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Test write count conversion.

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This commit is contained in:
Victor Zverovich 2014-05-19 08:37:28 -07:00
parent 49fac7666c
commit b65c19012a
1 changed files with 21 additions and 5 deletions
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26
test/posix-test.cc
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@ -49,6 +49,7 @@ int pipe_count;
int fclose_count;
int fileno_count;
std::size_t read_nbyte;
std::size_t write_nbyte;
}
#define EMULATE_EINTR(func, error_result) \
@ -101,6 +102,7 @@ test::ssize_t test::read(int fildes, void *buf, test::size_t nbyte) {
}
test::ssize_t test::write(int fildes, const void *buf, test::size_t nbyte) {
write_nbyte = nbyte;
EMULATE_EINTR(write, -1);
return ::FMT_POSIX(write(fildes, buf, nbyte));
}
@ -208,19 +210,33 @@ TEST(FileTest, WriteRetry) {
#ifdef _WIN32
TEST(FileTest, ConvertReadCount) {
if (sizeof(unsigned) == sizeof(std::size_t))
return;
File read_end, write_end;
File::pipe(read_end, write_end);
char c;
std::size_t size = UINT_MAX;
if (sizeof(unsigned) != sizeof(std::size_t))
++size;
read_count = 1;
EXPECT_THROW(read_end.read(&c, UINT_MAX + std::size_t(1)), fmt::SystemError);
read_nbyte = 0;
EXPECT_THROW(read_end.read(&c, size), fmt::SystemError);
read_count = 0;
EXPECT_EQ(UINT_MAX, read_nbyte);
}
#endif
// TODO: test ConvertRWCount
TEST(FileTest, ConvertWriteCount) {
File read_end, write_end;
File::pipe(read_end, write_end);
char c;
std::size_t size = UINT_MAX;
if (sizeof(unsigned) != sizeof(std::size_t))
++size;
write_count = 1;
write_nbyte = 0;
EXPECT_THROW(write_end.write(&c, size), fmt::SystemError);
write_count = 0;
EXPECT_EQ(UINT_MAX, write_nbyte);
}
#endif
TEST(FileTest, DupNoRetry) {
int stdout_fd = FMT_POSIX(fileno(stdout));