v8/test/cctest/test-flags.cc

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// Copyright 2006-2008 the V8 project authors. 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 <stdlib.h>
#include "src/flags/flags.h"
#include "src/init/v8.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
// This test must be executed first!
TEST(Default) {
CHECK(FLAG_testing_bool_flag);
CHECK_EQ(13, FLAG_testing_int_flag);
CHECK_EQ(2.5, FLAG_testing_float_flag);
CHECK_EQ(0, strcmp(FLAG_testing_string_flag, "Hello, world!"));
}
static void SetFlagsToDefault() {
FlagList::ResetAllFlags();
TestDefault();
}
TEST(Flags1) {
FlagList::PrintHelp();
}
TEST(Flags2) {
SetFlagsToDefault();
int argc = 8;
const char* argv[] = { "Test2", "-notesting-bool-flag",
"--notesting-maybe-bool-flag", "notaflag",
"--testing_int_flag=77", "-testing_float_flag=.25",
"--testing_string_flag", "no way!" };
CHECK_EQ(0, FlagList::SetFlagsFromCommandLine(&argc,
const_cast<char **>(argv),
false));
CHECK_EQ(8, argc);
CHECK(!FLAG_testing_bool_flag);
CHECK(FLAG_testing_maybe_bool_flag.has_value);
CHECK(!FLAG_testing_maybe_bool_flag.value);
CHECK_EQ(77, FLAG_testing_int_flag);
CHECK_EQ(.25, FLAG_testing_float_flag);
CHECK_EQ(0, strcmp(FLAG_testing_string_flag, "no way!"));
}
TEST(Flags2b) {
SetFlagsToDefault();
const char* str =
" -notesting-bool-flag notaflag --testing_int_flag=77 "
"-notesting-maybe-bool-flag "
"-testing_float_flag=.25 "
"--testing_string_flag no_way! ";
CHECK_EQ(0, FlagList::SetFlagsFromString(str, strlen(str)));
CHECK(!FLAG_testing_bool_flag);
CHECK(FLAG_testing_maybe_bool_flag.has_value);
CHECK(!FLAG_testing_maybe_bool_flag.value);
CHECK_EQ(77, FLAG_testing_int_flag);
CHECK_EQ(.25, FLAG_testing_float_flag);
CHECK_EQ(0, strcmp(FLAG_testing_string_flag, "no_way!"));
}
TEST(Flags3) {
SetFlagsToDefault();
int argc = 9;
const char* argv[] =
{ "Test3", "--testing_bool_flag", "--testing-maybe-bool-flag", "notaflag",
"--testing_int_flag", "-666",
"--testing_float_flag", "-12E10", "-testing-string-flag=foo-bar" };
CHECK_EQ(0, FlagList::SetFlagsFromCommandLine(&argc,
const_cast<char **>(argv),
true));
CHECK_EQ(2, argc);
CHECK(FLAG_testing_bool_flag);
CHECK(FLAG_testing_maybe_bool_flag.has_value);
CHECK(FLAG_testing_maybe_bool_flag.value);
CHECK_EQ(-666, FLAG_testing_int_flag);
CHECK_EQ(-12E10, FLAG_testing_float_flag);
CHECK_EQ(0, strcmp(FLAG_testing_string_flag, "foo-bar"));
}
TEST(Flags3b) {
SetFlagsToDefault();
const char* str =
"--testing_bool_flag --testing-maybe-bool-flag notaflag "
"--testing_int_flag -666 "
"--testing_float_flag -12E10 "
"-testing-string-flag=foo-bar";
CHECK_EQ(0, FlagList::SetFlagsFromString(str, strlen(str)));
CHECK(FLAG_testing_bool_flag);
CHECK(FLAG_testing_maybe_bool_flag.has_value);
CHECK(FLAG_testing_maybe_bool_flag.value);
CHECK_EQ(-666, FLAG_testing_int_flag);
CHECK_EQ(-12E10, FLAG_testing_float_flag);
CHECK_EQ(0, strcmp(FLAG_testing_string_flag, "foo-bar"));
}
TEST(Flags4) {
SetFlagsToDefault();
int argc = 3;
const char* argv[] = { "Test4", "--testing_bool_flag", "--foo" };
CHECK_EQ(0, FlagList::SetFlagsFromCommandLine(&argc,
const_cast<char **>(argv),
true));
CHECK_EQ(2, argc);
CHECK(!FLAG_testing_maybe_bool_flag.has_value);
}
TEST(Flags4b) {
SetFlagsToDefault();
const char* str = "--testing_bool_flag --foo";
CHECK_EQ(2, FlagList::SetFlagsFromString(str, strlen(str)));
CHECK(!FLAG_testing_maybe_bool_flag.has_value);
}
TEST(Flags5) {
SetFlagsToDefault();
int argc = 2;
const char* argv[] = { "Test5", "--testing_int_flag=\"foobar\"" };
CHECK_EQ(1, FlagList::SetFlagsFromCommandLine(&argc,
const_cast<char **>(argv),
true));
CHECK_EQ(2, argc);
}
TEST(Flags5b) {
SetFlagsToDefault();
const char* str = " --testing_int_flag=\"foobar\"";
CHECK_EQ(1, FlagList::SetFlagsFromString(str, strlen(str)));
}
TEST(Flags6) {
SetFlagsToDefault();
int argc = 4;
const char* argv[] = { "Test5", "--testing-int-flag", "0",
"--testing_float_flag" };
CHECK_EQ(3, FlagList::SetFlagsFromCommandLine(&argc,
const_cast<char **>(argv),
true));
CHECK_EQ(2, argc);
}
TEST(Flags6b) {
SetFlagsToDefault();
const char* str = " --testing-int-flag 0 --testing_float_flag ";
CHECK_EQ(3, FlagList::SetFlagsFromString(str, strlen(str)));
}
TEST(FlagsRemoveIncomplete) {
// Test that processed command line arguments are removed, even
// if the list of arguments ends unexpectedly.
SetFlagsToDefault();
int argc = 3;
const char* argv[] = {"", "--testing-bool-flag", "--expose-gc-as"};
CHECK_EQ(2, FlagList::SetFlagsFromCommandLine(&argc,
const_cast<char **>(argv),
true));
CHECK(argv[1]);
CHECK_EQ(2, argc);
}
TEST(FlagsJitlessImplications) {
if (FLAG_jitless) {
// Double-check implications work as expected. Our implication system is
// fairly primitive and can break easily depending on the implication
// definition order in flag-definitions.h.
CHECK(!FLAG_opt);
CHECK(!FLAG_validate_asm);
CHECK(!FLAG_asm_wasm_lazy_compilation);
CHECK(!FLAG_wasm_lazy_compilation);
}
}
} // namespace internal
} // namespace v8