mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-25 19:50:05 +00:00
Move posix tests from gtest-extra-test to a separate test
This commit is contained in:
vitaut
parent
9769f4b9ed
commit
0a7e5141c1
@ -62,9 +62,10 @@ add_executable(macro-test macro-test.cc ${FMT_TEST_SOURCES} ${TEST_MAIN_SRC})
|
||||
target_link_libraries(macro-test gmock)
|
||||
|
||||
if (HAVE_OPEN)
|
||||
add_executable(posix-test posix-mock-test.cc ../format.cc ${TEST_MAIN_SRC})
|
||||
target_link_libraries(posix-test gmock)
|
||||
add_test(NAME posix-test COMMAND posix-test)
|
||||
add_executable(posix-mock-test posix-mock-test.cc ../format.cc ${TEST_MAIN_SRC})
|
||||
target_link_libraries(posix-mock-test gmock)
|
||||
add_test(NAME posix-mock-test COMMAND posix-mock-test)
|
||||
add_fmt_test(posix-test)
|
||||
endif ()
|
||||
|
||||
add_executable(header-only-test
|
||||
|
||||
@ -36,37 +36,15 @@
|
||||
# include <crtdbg.h> // for _CrtSetReportMode
|
||||
#endif // _WIN32
|
||||
|
||||
#include "util.h"
|
||||
|
||||
#ifdef __MINGW32__
|
||||
# undef fileno
|
||||
#endif
|
||||
|
||||
namespace {
|
||||
|
||||
#if defined(_WIN32) && !defined(__MINGW32__)
|
||||
|
||||
// Suppresses Windows assertions on invalid file descriptors, making
|
||||
// POSIX functions return proper error codes instead of crashing on Windows.
|
||||
class SuppressAssert {
|
||||
private:
|
||||
_invalid_parameter_handler original_handler_;
|
||||
int original_report_mode_;
|
||||
|
||||
static void handle_invalid_parameter(const wchar_t *,
|
||||
const wchar_t *, const wchar_t *, unsigned , uintptr_t) {}
|
||||
|
||||
public:
|
||||
SuppressAssert()
|
||||
: original_handler_(_set_invalid_parameter_handler(handle_invalid_parameter)),
|
||||
original_report_mode_(_CrtSetReportMode(_CRT_ASSERT, 0)) {
|
||||
}
|
||||
~SuppressAssert() {
|
||||
_set_invalid_parameter_handler(original_handler_);
|
||||
_CrtSetReportMode(_CRT_ASSERT, original_report_mode_);
|
||||
}
|
||||
};
|
||||
|
||||
# define SUPPRESS_ASSERT(statement) { SuppressAssert sa; statement; }
|
||||
|
||||
#ifdef _MSC_VER
|
||||
// Fix "secure" warning about using fopen without defining
|
||||
// _CRT_SECURE_NO_WARNINGS.
|
||||
FILE *safe_fopen(const char *filename, const char *mode) {
|
||||
@ -76,12 +54,8 @@ FILE *safe_fopen(const char *filename, const char *mode) {
|
||||
}
|
||||
#define fopen safe_fopen
|
||||
#else
|
||||
# define SUPPRESS_ASSERT(statement) statement
|
||||
using std::fopen;
|
||||
#endif // _WIN32
|
||||
|
||||
#define EXPECT_SYSTEM_ERROR_NOASSERT(statement, error_code, message) \
|
||||
EXPECT_SYSTEM_ERROR(SUPPRESS_ASSERT(statement), error_code, message)
|
||||
#endif // _MSC_VER
|
||||
|
||||
// Tests that assertion macros evaluate their arguments exactly once.
|
||||
class SingleEvaluationTest : public ::testing::Test {
|
||||
@ -363,382 +337,11 @@ using fmt::BufferedFile;
|
||||
using fmt::ErrorCode;
|
||||
using fmt::File;
|
||||
|
||||
// Checks if the file is open by reading one character from it.
|
||||
bool isopen(int fd) {
|
||||
char buffer;
|
||||
return FMT_POSIX(read(fd, &buffer, 1)) == 1;
|
||||
}
|
||||
|
||||
bool isclosed(int fd) {
|
||||
char buffer;
|
||||
std::streamsize result = 0;
|
||||
SUPPRESS_ASSERT(result = FMT_POSIX(read(fd, &buffer, 1)));
|
||||
return result == -1 && errno == EBADF;
|
||||
}
|
||||
|
||||
// Attempts to read count characters from a file.
|
||||
std::string read(File &f, std::size_t count) {
|
||||
std::string buffer(count, '\0');
|
||||
std::streamsize n = 0;
|
||||
std::size_t offset = 0;
|
||||
do {
|
||||
n = f.read(&buffer[offset], count - offset);
|
||||
// We can't read more than size_t bytes since count has type size_t.
|
||||
offset += static_cast<std::size_t>(n);
|
||||
} while (offset < count && n != 0);
|
||||
buffer.resize(offset);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
// Attempts to write a string to a file.
|
||||
void write(File &f, fmt::StringRef s) {
|
||||
std::size_t num_chars_left = s.size();
|
||||
const char *ptr = s.c_str();
|
||||
do {
|
||||
std::streamsize count = f.write(ptr, num_chars_left);
|
||||
ptr += count;
|
||||
// We can't write more than size_t bytes since num_chars_left
|
||||
// has type size_t.
|
||||
num_chars_left -= static_cast<std::size_t>(count);
|
||||
} while (num_chars_left != 0);
|
||||
}
|
||||
|
||||
#define EXPECT_READ(file, expected_content) \
|
||||
EXPECT_EQ(expected_content, read(file, std::strlen(expected_content)))
|
||||
|
||||
TEST(ErrorCodeTest, Ctor) {
|
||||
EXPECT_EQ(0, ErrorCode().get());
|
||||
EXPECT_EQ(42, ErrorCode(42).get());
|
||||
}
|
||||
|
||||
const char FILE_CONTENT[] = "Don't panic!";
|
||||
|
||||
// Opens a file for reading.
|
||||
File open_file() {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
write_end.write(FILE_CONTENT, sizeof(FILE_CONTENT) - 1);
|
||||
write_end.close();
|
||||
return read_end;
|
||||
}
|
||||
|
||||
// Opens a buffered file for reading.
|
||||
BufferedFile open_buffered_file(FILE **fp = 0) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
write_end.write(FILE_CONTENT, sizeof(FILE_CONTENT) - 1);
|
||||
write_end.close();
|
||||
BufferedFile f = read_end.fdopen("r");
|
||||
if (fp)
|
||||
*fp = f.get();
|
||||
return f;
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, DefaultCtor) {
|
||||
BufferedFile f;
|
||||
EXPECT_TRUE(f.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveCtor) {
|
||||
BufferedFile bf = open_buffered_file();
|
||||
FILE *fp = bf.get();
|
||||
EXPECT_TRUE(fp != 0);
|
||||
BufferedFile bf2(std::move(bf));
|
||||
EXPECT_EQ(fp, bf2.get());
|
||||
EXPECT_TRUE(bf.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveAssignment) {
|
||||
BufferedFile bf = open_buffered_file();
|
||||
FILE *fp = bf.get();
|
||||
EXPECT_TRUE(fp != 0);
|
||||
BufferedFile bf2;
|
||||
bf2 = std::move(bf);
|
||||
EXPECT_EQ(fp, bf2.get());
|
||||
EXPECT_TRUE(bf.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveAssignmentClosesFile) {
|
||||
BufferedFile bf = open_buffered_file();
|
||||
BufferedFile bf2 = open_buffered_file();
|
||||
int old_fd = bf2.fileno();
|
||||
bf2 = std::move(bf);
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveFromTemporaryInCtor) {
|
||||
FILE *fp = 0;
|
||||
BufferedFile f(open_buffered_file(&fp));
|
||||
EXPECT_EQ(fp, f.get());
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveFromTemporaryInAssignment) {
|
||||
FILE *fp = 0;
|
||||
BufferedFile f;
|
||||
f = open_buffered_file(&fp);
|
||||
EXPECT_EQ(fp, f.get());
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveFromTemporaryInAssignmentClosesFile) {
|
||||
BufferedFile f = open_buffered_file();
|
||||
int old_fd = f.fileno();
|
||||
f = open_buffered_file();
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, CloseFileInDtor) {
|
||||
int fd = 0;
|
||||
{
|
||||
BufferedFile f = open_buffered_file();
|
||||
fd = f.fileno();
|
||||
}
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, CloseErrorInDtor) {
|
||||
BufferedFile *f = new BufferedFile(open_buffered_file());
|
||||
EXPECT_WRITE(stderr, {
|
||||
// The close function must be called inside EXPECT_WRITE, otherwise
|
||||
// the system may recycle closed file descriptor when redirecting the
|
||||
// output in EXPECT_STDERR and the second close will break output
|
||||
// redirection.
|
||||
FMT_POSIX(close(f->fileno()));
|
||||
SUPPRESS_ASSERT(delete f);
|
||||
}, format_system_error(EBADF, "cannot close file") + "\n");
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, Close) {
|
||||
BufferedFile f = open_buffered_file();
|
||||
int fd = f.fileno();
|
||||
f.close();
|
||||
EXPECT_TRUE(f.get() == 0);
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, CloseError) {
|
||||
BufferedFile f = open_buffered_file();
|
||||
FMT_POSIX(close(f.fileno()));
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(f.close(), EBADF, "cannot close file");
|
||||
EXPECT_TRUE(f.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, Fileno) {
|
||||
BufferedFile f;
|
||||
// fileno on a null FILE pointer either crashes or returns an error.
|
||||
EXPECT_DEATH_IF_SUPPORTED({
|
||||
try {
|
||||
f.fileno();
|
||||
} catch (fmt::SystemError) {
|
||||
std::exit(1);
|
||||
}
|
||||
}, "");
|
||||
f = open_buffered_file();
|
||||
EXPECT_TRUE(f.fileno() != -1);
|
||||
File copy = File::dup(f.fileno());
|
||||
EXPECT_READ(copy, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, DefaultCtor) {
|
||||
File f;
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, OpenBufferedFileInCtor) {
|
||||
FILE *fp = fopen("test-file", "w");
|
||||
std::fputs(FILE_CONTENT, fp);
|
||||
std::fclose(fp);
|
||||
File f("test-file", File::RDONLY);
|
||||
ASSERT_TRUE(isopen(f.descriptor()));
|
||||
}
|
||||
|
||||
TEST(FileTest, OpenBufferedFileError) {
|
||||
EXPECT_SYSTEM_ERROR(File("nonexistent", File::RDONLY),
|
||||
ENOENT, "cannot open file nonexistent");
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveCtor) {
|
||||
File f = open_file();
|
||||
int fd = f.descriptor();
|
||||
EXPECT_NE(-1, fd);
|
||||
File f2(std::move(f));
|
||||
EXPECT_EQ(fd, f2.descriptor());
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveAssignment) {
|
||||
File f = open_file();
|
||||
int fd = f.descriptor();
|
||||
EXPECT_NE(-1, fd);
|
||||
File f2;
|
||||
f2 = std::move(f);
|
||||
EXPECT_EQ(fd, f2.descriptor());
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveAssignmentClosesFile) {
|
||||
File f = open_file();
|
||||
File f2 = open_file();
|
||||
int old_fd = f2.descriptor();
|
||||
f2 = std::move(f);
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
File OpenBufferedFile(int &fd) {
|
||||
File f = open_file();
|
||||
fd = f.descriptor();
|
||||
return std::move(f);
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveFromTemporaryInCtor) {
|
||||
int fd = 0xdeadbeef;
|
||||
File f(OpenBufferedFile(fd));
|
||||
EXPECT_EQ(fd, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveFromTemporaryInAssignment) {
|
||||
int fd = 0xdeadbeef;
|
||||
File f;
|
||||
f = OpenBufferedFile(fd);
|
||||
EXPECT_EQ(fd, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveFromTemporaryInAssignmentClosesFile) {
|
||||
int fd = 0xdeadbeef;
|
||||
File f = open_file();
|
||||
int old_fd = f.descriptor();
|
||||
f = OpenBufferedFile(fd);
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
TEST(FileTest, CloseFileInDtor) {
|
||||
int fd = 0;
|
||||
{
|
||||
File f = open_file();
|
||||
fd = f.descriptor();
|
||||
}
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(FileTest, CloseErrorInDtor) {
|
||||
File *f = new File(open_file());
|
||||
EXPECT_WRITE(stderr, {
|
||||
// The close function must be called inside EXPECT_WRITE, otherwise
|
||||
// the system may recycle closed file descriptor when redirecting the
|
||||
// output in EXPECT_STDERR and the second close will break output
|
||||
// redirection.
|
||||
FMT_POSIX(close(f->descriptor()));
|
||||
SUPPRESS_ASSERT(delete f);
|
||||
}, format_system_error(EBADF, "cannot close file") + "\n");
|
||||
}
|
||||
|
||||
TEST(FileTest, Close) {
|
||||
File f = open_file();
|
||||
int fd = f.descriptor();
|
||||
f.close();
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(FileTest, CloseError) {
|
||||
File f = open_file();
|
||||
FMT_POSIX(close(f.descriptor()));
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(f.close(), EBADF, "cannot close file");
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, Read) {
|
||||
File f = open_file();
|
||||
EXPECT_READ(f, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, ReadError) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
char buf;
|
||||
// We intentionally read from write_end to cause error.
|
||||
EXPECT_SYSTEM_ERROR(write_end.read(&buf, 1), EBADF, "cannot read from file");
|
||||
}
|
||||
|
||||
TEST(FileTest, Write) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
write(write_end, "test");
|
||||
write_end.close();
|
||||
EXPECT_READ(read_end, "test");
|
||||
}
|
||||
|
||||
TEST(FileTest, WriteError) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
// We intentionally write to read_end to cause error.
|
||||
EXPECT_SYSTEM_ERROR(read_end.write(" ", 1), EBADF, "cannot write to file");
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup) {
|
||||
File f = open_file();
|
||||
File copy = File::dup(f.descriptor());
|
||||
EXPECT_NE(f.descriptor(), copy.descriptor());
|
||||
EXPECT_EQ(FILE_CONTENT, read(copy, sizeof(FILE_CONTENT) - 1));
|
||||
}
|
||||
|
||||
TEST(FileTest, DupError) {
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(File::dup(-1),
|
||||
EBADF, "cannot duplicate file descriptor -1");
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2) {
|
||||
File f = open_file();
|
||||
File copy = open_file();
|
||||
f.dup2(copy.descriptor());
|
||||
EXPECT_NE(f.descriptor(), copy.descriptor());
|
||||
EXPECT_READ(copy, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2Error) {
|
||||
File f = open_file();
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(f.dup2(-1), EBADF,
|
||||
fmt::format("cannot duplicate file descriptor {} to -1", f.descriptor()));
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2NoExcept) {
|
||||
File f = open_file();
|
||||
File copy = open_file();
|
||||
ErrorCode ec;
|
||||
f.dup2(copy.descriptor(), ec);
|
||||
EXPECT_EQ(0, ec.get());
|
||||
EXPECT_NE(f.descriptor(), copy.descriptor());
|
||||
EXPECT_READ(copy, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2NoExceptError) {
|
||||
File f = open_file();
|
||||
ErrorCode ec;
|
||||
SUPPRESS_ASSERT(f.dup2(-1, ec));
|
||||
EXPECT_EQ(EBADF, ec.get());
|
||||
}
|
||||
|
||||
TEST(FileTest, Pipe) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
EXPECT_NE(-1, read_end.descriptor());
|
||||
EXPECT_NE(-1, write_end.descriptor());
|
||||
write(write_end, "test");
|
||||
EXPECT_READ(read_end, "test");
|
||||
}
|
||||
|
||||
TEST(FileTest, Fdopen) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
int read_fd = read_end.descriptor();
|
||||
EXPECT_EQ(read_fd, FMT_POSIX(fileno(read_end.fdopen("r").get())));
|
||||
}
|
||||
|
||||
TEST(FileTest, FdopenError) {
|
||||
File f;
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(
|
||||
f.fdopen("r"), EBADF, "cannot associate stream with file descriptor");
|
||||
}
|
||||
|
||||
TEST(OutputRedirectTest, ScopedRedirect) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
|
||||
@ -89,6 +89,19 @@ std::string OutputRedirect::restore_and_read() {
|
||||
return content;
|
||||
}
|
||||
|
||||
std::string read(File &f, std::size_t count) {
|
||||
std::string buffer(count, '\0');
|
||||
std::streamsize n = 0;
|
||||
std::size_t offset = 0;
|
||||
do {
|
||||
n = f.read(&buffer[offset], count - offset);
|
||||
// We can't read more than size_t bytes since count has type size_t.
|
||||
offset += static_cast<std::size_t>(n);
|
||||
} while (offset < count && n != 0);
|
||||
buffer.resize(offset);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
#endif // FMT_USE_FILE_DESCRIPTORS
|
||||
|
||||
std::string format_system_error(int error_code, fmt::StringRef message) {
|
||||
|
||||
@ -133,6 +133,43 @@ class OutputRedirect {
|
||||
#define EXPECT_WRITE(file, statement, expected_output) \
|
||||
FMT_TEST_WRITE_(statement, expected_output, file, GTEST_NONFATAL_FAILURE_)
|
||||
|
||||
#ifdef _MSC_VER
|
||||
|
||||
// Suppresses Windows assertions on invalid file descriptors, making
|
||||
// POSIX functions return proper error codes instead of crashing on Windows.
|
||||
class SuppressAssert {
|
||||
private:
|
||||
_invalid_parameter_handler original_handler_;
|
||||
int original_report_mode_;
|
||||
|
||||
static void handle_invalid_parameter(const wchar_t *,
|
||||
const wchar_t *, const wchar_t *, unsigned , uintptr_t) {}
|
||||
|
||||
public:
|
||||
SuppressAssert()
|
||||
: original_handler_(_set_invalid_parameter_handler(handle_invalid_parameter)),
|
||||
original_report_mode_(_CrtSetReportMode(_CRT_ASSERT, 0)) {
|
||||
}
|
||||
~SuppressAssert() {
|
||||
_set_invalid_parameter_handler(original_handler_);
|
||||
_CrtSetReportMode(_CRT_ASSERT, original_report_mode_);
|
||||
}
|
||||
};
|
||||
|
||||
# define SUPPRESS_ASSERT(statement) { SuppressAssert sa; statement; }
|
||||
#else
|
||||
# define SUPPRESS_ASSERT(statement) statement
|
||||
#endif // _MSC_VER
|
||||
|
||||
#define EXPECT_SYSTEM_ERROR_NOASSERT(statement, error_code, message) \
|
||||
EXPECT_SYSTEM_ERROR(SUPPRESS_ASSERT(statement), error_code, message)
|
||||
|
||||
// Attempts to read count characters from a file.
|
||||
std::string read(fmt::File &f, std::size_t count);
|
||||
|
||||
#define EXPECT_READ(file, expected_content) \
|
||||
EXPECT_EQ(expected_content, read(file, std::strlen(expected_content)))
|
||||
|
||||
#endif // FMT_USE_FILE_DESCRIPTORS
|
||||
|
||||
#endif // FMT_GTEST_EXTRA_H_
|
||||
|
||||
@ -42,6 +42,7 @@
|
||||
#endif
|
||||
|
||||
#include "gtest-extra.h"
|
||||
#include "util.h"
|
||||
|
||||
using fmt::BufferedFile;
|
||||
using fmt::ErrorCode;
|
||||
|
||||
376
test/posix-test.cc
Normal file
376
test/posix-test.cc
Normal file
@ -0,0 +1,376 @@
|
||||
/*
|
||||
Tests of the C++ interface to POSIX functions
|
||||
|
||||
Copyright (c) 2015, Victor Zverovich
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice, this
|
||||
list of conditions and the following disclaimer.
|
||||
2. 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.
|
||||
|
||||
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 <cstring>
|
||||
|
||||
#include "gtest-extra.h"
|
||||
#include "posix.h"
|
||||
#include "util.h"
|
||||
|
||||
using fmt::BufferedFile;
|
||||
using fmt::ErrorCode;
|
||||
using fmt::File;
|
||||
|
||||
// Checks if the file is open by reading one character from it.
|
||||
bool isopen(int fd) {
|
||||
char buffer;
|
||||
return FMT_POSIX(read(fd, &buffer, 1)) == 1;
|
||||
}
|
||||
|
||||
bool isclosed(int fd) {
|
||||
char buffer;
|
||||
std::streamsize result = 0;
|
||||
SUPPRESS_ASSERT(result = FMT_POSIX(read(fd, &buffer, 1)));
|
||||
return result == -1 && errno == EBADF;
|
||||
}
|
||||
|
||||
// Opens a file for reading.
|
||||
File open_file() {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
write_end.write(FILE_CONTENT, std::strlen(FILE_CONTENT));
|
||||
write_end.close();
|
||||
return read_end;
|
||||
}
|
||||
|
||||
// Attempts to write a string to a file.
|
||||
void write(File &f, fmt::StringRef s) {
|
||||
std::size_t num_chars_left = s.size();
|
||||
const char *ptr = s.c_str();
|
||||
do {
|
||||
std::streamsize count = f.write(ptr, num_chars_left);
|
||||
ptr += count;
|
||||
// We can't write more than size_t bytes since num_chars_left
|
||||
// has type size_t.
|
||||
num_chars_left -= static_cast<std::size_t>(count);
|
||||
} while (num_chars_left != 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, DefaultCtor) {
|
||||
BufferedFile f;
|
||||
EXPECT_TRUE(f.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveCtor) {
|
||||
BufferedFile bf = open_buffered_file();
|
||||
FILE *fp = bf.get();
|
||||
EXPECT_TRUE(fp != 0);
|
||||
BufferedFile bf2(std::move(bf));
|
||||
EXPECT_EQ(fp, bf2.get());
|
||||
EXPECT_TRUE(bf.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveAssignment) {
|
||||
BufferedFile bf = open_buffered_file();
|
||||
FILE *fp = bf.get();
|
||||
EXPECT_TRUE(fp != 0);
|
||||
BufferedFile bf2;
|
||||
bf2 = std::move(bf);
|
||||
EXPECT_EQ(fp, bf2.get());
|
||||
EXPECT_TRUE(bf.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveAssignmentClosesFile) {
|
||||
BufferedFile bf = open_buffered_file();
|
||||
BufferedFile bf2 = open_buffered_file();
|
||||
int old_fd = bf2.fileno();
|
||||
bf2 = std::move(bf);
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveFromTemporaryInCtor) {
|
||||
FILE *fp = 0;
|
||||
BufferedFile f(open_buffered_file(&fp));
|
||||
EXPECT_EQ(fp, f.get());
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveFromTemporaryInAssignment) {
|
||||
FILE *fp = 0;
|
||||
BufferedFile f;
|
||||
f = open_buffered_file(&fp);
|
||||
EXPECT_EQ(fp, f.get());
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, MoveFromTemporaryInAssignmentClosesFile) {
|
||||
BufferedFile f = open_buffered_file();
|
||||
int old_fd = f.fileno();
|
||||
f = open_buffered_file();
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, CloseFileInDtor) {
|
||||
int fd = 0;
|
||||
{
|
||||
BufferedFile f = open_buffered_file();
|
||||
fd = f.fileno();
|
||||
}
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, CloseErrorInDtor) {
|
||||
BufferedFile *f = new BufferedFile(open_buffered_file());
|
||||
EXPECT_WRITE(stderr, {
|
||||
// The close function must be called inside EXPECT_WRITE, otherwise
|
||||
// the system may recycle closed file descriptor when redirecting the
|
||||
// output in EXPECT_STDERR and the second close will break output
|
||||
// redirection.
|
||||
FMT_POSIX(close(f->fileno()));
|
||||
SUPPRESS_ASSERT(delete f);
|
||||
}, format_system_error(EBADF, "cannot close file") + "\n");
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, Close) {
|
||||
BufferedFile f = open_buffered_file();
|
||||
int fd = f.fileno();
|
||||
f.close();
|
||||
EXPECT_TRUE(f.get() == 0);
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, CloseError) {
|
||||
BufferedFile f = open_buffered_file();
|
||||
FMT_POSIX(close(f.fileno()));
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(f.close(), EBADF, "cannot close file");
|
||||
EXPECT_TRUE(f.get() == 0);
|
||||
}
|
||||
|
||||
TEST(BufferedFileTest, Fileno) {
|
||||
BufferedFile f;
|
||||
// fileno on a null FILE pointer either crashes or returns an error.
|
||||
EXPECT_DEATH_IF_SUPPORTED({
|
||||
try {
|
||||
f.fileno();
|
||||
} catch (fmt::SystemError) {
|
||||
std::exit(1);
|
||||
}
|
||||
}, "");
|
||||
f = open_buffered_file();
|
||||
EXPECT_TRUE(f.fileno() != -1);
|
||||
File copy = File::dup(f.fileno());
|
||||
EXPECT_READ(copy, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, DefaultCtor) {
|
||||
File f;
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, OpenBufferedFileInCtor) {
|
||||
FILE *fp = fopen("test-file", "w");
|
||||
std::fputs(FILE_CONTENT, fp);
|
||||
std::fclose(fp);
|
||||
File f("test-file", File::RDONLY);
|
||||
ASSERT_TRUE(isopen(f.descriptor()));
|
||||
}
|
||||
|
||||
TEST(FileTest, OpenBufferedFileError) {
|
||||
EXPECT_SYSTEM_ERROR(File("nonexistent", File::RDONLY),
|
||||
ENOENT, "cannot open file nonexistent");
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveCtor) {
|
||||
File f = open_file();
|
||||
int fd = f.descriptor();
|
||||
EXPECT_NE(-1, fd);
|
||||
File f2(std::move(f));
|
||||
EXPECT_EQ(fd, f2.descriptor());
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveAssignment) {
|
||||
File f = open_file();
|
||||
int fd = f.descriptor();
|
||||
EXPECT_NE(-1, fd);
|
||||
File f2;
|
||||
f2 = std::move(f);
|
||||
EXPECT_EQ(fd, f2.descriptor());
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveAssignmentClosesFile) {
|
||||
File f = open_file();
|
||||
File f2 = open_file();
|
||||
int old_fd = f2.descriptor();
|
||||
f2 = std::move(f);
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
File OpenBufferedFile(int &fd) {
|
||||
File f = open_file();
|
||||
fd = f.descriptor();
|
||||
return std::move(f);
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveFromTemporaryInCtor) {
|
||||
int fd = 0xdeadbeef;
|
||||
File f(OpenBufferedFile(fd));
|
||||
EXPECT_EQ(fd, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveFromTemporaryInAssignment) {
|
||||
int fd = 0xdeadbeef;
|
||||
File f;
|
||||
f = OpenBufferedFile(fd);
|
||||
EXPECT_EQ(fd, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, MoveFromTemporaryInAssignmentClosesFile) {
|
||||
int fd = 0xdeadbeef;
|
||||
File f = open_file();
|
||||
int old_fd = f.descriptor();
|
||||
f = OpenBufferedFile(fd);
|
||||
EXPECT_TRUE(isclosed(old_fd));
|
||||
}
|
||||
|
||||
TEST(FileTest, CloseFileInDtor) {
|
||||
int fd = 0;
|
||||
{
|
||||
File f = open_file();
|
||||
fd = f.descriptor();
|
||||
}
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(FileTest, CloseErrorInDtor) {
|
||||
File *f = new File(open_file());
|
||||
EXPECT_WRITE(stderr, {
|
||||
// The close function must be called inside EXPECT_WRITE, otherwise
|
||||
// the system may recycle closed file descriptor when redirecting the
|
||||
// output in EXPECT_STDERR and the second close will break output
|
||||
// redirection.
|
||||
FMT_POSIX(close(f->descriptor()));
|
||||
SUPPRESS_ASSERT(delete f);
|
||||
}, format_system_error(EBADF, "cannot close file") + "\n");
|
||||
}
|
||||
|
||||
TEST(FileTest, Close) {
|
||||
File f = open_file();
|
||||
int fd = f.descriptor();
|
||||
f.close();
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
EXPECT_TRUE(isclosed(fd));
|
||||
}
|
||||
|
||||
TEST(FileTest, CloseError) {
|
||||
File f = open_file();
|
||||
FMT_POSIX(close(f.descriptor()));
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(f.close(), EBADF, "cannot close file");
|
||||
EXPECT_EQ(-1, f.descriptor());
|
||||
}
|
||||
|
||||
TEST(FileTest, Read) {
|
||||
File f = open_file();
|
||||
EXPECT_READ(f, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, ReadError) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
char buf;
|
||||
// We intentionally read from write_end to cause error.
|
||||
EXPECT_SYSTEM_ERROR(write_end.read(&buf, 1), EBADF, "cannot read from file");
|
||||
}
|
||||
|
||||
TEST(FileTest, Write) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
write(write_end, "test");
|
||||
write_end.close();
|
||||
EXPECT_READ(read_end, "test");
|
||||
}
|
||||
|
||||
TEST(FileTest, WriteError) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
// We intentionally write to read_end to cause error.
|
||||
EXPECT_SYSTEM_ERROR(read_end.write(" ", 1), EBADF, "cannot write to file");
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup) {
|
||||
File f = open_file();
|
||||
File copy = File::dup(f.descriptor());
|
||||
EXPECT_NE(f.descriptor(), copy.descriptor());
|
||||
EXPECT_EQ(FILE_CONTENT, read(copy, std::strlen(FILE_CONTENT)));
|
||||
}
|
||||
|
||||
TEST(FileTest, DupError) {
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(File::dup(-1),
|
||||
EBADF, "cannot duplicate file descriptor -1");
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2) {
|
||||
File f = open_file();
|
||||
File copy = open_file();
|
||||
f.dup2(copy.descriptor());
|
||||
EXPECT_NE(f.descriptor(), copy.descriptor());
|
||||
EXPECT_READ(copy, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2Error) {
|
||||
File f = open_file();
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(f.dup2(-1), EBADF,
|
||||
fmt::format("cannot duplicate file descriptor {} to -1", f.descriptor()));
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2NoExcept) {
|
||||
File f = open_file();
|
||||
File copy = open_file();
|
||||
ErrorCode ec;
|
||||
f.dup2(copy.descriptor(), ec);
|
||||
EXPECT_EQ(0, ec.get());
|
||||
EXPECT_NE(f.descriptor(), copy.descriptor());
|
||||
EXPECT_READ(copy, FILE_CONTENT);
|
||||
}
|
||||
|
||||
TEST(FileTest, Dup2NoExceptError) {
|
||||
File f = open_file();
|
||||
ErrorCode ec;
|
||||
SUPPRESS_ASSERT(f.dup2(-1, ec));
|
||||
EXPECT_EQ(EBADF, ec.get());
|
||||
}
|
||||
|
||||
TEST(FileTest, Pipe) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
EXPECT_NE(-1, read_end.descriptor());
|
||||
EXPECT_NE(-1, write_end.descriptor());
|
||||
write(write_end, "test");
|
||||
EXPECT_READ(read_end, "test");
|
||||
}
|
||||
|
||||
TEST(FileTest, Fdopen) {
|
||||
File read_end, write_end;
|
||||
File::pipe(read_end, write_end);
|
||||
int read_fd = read_end.descriptor();
|
||||
EXPECT_EQ(read_fd, FMT_POSIX(fileno(read_end.fdopen("r").get())));
|
||||
}
|
||||
|
||||
TEST(FileTest, FdopenError) {
|
||||
File f;
|
||||
EXPECT_SYSTEM_ERROR_NOASSERT(
|
||||
f.fdopen("r"), EBADF, "cannot associate stream with file descriptor");
|
||||
}
|
||||
13
test/util.cc
13
test/util.cc
@ -49,3 +49,16 @@ std::string get_system_error(int error_code) {
|
||||
return buffer;
|
||||
#endif
|
||||
}
|
||||
|
||||
const char FILE_CONTENT[] = "Don't panic!";
|
||||
|
||||
fmt::BufferedFile open_buffered_file(FILE **fp) {
|
||||
fmt::File read_end, write_end;
|
||||
fmt::File::pipe(read_end, write_end);
|
||||
write_end.write(FILE_CONTENT, sizeof(FILE_CONTENT) - 1);
|
||||
write_end.close();
|
||||
fmt::BufferedFile f = read_end.fdopen("r");
|
||||
if (fp)
|
||||
*fp = f.get();
|
||||
return f;
|
||||
}
|
||||
|
||||
@ -29,6 +29,8 @@
|
||||
#include <cstdio>
|
||||
#include <string>
|
||||
|
||||
#include "posix.h"
|
||||
|
||||
enum {BUFFER_SIZE = 256};
|
||||
|
||||
#ifdef _MSC_VER
|
||||
@ -49,3 +51,8 @@ void safe_sprintf(char (&buffer)[SIZE], const char *format, ...) {
|
||||
void increment(char *s);
|
||||
|
||||
std::string get_system_error(int error_code);
|
||||
|
||||
extern const char FILE_CONTENT[];
|
||||
|
||||
// Opens a buffered file for reading.
|
||||
fmt::BufferedFile open_buffered_file(FILE **fp = 0);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user