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https://github.com/fmtlib/fmt.git
synced 2024-11-22 10:30:05 +00:00
Fix warnings.
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83e1658109
commit
494f53421e
@ -1587,7 +1587,7 @@ TEST(FormatterTest, FormatExamples) {
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EXPECT_THROW({
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const char *filename = "nonexistent";
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FILE *f = fopen(filename, "r");
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FILE *f = std::fopen(filename, "r");
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if (!f)
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fmt::ThrowSystemError(errno, "Cannot open file '{}'") << filename;
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}, fmt::SystemError);
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@ -1669,26 +1669,34 @@ TEST(FormatterTest, OutputNotWrittenOnError) {
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EXPECT_EQ(0, num_writes);
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}
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#if FMT_USE_FILE_DESCRIPTORS
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TEST(FormatterTest, FileSink) {
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FILE *f = std::fopen("out", "w");
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fmt::FileSink fs(f);
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fs(Writer() << "test");
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std::fclose(f);
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EXPECT_EQ("test", ReadFile("out"));
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File read_end, write_end;
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File::pipe(read_end, write_end);
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BufferedFile f = write_end.fdopen("w");
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EXPECT_WRITE(f.get(), {
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fmt::FileSink fs(f.get());
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fs(Writer() << "test");
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}, "test");
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}
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TEST(FormatterTest, FileSinkWriteError) {
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FILE *f = std::fopen("out", "r");
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fmt::FileSink fs(f);
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int result = std::fwrite(" ", 1, 1, f);
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File read_end, write_end;
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File::pipe(read_end, write_end);
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BufferedFile f = read_end.fdopen("r");
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fmt::FileSink fs(f.get());
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int result = std::fwrite(" ", 1, 1, f.get());
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int error_code = errno;
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EXPECT_EQ(0, result);
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std::string error_message =
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str(Format("{}: {}") << "cannot write to file" << strerror(error_code));
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EXPECT_THROW_MSG(fs(Writer() << "test"), fmt::SystemError, error_message);
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std::fclose(f);
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EXPECT_SYSTEM_ERROR(
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fs(Writer() << "test"), error_code, "cannot write to file");
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}
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#else
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# pragma message "warning: some tests are disabled"
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#endif
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// The test doesn't compile on older compilers which follow C++03 and
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// require an accessible copy constructor when binding a temporary to
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// a const reference.
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@ -1812,7 +1820,7 @@ TEST(FormatIntTest, FormatDec) {
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EXPECT_EQ("42", FormatDec(42ull));
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}
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#ifdef FMT_USE_FILE_DESCRIPTORS
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#if FMT_USE_FILE_DESCRIPTORS
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TEST(FormatTest, PrintColored) {
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EXPECT_WRITE(stdout, fmt::PrintColored(fmt::RED, "Hello, {}!\n") << "world",
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@ -39,12 +39,6 @@
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namespace {
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std::string FormatSystemErrorMessage(int error_code, fmt::StringRef message) {
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fmt::Writer out;
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fmt::internal::FormatSystemErrorMessage(out, error_code, message);
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return str(out);
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}
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// Suppresses Windows assertions on invalid file descriptors, making
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// POSIX functions return proper error codes instead of crashing on Windows.
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class SuppressAssert {
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@ -70,26 +64,9 @@ class SuppressAssert {
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#define SUPPRESS_ASSERT(statement) { SuppressAssert sa; statement; }
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#define EXPECT_SYSTEM_ERROR(statement, error_code, message) \
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EXPECT_THROW_MSG(statement, fmt::SystemError, \
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FormatSystemErrorMessage(error_code, message))
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#define EXPECT_SYSTEM_ERROR_NOASSERT(statement, error_code, message) \
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EXPECT_SYSTEM_ERROR(SUPPRESS_ASSERT(statement), error_code, message)
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// Checks if the file is open by reading one character from it.
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bool IsOpen(int fd) {
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char buffer;
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return FMT_POSIX(read(fd, &buffer, 1)) == 1;
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}
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bool IsClosed(int fd) {
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char buffer;
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std::streamsize result = 0;
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SUPPRESS_ASSERT(result = FMT_POSIX(read(fd, &buffer, 1)));
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return result == -1 && errno == EBADF;
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}
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// Tests that assertion macros evaluate their arguments exactly once.
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class SingleEvaluationTest : public ::testing::Test {
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protected:
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@ -265,6 +242,19 @@ TEST(StreamingAssertionsTest, EXPECT_WRITE) {
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#if FMT_USE_FILE_DESCRIPTORS
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// Checks if the file is open by reading one character from it.
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bool IsOpen(int fd) {
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char buffer;
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return FMT_POSIX(read(fd, &buffer, 1)) == 1;
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}
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bool IsClosed(int fd) {
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char buffer;
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std::streamsize result = 0;
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SUPPRESS_ASSERT(result = FMT_POSIX(read(fd, &buffer, 1)));
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return result == -1 && errno == EBADF;
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}
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TEST(ErrorCodeTest, Ctor) {
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EXPECT_EQ(0, ErrorCode().get());
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EXPECT_EQ(42, ErrorCode(42).get());
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@ -671,6 +661,7 @@ TEST(OutputRedirectTest, ErrorInDtor) {
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write_dup.dup2(write_fd); // "undo" close or dtor of BufferedFile will fail
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}
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// TODO: test EXPECT_SYSTEM_ERROR
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// TODO: test retry on EINTR
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#endif // FMT_USE_FILE_DESCRIPTORS
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@ -78,7 +78,7 @@ File::File(const char *path, int oflag) {
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}
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File::~File() FMT_NOEXCEPT(true) {
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// Don't need to retry close in case of EINTR.
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// Don't retry close in case of EINTR!
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// See http://linux.derkeiler.com/Mailing-Lists/Kernel/2005-09/3000.html
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if (fd_ != -1 && ::FMT_POSIX(close(fd_)) != 0)
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fmt::ReportSystemError(errno, "cannot close file");
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@ -158,7 +158,7 @@ void File::pipe(File &read_end, File &write_end) {
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}
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BufferedFile File::fdopen(const char *mode) {
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BufferedFile f(::fdopen(fd_, mode));
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BufferedFile f(::FMT_POSIX(fdopen(fd_, mode)));
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fd_ = -1;
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return f;
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}
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@ -222,3 +222,9 @@ std::string OutputRedirect::RestoreAndRead() {
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}
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#endif // FMT_USE_FILE_DESCRIPTORS
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std::string FormatSystemErrorMessage(int error_code, fmt::StringRef message) {
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fmt::Writer out;
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fmt::internal::FormatSystemErrorMessage(out, error_code, message);
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return str(out);
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}
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@ -81,6 +81,12 @@
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FMT_TEST_THROW_(statement, expected_exception, \
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expected_message, GTEST_NONFATAL_FAILURE_)
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std::string FormatSystemErrorMessage(int error_code, fmt::StringRef message);
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#define EXPECT_SYSTEM_ERROR(statement, error_code, message) \
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EXPECT_THROW_MSG(statement, fmt::SystemError, \
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FormatSystemErrorMessage(error_code, message))
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#ifndef FMT_USE_FILE_DESCRIPTORS
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# define FMT_USE_FILE_DESCRIPTORS 0
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#endif
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