std::map<std::string, TypeParameterizedTestSuiteInfo> suites_;
};
} // namespace internal
// Forward declarations of ValuesIn(), which is implemented in
// include/gtest/gtest-param-test.h.
template <class Container>
internal::ParamGenerator<typename Container::value_type> ValuesIn(
const Container& container);
namespace internal {
// Used in the Values() function to provide polymorphic capabilities.
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4100)
#endif
template <typename... Ts>
class ValueArray {
public:
explicit ValueArray(Ts... v) : v_(FlatTupleConstructTag{}, std::move(v)...) {}
template <typename T>
operator ParamGenerator<T>() const { // NOLINT
return ValuesIn(MakeVector<T>(MakeIndexSequence<sizeof...(Ts)>()));
}
private:
template <typename T, size_t... I>
std::vector<T> MakeVector(IndexSequence<I...>) const {
return std::vector<T>{static_cast<T>(v_.template Get<I>())...};
}
FlatTuple<Ts...> v_;
};
#ifdef _MSC_VER
#pragma warning(pop)
#endif
template <typename... T>
class CartesianProductGenerator
: public ParamGeneratorInterface<::std::tuple<T...>> {
public:
typedef ::std::tuple<T...> ParamType;
CartesianProductGenerator(const std::tuple<ParamGenerator<T>...>& g)
: generators_(g) {}
~CartesianProductGenerator() override {}
ParamIteratorInterface<ParamType>* Begin() const override {
return new Iterator(this, generators_, false);
}
ParamIteratorInterface<ParamType>* End() const override {
return new Iterator(this, generators_, true);
}
private:
template <class I>
class IteratorImpl;
template <size_t... I>
class IteratorImpl<IndexSequence<I...>>
: public ParamIteratorInterface<ParamType> {
public:
IteratorImpl(const ParamGeneratorInterface<ParamType>* base,
const std::tuple<ParamGenerator<T>...>& generators, bool is_end)
: base_(base),
begin_(std::get<I>(generators).begin()...),
end_(std::get<I>(generators).end()...),
current_(is_end ? end_ : begin_) {
ComputeCurrentValue();
}
~IteratorImpl() override {}
const ParamGeneratorInterface<ParamType>* BaseGenerator() const override {
return base_;
}
// Advance should not be called on beyond-of-range iterators
// so no component iterators must be beyond end of range, either.
void Advance() override {
assert(!AtEnd());
// Advance the last iterator.
++std::get<sizeof...(T) - 1>(current_);
// if that reaches end, propagate that up.
AdvanceIfEnd<sizeof...(T) - 1>();
ComputeCurrentValue();
}
ParamIteratorInterface<ParamType>* Clone() const override {
return new IteratorImpl(*this);
}
const ParamType* Current() const override { return current_value_.get(); }
bool Equals(const ParamIteratorInterface<ParamType>& other) const override {
// Having the same base generator guarantees that the other
// iterator is of the same type and we can downcast.
GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
<< "The program attempted to compare iterators "
<< "from different generators." << std::endl;
const IteratorImpl* typed_other =
CheckedDowncastToActualType<const IteratorImpl>(&other);
// We must report iterators equal if they both point beyond their
// respective ranges. That can happen in a variety of fashions,
// so we have to consult AtEnd().
if (AtEnd() && typed_other->AtEnd()) return true;
bool same = true;
bool dummy[] = {
(same = same && std::get<I>(current_) ==
std::get<I>(typed_other->current_))...};
(void)dummy;
return same;
}
private:
template <size_t ThisI>
void AdvanceIfEnd() {
if (std::get<ThisI>(current_) != std::get<ThisI>(end_)) return;
bool last = ThisI == 0;
if (last) {
// We are done. Nothing else to propagate.
return;
}
constexpr size_t NextI = ThisI - (ThisI != 0);
std::get<ThisI>(current_) = std::get<ThisI>(begin_);
++std::get<NextI>(current_);
AdvanceIfEnd<NextI>();
}
void ComputeCurrentValue() {
if (!AtEnd())
current_value_ = std::make_shared<ParamType>(*std::get<I>(current_)...);
}
bool AtEnd() const {
bool at_end = false;
bool dummy[] = {
(at_end = at_end || std::get<I>(current_) == std::get<I>(end_))...};
(void)dummy;
return at_end;
}
const ParamGeneratorInterface<ParamType>* const base_;
std::tuple<typename ParamGenerator<T>::iterator...> begin_;
std::tuple<typename ParamGenerator<T>::iterator...> end_;
std::tuple<typename ParamGenerator<T>::iterator...> current_;
std::shared_ptr<ParamType> current_value_;
};
using Iterator = IteratorImpl<typename MakeIndexSequence<sizeof...(T)>::type>;
std::tuple<ParamGenerator<T>...> generators_;
};
template <class... Gen>
class CartesianProductHolder {
public:
CartesianProductHolder(const Gen&... g) : generators_(g...) {}
template <typename... T>
operator ParamGenerator<::std::tuple<T...>>() const {
return ParamGenerator<::std::tuple<T...>>(
new CartesianProductGenerator<T...>(generators_));
}
private:
std::tuple<Gen...> generators_;
};
} // namespace internal
} // namespace testing
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_

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// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The Google C++ Testing and Mocking Framework (Google Test)
//
// This header file defines the GTEST_OS_* macro.
// It is separate from gtest-port.h so that custom/gtest-port.h can include it.
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_ARCH_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_ARCH_H_
// Determines the platform on which Google Test is compiled.
#ifdef __CYGWIN__
# define GTEST_OS_CYGWIN 1
# elif defined(__MINGW__) || defined(__MINGW32__) || defined(__MINGW64__)
# define GTEST_OS_WINDOWS_MINGW 1
# define GTEST_OS_WINDOWS 1
#elif defined _WIN32
# define GTEST_OS_WINDOWS 1
# ifdef _WIN32_WCE
# define GTEST_OS_WINDOWS_MOBILE 1
# elif defined(WINAPI_FAMILY)
# include <winapifamily.h>
# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
# define GTEST_OS_WINDOWS_DESKTOP 1
# elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_PHONE_APP)
# define GTEST_OS_WINDOWS_PHONE 1
# elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
# define GTEST_OS_WINDOWS_RT 1
# elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_TV_TITLE)
# define GTEST_OS_WINDOWS_PHONE 1
# define GTEST_OS_WINDOWS_TV_TITLE 1
# else
// WINAPI_FAMILY defined but no known partition matched.
// Default to desktop.
# define GTEST_OS_WINDOWS_DESKTOP 1
# endif
# else
# define GTEST_OS_WINDOWS_DESKTOP 1
# endif // _WIN32_WCE
#elif defined __OS2__
# define GTEST_OS_OS2 1
#elif defined __APPLE__
# define GTEST_OS_MAC 1
# include <TargetConditionals.h>
# if TARGET_OS_IPHONE
# define GTEST_OS_IOS 1
# endif
#elif defined __DragonFly__
# define GTEST_OS_DRAGONFLY 1
#elif defined __FreeBSD__
# define GTEST_OS_FREEBSD 1
#elif defined __Fuchsia__
# define GTEST_OS_FUCHSIA 1
#elif defined(__GLIBC__) && defined(__FreeBSD_kernel__)
# define GTEST_OS_GNU_KFREEBSD 1
#elif defined __linux__
# define GTEST_OS_LINUX 1
# if defined __ANDROID__
# define GTEST_OS_LINUX_ANDROID 1
# endif
#elif defined __MVS__
# define GTEST_OS_ZOS 1
#elif defined(__sun) && defined(__SVR4)
# define GTEST_OS_SOLARIS 1
#elif defined(_AIX)
# define GTEST_OS_AIX 1
#elif defined(__hpux)
# define GTEST_OS_HPUX 1
#elif defined __native_client__
# define GTEST_OS_NACL 1
#elif defined __NetBSD__
# define GTEST_OS_NETBSD 1
#elif defined __OpenBSD__
# define GTEST_OS_OPENBSD 1
#elif defined __QNX__
# define GTEST_OS_QNX 1
#elif defined(__HAIKU__)
#define GTEST_OS_HAIKU 1
#elif defined ESP8266
#define GTEST_OS_ESP8266 1
#elif defined ESP32
#define GTEST_OS_ESP32 1
#endif // __CYGWIN__
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_ARCH_H_

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// Copyright 2005, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The Google C++ Testing and Mocking Framework (Google Test)
//
// This header file declares the String class and functions used internally by
// Google Test. They are subject to change without notice. They should not used
// by code external to Google Test.
//
// This header file is #included by gtest-internal.h.
// It should not be #included by other files.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
#ifdef __BORLANDC__
// string.h is not guaranteed to provide strcpy on C++ Builder.
# include <mem.h>
#endif
#include <string.h>
#include <cstdint>
#include <string>
#include "gtest/internal/gtest-port.h"
namespace testing {
namespace internal {
// String - an abstract class holding static string utilities.
class GTEST_API_ String {
public:
// Static utility methods
// Clones a 0-terminated C string, allocating memory using new. The
// caller is responsible for deleting the return value using
// delete[]. Returns the cloned string, or NULL if the input is
// NULL.
//
// This is different from strdup() in string.h, which allocates
// memory using malloc().
static const char* CloneCString(const char* c_str);
#if GTEST_OS_WINDOWS_MOBILE
// Windows CE does not have the 'ANSI' versions of Win32 APIs. To be
// able to pass strings to Win32 APIs on CE we need to convert them
// to 'Unicode', UTF-16.
// Creates a UTF-16 wide string from the given ANSI string, allocating
// memory using new. The caller is responsible for deleting the return
// value using delete[]. Returns the wide string, or NULL if the
// input is NULL.
//
// The wide string is created using the ANSI codepage (CP_ACP) to
// match the behaviour of the ANSI versions of Win32 calls and the
// C runtime.
static LPCWSTR AnsiToUtf16(const char* c_str);
// Creates an ANSI string from the given wide string, allocating
// memory using new. The caller is responsible for deleting the return
// value using delete[]. Returns the ANSI string, or NULL if the
// input is NULL.
//
// The returned string is created using the ANSI codepage (CP_ACP) to
// match the behaviour of the ANSI versions of Win32 calls and the
// C runtime.
static const char* Utf16ToAnsi(LPCWSTR utf16_str);
#endif
// Compares two C strings. Returns true if and only if they have the same
// content.
//
// Unlike strcmp(), this function can handle NULL argument(s). A
// NULL C string is considered different to any non-NULL C string,
// including the empty string.
static bool CStringEquals(const char* lhs, const char* rhs);
// Converts a wide C string to a String using the UTF-8 encoding.
// NULL will be converted to "(null)". If an error occurred during
// the conversion, "(failed to convert from wide string)" is
// returned.
static std::string ShowWideCString(const wchar_t* wide_c_str);
// Compares two wide C strings. Returns true if and only if they have the
// same content.
//
// Unlike wcscmp(), this function can handle NULL argument(s). A
// NULL C string is considered different to any non-NULL C string,
// including the empty string.
static bool WideCStringEquals(const wchar_t* lhs, const wchar_t* rhs);
// Compares two C strings, ignoring case. Returns true if and only if
// they have the same content.
//
// Unlike strcasecmp(), this function can handle NULL argument(s).
// A NULL C string is considered different to any non-NULL C string,
// including the empty string.
static bool CaseInsensitiveCStringEquals(const char* lhs,
const char* rhs);
// Compares two wide C strings, ignoring case. Returns true if and only if
// they have the same content.
//
// Unlike wcscasecmp(), this function can handle NULL argument(s).
// A NULL C string is considered different to any non-NULL wide C string,
// including the empty string.
// NB: The implementations on different platforms slightly differ.
// On windows, this method uses _wcsicmp which compares according to LC_CTYPE
// environment variable. On GNU platform this method uses wcscasecmp
// which compares according to LC_CTYPE category of the current locale.
// On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
// current locale.
static bool CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
const wchar_t* rhs);
// Returns true if and only if the given string ends with the given suffix,
// ignoring case. Any string is considered to end with an empty suffix.
static bool EndsWithCaseInsensitive(
const std::string& str, const std::string& suffix);
// Formats an int value as "%02d".
static std::string FormatIntWidth2(int value); // "%02d" for width == 2
// Formats an int value to given width with leading zeros.
static std::string FormatIntWidthN(int value, int width);
// Formats an int value as "%X".
static std::string FormatHexInt(int value);
// Formats an int value as "%X".
static std::string FormatHexUInt32(uint32_t value);
// Formats a byte as "%02X".
static std::string FormatByte(unsigned char value);
private:
String(); // Not meant to be instantiated.
}; // class String
// Gets the content of the stringstream's buffer as an std::string. Each '\0'
// character in the buffer is replaced with "\\0".
GTEST_API_ std::string StringStreamToString(::std::stringstream* stream);
} // namespace internal
} // namespace testing
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_

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// Copyright 2008 Google Inc.
// All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Type utilities needed for implementing typed and type-parameterized
// tests.
// GOOGLETEST_CM0001 DO NOT DELETE
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_
#include "gtest/internal/gtest-port.h"
// #ifdef __GNUC__ is too general here. It is possible to use gcc without using
// libstdc++ (which is where cxxabi.h comes from).
# if GTEST_HAS_CXXABI_H_
# include <cxxabi.h>
# elif defined(__HP_aCC)
# include <acxx_demangle.h>
# endif // GTEST_HASH_CXXABI_H_
namespace testing {
namespace internal {
// Canonicalizes a given name with respect to the Standard C++ Library.
// This handles removing the inline namespace within `std` that is
// used by various standard libraries (e.g., `std::__1`). Names outside
// of namespace std are returned unmodified.
inline std::string CanonicalizeForStdLibVersioning(std::string s) {
static const char prefix[] = "std::__";
if (s.compare(0, strlen(prefix), prefix) == 0) {
std::string::size_type end = s.find("::", strlen(prefix));
if (end != s.npos) {
// Erase everything between the initial `std` and the second `::`.
s.erase(strlen("std"), end - strlen("std"));
}
}
return s;
}
#if GTEST_HAS_RTTI
// GetTypeName(const std::type_info&) returns a human-readable name of type T.
inline std::string GetTypeName(const std::type_info& type) {
const char* const name = type.name();
#if GTEST_HAS_CXXABI_H_ || defined(__HP_aCC)
int status = 0;
// gcc's implementation of typeid(T).name() mangles the type name,
// so we have to demangle it.
#if GTEST_HAS_CXXABI_H_
using abi::__cxa_demangle;
#endif // GTEST_HAS_CXXABI_H_
char* const readable_name = __cxa_demangle(name, nullptr, nullptr, &status);
const std::string name_str(status == 0 ? readable_name : name);
free(readable_name);
return CanonicalizeForStdLibVersioning(name_str);
#else
return name;
#endif // GTEST_HAS_CXXABI_H_ || __HP_aCC
}
#endif // GTEST_HAS_RTTI
// GetTypeName<T>() returns a human-readable name of type T if and only if
// RTTI is enabled, otherwise it returns a dummy type name.
// NB: This function is also used in Google Mock, so don't move it inside of
// the typed-test-only section below.
template <typename T>
std::string GetTypeName() {
#if GTEST_HAS_RTTI
return GetTypeName(typeid(T));
#else
return "<type>";
#endif // GTEST_HAS_RTTI
}
#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
// A unique type indicating an empty node
struct None {};
# define GTEST_TEMPLATE_ template <typename T> class
// The template "selector" struct TemplateSel<Tmpl> is used to
// represent Tmpl, which must be a class template with one type
// parameter, as a type. TemplateSel<Tmpl>::Bind<T>::type is defined
// as the type Tmpl<T>. This allows us to actually instantiate the
// template "selected" by TemplateSel<Tmpl>.
//
// This trick is necessary for simulating typedef for class templates,
// which C++ doesn't support directly.
template <GTEST_TEMPLATE_ Tmpl>
struct TemplateSel {
template <typename T>
struct Bind {
typedef Tmpl<T> type;
};
};
# define GTEST_BIND_(TmplSel, T) \
TmplSel::template Bind<T>::type
template <GTEST_TEMPLATE_ Head_, GTEST_TEMPLATE_... Tail_>
struct Templates {
using Head = TemplateSel<Head_>;
using Tail = Templates<Tail_...>;
};
template <GTEST_TEMPLATE_ Head_>
struct Templates<Head_> {
using Head = TemplateSel<Head_>;
using Tail = None;
};
// Tuple-like type lists
template <typename Head_, typename... Tail_>
struct Types {
using Head = Head_;
using Tail = Types<Tail_...>;
};
template <typename Head_>
struct Types<Head_> {
using Head = Head_;
using Tail = None;
};
// Helper metafunctions to tell apart a single type from types
// generated by ::testing::Types
template <typename... Ts>
struct ProxyTypeList {
using type = Types<Ts...>;
};
template <typename>
struct is_proxy_type_list : std::false_type {};
template <typename... Ts>
struct is_proxy_type_list<ProxyTypeList<Ts...>> : std::true_type {};
// Generator which conditionally creates type lists.
// It recognizes if a requested type list should be created
// and prevents creating a new type list nested within another one.
template <typename T>
struct GenerateTypeList {
private:
using proxy = typename std::conditional<is_proxy_type_list<T>::value, T,
ProxyTypeList<T>>::type;
public:
using type = typename proxy::type;
};
#endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
} // namespace internal
template <typename... Ts>
using Types = internal::ProxyTypeList<Ts...>;
} // namespace testing
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_TYPE_UTIL_H_

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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Google C++ Testing and Mocking Framework (Google Test)
//
// Sometimes it's desirable to build Google Test by compiling a single file.
// This file serves this purpose.
// This line ensures that gtest.h can be compiled on its own, even
// when it's fused.
#include "gtest/gtest.h"
// The following lines pull in the real gtest *.cc files.
#include "src/gtest.cc"
#include "src/gtest-death-test.cc"
#include "src/gtest-filepath.cc"
#include "src/gtest-matchers.cc"
#include "src/gtest-port.cc"
#include "src/gtest-printers.cc"
#include "src/gtest-test-part.cc"
#include "src/gtest-typed-test.cc"

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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "gtest/internal/gtest-filepath.h"
#include <stdlib.h>
#include "gtest/internal/gtest-port.h"
#include "gtest/gtest-message.h"
#if GTEST_OS_WINDOWS_MOBILE
# include <windows.h>
#elif GTEST_OS_WINDOWS
# include <direct.h>
# include <io.h>
#else
# include <limits.h>
# include <climits> // Some Linux distributions define PATH_MAX here.
#endif // GTEST_OS_WINDOWS_MOBILE
#include "gtest/internal/gtest-string.h"
#if GTEST_OS_WINDOWS
# define GTEST_PATH_MAX_ _MAX_PATH
#elif defined(PATH_MAX)
# define GTEST_PATH_MAX_ PATH_MAX
#elif defined(_XOPEN_PATH_MAX)
# define GTEST_PATH_MAX_ _XOPEN_PATH_MAX
#else
# define GTEST_PATH_MAX_ _POSIX_PATH_MAX
#endif // GTEST_OS_WINDOWS
namespace testing {
namespace internal {
#if GTEST_OS_WINDOWS
// On Windows, '\\' is the standard path separator, but many tools and the
// Windows API also accept '/' as an alternate path separator. Unless otherwise
// noted, a file path can contain either kind of path separators, or a mixture
// of them.
const char kPathSeparator = '\\';
const char kAlternatePathSeparator = '/';
const char kAlternatePathSeparatorString[] = "/";
# if GTEST_OS_WINDOWS_MOBILE
// Windows CE doesn't have a current directory. You should not use
// the current directory in tests on Windows CE, but this at least
// provides a reasonable fallback.
const char kCurrentDirectoryString[] = "\\";
// Windows CE doesn't define INVALID_FILE_ATTRIBUTES
const DWORD kInvalidFileAttributes = 0xffffffff;
# else
const char kCurrentDirectoryString[] = ".\\";
# endif // GTEST_OS_WINDOWS_MOBILE
#else
const char kPathSeparator = '/';
const char kCurrentDirectoryString[] = "./";
#endif // GTEST_OS_WINDOWS
// Returns whether the given character is a valid path separator.
static bool IsPathSeparator(char c) {
#if GTEST_HAS_ALT_PATH_SEP_
return (c == kPathSeparator) || (c == kAlternatePathSeparator);
#else
return c == kPathSeparator;
#endif
}
// Returns the current working directory, or "" if unsuccessful.
FilePath FilePath::GetCurrentDir() {
#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE || \
GTEST_OS_WINDOWS_RT || GTEST_OS_ESP8266 || GTEST_OS_ESP32
// These platforms do not have a current directory, so we just return
// something reasonable.
return FilePath(kCurrentDirectoryString);
#elif GTEST_OS_WINDOWS
char cwd[GTEST_PATH_MAX_ + 1] = { '\0' };
return FilePath(_getcwd(cwd, sizeof(cwd)) == nullptr ? "" : cwd);
#else
char cwd[GTEST_PATH_MAX_ + 1] = { '\0' };
char* result = getcwd(cwd, sizeof(cwd));
# if GTEST_OS_NACL
// getcwd will likely fail in NaCl due to the sandbox, so return something
// reasonable. The user may have provided a shim implementation for getcwd,
// however, so fallback only when failure is detected.
return FilePath(result == nullptr ? kCurrentDirectoryString : cwd);
# endif // GTEST_OS_NACL
return FilePath(result == nullptr ? "" : cwd);
#endif // GTEST_OS_WINDOWS_MOBILE
}
// Returns a copy of the FilePath with the case-insensitive extension removed.
// Example: FilePath("dir/file.exe").RemoveExtension("EXE") returns
// FilePath("dir/file"). If a case-insensitive extension is not
// found, returns a copy of the original FilePath.
FilePath FilePath::RemoveExtension(const char* extension) const {
const std::string dot_extension = std::string(".") + extension;
if (String::EndsWithCaseInsensitive(pathname_, dot_extension)) {
return FilePath(pathname_.substr(
0, pathname_.length() - dot_extension.length()));
}
return *this;
}
// Returns a pointer to the last occurrence of a valid path separator in
// the FilePath. On Windows, for example, both '/' and '\' are valid path
// separators. Returns NULL if no path separator was found.
const char* FilePath::FindLastPathSeparator() const {
const char* const last_sep = strrchr(c_str(), kPathSeparator);
#if GTEST_HAS_ALT_PATH_SEP_
const char* const last_alt_sep = strrchr(c_str(), kAlternatePathSeparator);
// Comparing two pointers of which only one is NULL is undefined.
if (last_alt_sep != nullptr &&
(last_sep == nullptr || last_alt_sep > last_sep)) {
return last_alt_sep;
}
#endif
return last_sep;
}
// Returns a copy of the FilePath with the directory part removed.
// Example: FilePath("path/to/file").RemoveDirectoryName() returns
// FilePath("file"). If there is no directory part ("just_a_file"), it returns
// the FilePath unmodified. If there is no file part ("just_a_dir/") it
// returns an empty FilePath ("").
// On Windows platform, '\' is the path separator, otherwise it is '/'.
FilePath FilePath::RemoveDirectoryName() const {
const char* const last_sep = FindLastPathSeparator();
return last_sep ? FilePath(last_sep + 1) : *this;
}
// RemoveFileName returns the directory path with the filename removed.
// Example: FilePath("path/to/file").RemoveFileName() returns "path/to/".
// If the FilePath is "a_file" or "/a_file", RemoveFileName returns
// FilePath("./") or, on Windows, FilePath(".\\"). If the filepath does
// not have a file, like "just/a/dir/", it returns the FilePath unmodified.
// On Windows platform, '\' is the path separator, otherwise it is '/'.
FilePath FilePath::RemoveFileName() const {
const char* const last_sep = FindLastPathSeparator();
std::string dir;
if (last_sep) {
dir = std::string(c_str(), static_cast<size_t>(last_sep + 1 - c_str()));
} else {
dir = kCurrentDirectoryString;
}
return FilePath(dir);
}
// Helper functions for naming files in a directory for xml output.
// Given directory = "dir", base_name = "test", number = 0,
// extension = "xml", returns "dir/test.xml". If number is greater
// than zero (e.g., 12), returns "dir/test_12.xml".
// On Windows platform, uses \ as the separator rather than /.
FilePath FilePath::MakeFileName(const FilePath& directory,
const FilePath& base_name,
int number,
const char* extension) {
std::string file;
if (number == 0) {
file = base_name.string() + "." + extension;
} else {
file = base_name.string() + "_" + StreamableToString(number)
+ "." + extension;
}
return ConcatPaths(directory, FilePath(file));
}
// Given directory = "dir", relative_path = "test.xml", returns "dir/test.xml".
// On Windows, uses \ as the separator rather than /.
FilePath FilePath::ConcatPaths(const FilePath& directory,
const FilePath& relative_path) {
if (directory.IsEmpty())
return relative_path;
const FilePath dir(directory.RemoveTrailingPathSeparator());
return FilePath(dir.string() + kPathSeparator + relative_path.string());
}
// Returns true if pathname describes something findable in the file-system,
// either a file, directory, or whatever.
bool FilePath::FileOrDirectoryExists() const {
#if GTEST_OS_WINDOWS_MOBILE
LPCWSTR unicode = String::AnsiToUtf16(pathname_.c_str());
const DWORD attributes = GetFileAttributes(unicode);
delete [] unicode;
return attributes != kInvalidFileAttributes;
#else
posix::StatStruct file_stat;
return posix::Stat(pathname_.c_str(), &file_stat) == 0;
#endif // GTEST_OS_WINDOWS_MOBILE
}
// Returns true if pathname describes a directory in the file-system
// that exists.
bool FilePath::DirectoryExists() const {
bool result = false;
#if GTEST_OS_WINDOWS
// Don't strip off trailing separator if path is a root directory on
// Windows (like "C:\\").
const FilePath& path(IsRootDirectory() ? *this :
RemoveTrailingPathSeparator());
#else
const FilePath& path(*this);
#endif
#if GTEST_OS_WINDOWS_MOBILE
LPCWSTR unicode = String::AnsiToUtf16(path.c_str());
const DWORD attributes = GetFileAttributes(unicode);
delete [] unicode;
if ((attributes != kInvalidFileAttributes) &&
(attributes & FILE_ATTRIBUTE_DIRECTORY)) {
result = true;
}
#else
posix::StatStruct file_stat;
result = posix::Stat(path.c_str(), &file_stat) == 0 &&
posix::IsDir(file_stat);
#endif // GTEST_OS_WINDOWS_MOBILE
return result;
}
// Returns true if pathname describes a root directory. (Windows has one
// root directory per disk drive.)
bool FilePath::IsRootDirectory() const {
#if GTEST_OS_WINDOWS
return pathname_.length() == 3 && IsAbsolutePath();
#else
return pathname_.length() == 1 && IsPathSeparator(pathname_.c_str()[0]);
#endif
}
// Returns true if pathname describes an absolute path.
bool FilePath::IsAbsolutePath() const {
const char* const name = pathname_.c_str();
#if GTEST_OS_WINDOWS
return pathname_.length() >= 3 &&
((name[0] >= 'a' && name[0] <= 'z') ||
(name[0] >= 'A' && name[0] <= 'Z')) &&
name[1] == ':' &&
IsPathSeparator(name[2]);
#else
return IsPathSeparator(name[0]);
#endif
}
// Returns a pathname for a file that does not currently exist. The pathname
// will be directory/base_name.extension or
// directory/base_name_<number>.extension if directory/base_name.extension
// already exists. The number will be incremented until a pathname is found
// that does not already exist.
// Examples: 'dir/foo_test.xml' or 'dir/foo_test_1.xml'.
// There could be a race condition if two or more processes are calling this
// function at the same time -- they could both pick the same filename.
FilePath FilePath::GenerateUniqueFileName(const FilePath& directory,
const FilePath& base_name,
const char* extension) {
FilePath full_pathname;
int number = 0;
do {
full_pathname.Set(MakeFileName(directory, base_name, number++, extension));
} while (full_pathname.FileOrDirectoryExists());
return full_pathname;
}
// Returns true if FilePath ends with a path separator, which indicates that
// it is intended to represent a directory. Returns false otherwise.
// This does NOT check that a directory (or file) actually exists.
bool FilePath::IsDirectory() const {
return !pathname_.empty() &&
IsPathSeparator(pathname_.c_str()[pathname_.length() - 1]);
}
// Create directories so that path exists. Returns true if successful or if
// the directories already exist; returns false if unable to create directories
// for any reason.
bool FilePath::CreateDirectoriesRecursively() const {
if (!this->IsDirectory()) {
return false;
}
if (pathname_.length() == 0 || this->DirectoryExists()) {
return true;
}
const FilePath parent(this->RemoveTrailingPathSeparator().RemoveFileName());
return parent.CreateDirectoriesRecursively() && this->CreateFolder();
}
// Create the directory so that path exists. Returns true if successful or
// if the directory already exists; returns false if unable to create the
// directory for any reason, including if the parent directory does not
// exist. Not named "CreateDirectory" because that's a macro on Windows.
bool FilePath::CreateFolder() const {
#if GTEST_OS_WINDOWS_MOBILE
FilePath removed_sep(this->RemoveTrailingPathSeparator());
LPCWSTR unicode = String::AnsiToUtf16(removed_sep.c_str());
int result = CreateDirectory(unicode, nullptr) ? 0 : -1;
delete [] unicode;
#elif GTEST_OS_WINDOWS
int result = _mkdir(pathname_.c_str());
#elif GTEST_OS_ESP8266
// do nothing
int result = 0;
#else
int result = mkdir(pathname_.c_str(), 0777);
#endif // GTEST_OS_WINDOWS_MOBILE
if (result == -1) {
return this->DirectoryExists(); // An error is OK if the directory exists.
}
return true; // No error.
}
// If input name has a trailing separator character, remove it and return the
// name, otherwise return the name string unmodified.
// On Windows platform, uses \ as the separator, other platforms use /.
FilePath FilePath::RemoveTrailingPathSeparator() const {
return IsDirectory()
? FilePath(pathname_.substr(0, pathname_.length() - 1))
: *this;
}
// Removes any redundant separators that might be in the pathname.
// For example, "bar///foo" becomes "bar/foo". Does not eliminate other
// redundancies that might be in a pathname involving "." or "..".
void FilePath::Normalize() {
auto out = pathname_.begin();
for (const char character : pathname_) {
if (!IsPathSeparator(character)) {
*(out++) = character;
} else if (out == pathname_.begin() || *std::prev(out) != kPathSeparator) {
*(out++) = kPathSeparator;
} else {
continue;
}
}
pathname_.erase(out, pathname_.end());
}
} // namespace internal
} // namespace testing

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// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// The Google C++ Testing and Mocking Framework (Google Test)
//
// This file implements just enough of the matcher interface to allow
// EXPECT_DEATH and friends to accept a matcher argument.
#include "gtest/internal/gtest-internal.h"
#include "gtest/internal/gtest-port.h"
#include "gtest/gtest-matchers.h"
#include <string>
namespace testing {
// Constructs a matcher that matches a const std::string& whose value is
// equal to s.
Matcher<const std::string&>::Matcher(const std::string& s) { *this = Eq(s); }
// Constructs a matcher that matches a const std::string& whose value is
// equal to s.
Matcher<const std::string&>::Matcher(const char* s) {
*this = Eq(std::string(s));
}
// Constructs a matcher that matches a std::string whose value is equal to
// s.
Matcher<std::string>::Matcher(const std::string& s) { *this = Eq(s); }
// Constructs a matcher that matches a std::string whose value is equal to
// s.
Matcher<std::string>::Matcher(const char* s) { *this = Eq(std::string(s)); }
#if GTEST_INTERNAL_HAS_STRING_VIEW
// Constructs a matcher that matches a const StringView& whose value is
// equal to s.
Matcher<const internal::StringView&>::Matcher(const std::string& s) {
*this = Eq(s);
}
// Constructs a matcher that matches a const StringView& whose value is
// equal to s.
Matcher<const internal::StringView&>::Matcher(const char* s) {
*this = Eq(std::string(s));
}
// Constructs a matcher that matches a const StringView& whose value is
// equal to s.
Matcher<const internal::StringView&>::Matcher(internal::StringView s) {
*this = Eq(std::string(s));
}
// Constructs a matcher that matches a StringView whose value is equal to
// s.
Matcher<internal::StringView>::Matcher(const std::string& s) { *this = Eq(s); }
// Constructs a matcher that matches a StringView whose value is equal to
// s.
Matcher<internal::StringView>::Matcher(const char* s) {
*this = Eq(std::string(s));
}
// Constructs a matcher that matches a StringView whose value is equal to
// s.
Matcher<internal::StringView>::Matcher(internal::StringView s) {
*this = Eq(std::string(s));
}
#endif // GTEST_INTERNAL_HAS_STRING_VIEW
} // namespace testing

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// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Google Test - The Google C++ Testing and Mocking Framework
//
// This file implements a universal value printer that can print a
// value of any type T:
//
// void ::testing::internal::UniversalPrinter<T>::Print(value, ostream_ptr);
//
// It uses the << operator when possible, and prints the bytes in the
// object otherwise. A user can override its behavior for a class
// type Foo by defining either operator<<(::std::ostream&, const Foo&)
// or void PrintTo(const Foo&, ::std::ostream*) in the namespace that
// defines Foo.
#include "gtest/gtest-printers.h"
#include <stdio.h>
#include <cctype>
#include <cstdint>
#include <cwchar>
#include <ostream> // NOLINT
#include <string>
#include "gtest/internal/gtest-port.h"
#include "src/gtest-internal-inl.h"
namespace testing {
namespace {
using ::std::ostream;
// Prints a segment of bytes in the given object.
GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
void PrintByteSegmentInObjectTo(const unsigned char* obj_bytes, size_t start,
size_t count, ostream* os) {
char text[5] = "";
for (size_t i = 0; i != count; i++) {
const size_t j = start + i;
if (i != 0) {
// Organizes the bytes into groups of 2 for easy parsing by
// human.
if ((j % 2) == 0)
*os << ' ';
else
*os << '-';
}
GTEST_SNPRINTF_(text, sizeof(text), "%02X", obj_bytes[j]);
*os << text;
}
}
// Prints the bytes in the given value to the given ostream.
void PrintBytesInObjectToImpl(const unsigned char* obj_bytes, size_t count,
ostream* os) {
// Tells the user how big the object is.
*os << count << "-byte object <";
const size_t kThreshold = 132;
const size_t kChunkSize = 64;
// If the object size is bigger than kThreshold, we'll have to omit
// some details by printing only the first and the last kChunkSize
// bytes.
if (count < kThreshold) {
PrintByteSegmentInObjectTo(obj_bytes, 0, count, os);
} else {
PrintByteSegmentInObjectTo(obj_bytes, 0, kChunkSize, os);
*os << " ... ";
// Rounds up to 2-byte boundary.
const size_t resume_pos = (count - kChunkSize + 1)/2*2;
PrintByteSegmentInObjectTo(obj_bytes, resume_pos, count - resume_pos, os);
}
*os << ">";
}
} // namespace
namespace internal {
// Delegates to PrintBytesInObjectToImpl() to print the bytes in the
// given object. The delegation simplifies the implementation, which
// uses the << operator and thus is easier done outside of the
// ::testing::internal namespace, which contains a << operator that
// sometimes conflicts with the one in STL.
void PrintBytesInObjectTo(const unsigned char* obj_bytes, size_t count,
ostream* os) {
PrintBytesInObjectToImpl(obj_bytes, count, os);
}
// Depending on the value of a char (or wchar_t), we print it in one
// of three formats:
// - as is if it's a printable ASCII (e.g. 'a', '2', ' '),
// - as a hexadecimal escape sequence (e.g. '\x7F'), or
// - as a special escape sequence (e.g. '\r', '\n').
enum CharFormat {
kAsIs,
kHexEscape,
kSpecialEscape
};
// Returns true if c is a printable ASCII character. We test the
// value of c directly instead of calling isprint(), which is buggy on
// Windows Mobile.
inline bool IsPrintableAscii(wchar_t c) {
return 0x20 <= c && c <= 0x7E;
}
// Prints a wide or narrow char c as a character literal without the
// quotes, escaping it when necessary; returns how c was formatted.
// The template argument UnsignedChar is the unsigned version of Char,
// which is the type of c.
template <typename UnsignedChar, typename Char>
static CharFormat PrintAsCharLiteralTo(Char c, ostream* os) {
wchar_t w_c = static_cast<wchar_t>(c);
switch (w_c) {
case L'\0':
*os << "\\0";
break;
case L'\'':
*os << "\\'";
break;
case L'\\':
*os << "\\\\";
break;
case L'\a':
*os << "\\a";
break;
case L'\b':
*os << "\\b";
break;
case L'\f':
*os << "\\f";
break;
case L'\n':
*os << "\\n";
break;
case L'\r':
*os << "\\r";
break;
case L'\t':
*os << "\\t";
break;
case L'\v':
*os << "\\v";
break;
default:
if (IsPrintableAscii(w_c)) {
*os << static_cast<char>(c);
return kAsIs;
} else {
ostream::fmtflags flags = os->flags();
*os << "\\x" << std::hex << std::uppercase
<< static_cast<int>(static_cast<UnsignedChar>(c));
os->flags(flags);
return kHexEscape;
}
}
return kSpecialEscape;
}
// Prints a wchar_t c as if it's part of a string literal, escaping it when
// necessary; returns how c was formatted.
static CharFormat PrintAsStringLiteralTo(wchar_t c, ostream* os) {
switch (c) {
case L'\'':
*os << "'";
return kAsIs;
case L'"':
*os << "\\\"";
return kSpecialEscape;
default:
return PrintAsCharLiteralTo<wchar_t>(c, os);
}
}
// Prints a char c as if it's part of a string literal, escaping it when
// necessary; returns how c was formatted.
static CharFormat PrintAsStringLiteralTo(char c, ostream* os) {
return PrintAsStringLiteralTo(
static_cast<wchar_t>(static_cast<unsigned char>(c)), os);
}
// Prints a wide or narrow character c and its code. '\0' is printed
// as "'\\0'", other unprintable characters are also properly escaped
// using the standard C++ escape sequence. The template argument
// UnsignedChar is the unsigned version of Char, which is the type of c.
template <typename UnsignedChar, typename Char>
void PrintCharAndCodeTo(Char c, ostream* os) {
// First, print c as a literal in the most readable form we can find.
*os << ((sizeof(c) > 1) ? "L'" : "'");
const CharFormat format = PrintAsCharLiteralTo<UnsignedChar>(c, os);
*os << "'";
// To aid user debugging, we also print c's code in decimal, unless
// it's 0 (in which case c was printed as '\\0', making the code
// obvious).
if (c == 0)
return;
*os << " (" << static_cast<int>(c);
// For more convenience, we print c's code again in hexadecimal,
// unless c was already printed in the form '\x##' or the code is in
// [1, 9].
if (format == kHexEscape || (1 <= c && c <= 9)) {
// Do nothing.
} else {
*os << ", 0x" << String::FormatHexInt(static_cast<int>(c));
}
*os << ")";
}
void PrintTo(unsigned char c, ::std::ostream* os) {
PrintCharAndCodeTo<unsigned char>(c, os);
}
void PrintTo(signed char c, ::std::ostream* os) {
PrintCharAndCodeTo<unsigned char>(c, os);
}
// Prints a wchar_t as a symbol if it is printable or as its internal
// code otherwise and also as its code. L'\0' is printed as "L'\\0'".
void PrintTo(wchar_t wc, ostream* os) {
PrintCharAndCodeTo<wchar_t>(wc, os);
}
void PrintTo(char32_t c, ::std::ostream* os) {
*os << std::hex << "U+" << std::uppercase << std::setfill('0') << std::setw(4)
<< static_cast<uint32_t>(c);
}
// Prints the given array of characters to the ostream. CharType must be either
// char or wchar_t.
// The array starts at begin, the length is len, it may include '\0' characters
// and may not be NUL-terminated.
template <typename CharType>
GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
static CharFormat PrintCharsAsStringTo(
const CharType* begin, size_t len, ostream* os) {
const char* const kQuoteBegin = sizeof(CharType) == 1 ? "\"" : "L\"";
*os << kQuoteBegin;
bool is_previous_hex = false;
CharFormat print_format = kAsIs;
for (size_t index = 0; index < len; ++index) {
const CharType cur = begin[index];
if (is_previous_hex && IsXDigit(cur)) {
// Previous character is of '\x..' form and this character can be
// interpreted as another hexadecimal digit in its number. Break string to
// disambiguate.
*os << "\" " << kQuoteBegin;
}
is_previous_hex = PrintAsStringLiteralTo(cur, os) == kHexEscape;
// Remember if any characters required hex escaping.
if (is_previous_hex) {
print_format = kHexEscape;
}
}
*os << "\"";
return print_format;
}
// Prints a (const) char/wchar_t array of 'len' elements, starting at address
// 'begin'. CharType must be either char or wchar_t.
template <typename CharType>
GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_
GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_
GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_
GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_
static void UniversalPrintCharArray(
const CharType* begin, size_t len, ostream* os) {
// The code
// const char kFoo[] = "foo";
// generates an array of 4, not 3, elements, with the last one being '\0'.
//
// Therefore when printing a char array, we don't print the last element if
// it's '\0', such that the output matches the string literal as it's
// written in the source code.
if (len > 0 && begin[len - 1] == '\0') {
PrintCharsAsStringTo(begin, len - 1, os);
return;
}
// If, however, the last element in the array is not '\0', e.g.
// const char kFoo[] = { 'f', 'o', 'o' };
// we must print the entire array. We also print a message to indicate
// that the array is not NUL-terminated.
PrintCharsAsStringTo(begin, len, os);
*os << " (no terminating NUL)";
}
// Prints a (const) char array of 'len' elements, starting at address 'begin'.
void UniversalPrintArray(const char* begin, size_t len, ostream* os) {
UniversalPrintCharArray(begin, len, os);
}
// Prints a (const) wchar_t array of 'len' elements, starting at address
// 'begin'.
void UniversalPrintArray(const wchar_t* begin, size_t len, ostream* os) {
UniversalPrintCharArray(begin, len, os);
}
// Prints the given C string to the ostream.
void PrintTo(const char* s, ostream* os) {
if (s == nullptr) {
*os << "NULL";
} else {
*os << ImplicitCast_<const void*>(s) << " pointing to ";
PrintCharsAsStringTo(s, strlen(s), os);
}
}
// MSVC compiler can be configured to define whar_t as a typedef
// of unsigned short. Defining an overload for const wchar_t* in that case
// would cause pointers to unsigned shorts be printed as wide strings,
// possibly accessing more memory than intended and causing invalid
// memory accesses. MSVC defines _NATIVE_WCHAR_T_DEFINED symbol when
// wchar_t is implemented as a native type.
#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED)
// Prints the given wide C string to the ostream.
void PrintTo(const wchar_t* s, ostream* os) {
if (s == nullptr) {
*os << "NULL";
} else {
*os << ImplicitCast_<const void*>(s) << " pointing to ";
PrintCharsAsStringTo(s, wcslen(s), os);
}
}
#endif // wchar_t is native
namespace {
bool ContainsUnprintableControlCodes(const char* str, size_t length) {
const unsigned char *s = reinterpret_cast<const unsigned char *>(str);
for (size_t i = 0; i < length; i++) {
unsigned char ch = *s++;
if (std::iscntrl(ch)) {
switch (ch) {
case '\t':
case '\n':
case '\r':
break;
default:
return true;
}
}
}
return false;
}
bool IsUTF8TrailByte(unsigned char t) { return 0x80 <= t && t<= 0xbf; }
bool IsValidUTF8(const char* str, size_t length) {
const unsigned char *s = reinterpret_cast<const unsigned char *>(str);
for (size_t i = 0; i < length;) {
unsigned char lead = s[i++];
if (lead <= 0x7f) {
continue; // single-byte character (ASCII) 0..7F
}
if (lead < 0xc2) {
return false; // trail byte or non-shortest form
} else if (lead <= 0xdf && (i + 1) <= length && IsUTF8TrailByte(s[i])) {
++i; // 2-byte character
} else if (0xe0 <= lead && lead <= 0xef && (i + 2) <= length &&
IsUTF8TrailByte(s[i]) &&
IsUTF8TrailByte(s[i + 1]) &&
// check for non-shortest form and surrogate
(lead != 0xe0 || s[i] >= 0xa0) &&
(lead != 0xed || s[i] < 0xa0)) {
i += 2; // 3-byte character
} else if (0xf0 <= lead && lead <= 0xf4 && (i + 3) <= length &&
IsUTF8TrailByte(s[i]) &&
IsUTF8TrailByte(s[i + 1]) &&
IsUTF8TrailByte(s[i + 2]) &&
// check for non-shortest form
(lead != 0xf0 || s[i] >= 0x90) &&
(lead != 0xf4 || s[i] < 0x90)) {
i += 3; // 4-byte character
} else {
return false;
}
}
return true;
}
void ConditionalPrintAsText(const char* str, size_t length, ostream* os) {
if (!ContainsUnprintableControlCodes(str, length) &&
IsValidUTF8(str, length)) {
*os << "\n As Text: \"" << str << "\"";
}
}
} // anonymous namespace
void PrintStringTo(const ::std::string& s, ostream* os) {
if (PrintCharsAsStringTo(s.data(), s.size(), os) == kHexEscape) {
if (GTEST_FLAG(print_utf8)) {
ConditionalPrintAsText(s.data(), s.size(), os);
}
}
}
#if GTEST_HAS_STD_WSTRING
void PrintWideStringTo(const ::std::wstring& s, ostream* os) {
PrintCharsAsStringTo(s.data(), s.size(), os);
}
#endif // GTEST_HAS_STD_WSTRING
} // namespace internal
} // namespace testing

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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The Google C++ Testing and Mocking Framework (Google Test)
#include "gtest/gtest-test-part.h"
#include "gtest/internal/gtest-port.h"
#include "src/gtest-internal-inl.h"
namespace testing {
using internal::GetUnitTestImpl;
// Gets the summary of the failure message by omitting the stack trace
// in it.
std::string TestPartResult::ExtractSummary(const char* message) {
const char* const stack_trace = strstr(message, internal::kStackTraceMarker);
return stack_trace == nullptr ? message : std::string(message, stack_trace);
}
// Prints a TestPartResult object.
std::ostream& operator<<(std::ostream& os, const TestPartResult& result) {
return os << internal::FormatFileLocation(result.file_name(),
result.line_number())
<< " "
<< (result.type() == TestPartResult::kSuccess
? "Success"
: result.type() == TestPartResult::kSkip
? "Skipped"
: result.type() == TestPartResult::kFatalFailure
? "Fatal failure"
: "Non-fatal failure")
<< ":\n"
<< result.message() << std::endl;
}
// Appends a TestPartResult to the array.
void TestPartResultArray::Append(const TestPartResult& result) {
array_.push_back(result);
}
// Returns the TestPartResult at the given index (0-based).
const TestPartResult& TestPartResultArray::GetTestPartResult(int index) const {
if (index < 0 || index >= size()) {
printf("\nInvalid index (%d) into TestPartResultArray.\n", index);
internal::posix::Abort();
}
return array_[static_cast<size_t>(index)];
}
// Returns the number of TestPartResult objects in the array.
int TestPartResultArray::size() const {
return static_cast<int>(array_.size());
}
namespace internal {
HasNewFatalFailureHelper::HasNewFatalFailureHelper()
: has_new_fatal_failure_(false),
original_reporter_(GetUnitTestImpl()->
GetTestPartResultReporterForCurrentThread()) {
GetUnitTestImpl()->SetTestPartResultReporterForCurrentThread(this);
}
HasNewFatalFailureHelper::~HasNewFatalFailureHelper() {
GetUnitTestImpl()->SetTestPartResultReporterForCurrentThread(
original_reporter_);
}
void HasNewFatalFailureHelper::ReportTestPartResult(
const TestPartResult& result) {
if (result.fatally_failed())
has_new_fatal_failure_ = true;
original_reporter_->ReportTestPartResult(result);
}
} // namespace internal
} // namespace testing

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// Copyright 2008 Google Inc.
// All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "gtest/gtest-typed-test.h"
#include "gtest/gtest.h"
namespace testing {
namespace internal {
#if GTEST_HAS_TYPED_TEST_P
// Skips to the first non-space char in str. Returns an empty string if str
// contains only whitespace characters.
static const char* SkipSpaces(const char* str) {
while (IsSpace(*str))
str++;
return str;
}
static std::vector<std::string> SplitIntoTestNames(const char* src) {
std::vector<std::string> name_vec;
src = SkipSpaces(src);
for (; src != nullptr; src = SkipComma(src)) {
name_vec.push_back(StripTrailingSpaces(GetPrefixUntilComma(src)));
}
return name_vec;
}
// Verifies that registered_tests match the test names in
// registered_tests_; returns registered_tests if successful, or
// aborts the program otherwise.
const char* TypedTestSuitePState::VerifyRegisteredTestNames(
const char* test_suite_name, const char* file, int line,
const char* registered_tests) {
RegisterTypeParameterizedTestSuite(test_suite_name, CodeLocation(file, line));
typedef RegisteredTestsMap::const_iterator RegisteredTestIter;
registered_ = true;
std::vector<std::string> name_vec = SplitIntoTestNames(registered_tests);
Message errors;
std::set<std::string> tests;
for (std::vector<std::string>::const_iterator name_it = name_vec.begin();
name_it != name_vec.end(); ++name_it) {
const std::string& name = *name_it;
if (tests.count(name) != 0) {
errors << "Test " << name << " is listed more than once.\n";
continue;
}
if (registered_tests_.count(name) != 0) {
tests.insert(name);
} else {
errors << "No test named " << name
<< " can be found in this test suite.\n";
}
}
for (RegisteredTestIter it = registered_tests_.begin();
it != registered_tests_.end();
++it) {
if (tests.count(it->first) == 0) {
errors << "You forgot to list test " << it->first << ".\n";
}
}
const std::string& errors_str = errors.GetString();
if (errors_str != "") {
fprintf(stderr, "%s %s", FormatFileLocation(file, line).c_str(),
errors_str.c_str());
fflush(stderr);
posix::Abort();
}
return registered_tests;
}
#endif // GTEST_HAS_TYPED_TEST_P
} // namespace internal
} // namespace testing

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// Copyright 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <cstdio>
#include "gtest/gtest.h"
#if GTEST_OS_ESP8266 || GTEST_OS_ESP32
#if GTEST_OS_ESP8266
extern "C" {
#endif
void setup() {
testing::InitGoogleTest();
}
void loop() { RUN_ALL_TESTS(); }
#if GTEST_OS_ESP8266
}
#endif
#else
GTEST_API_ int main(int argc, char **argv) {
printf("Running main() from %s\n", __FILE__);
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
#endif