mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-02 11:28:20 +00:00
123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
/*
|
|
Test wrappers around POSIX functions.
|
|
|
|
Copyright (c) 2012-2014, 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 "posix-test.h"
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "gtest-extra.h"
|
|
|
|
namespace {
|
|
int open_count;
|
|
int close_count;
|
|
int dup_count;
|
|
int dup2_count;
|
|
int fdopen_count;
|
|
int fileno_count;
|
|
int read_count;
|
|
int write_count;
|
|
}
|
|
|
|
#define EMULATE_EINTR(func, error_result) \
|
|
if (func##_count != 0) { \
|
|
if (func##_count++ != 3) { \
|
|
errno = EINTR; \
|
|
return error_result; \
|
|
} \
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
int test::open(const char *path, int oflag, int mode) {
|
|
EMULATE_EINTR(open, -1);
|
|
return ::open(path, oflag, mode);
|
|
}
|
|
#else
|
|
errno_t test::sopen_s(
|
|
int* pfh, const char *filename, int oflag, int shflag, int pmode) {
|
|
EMULATE_EINTR(open, EINTR);
|
|
return _sopen_s(pfh, filename, oflag, shflag, pmode);
|
|
}
|
|
#endif
|
|
|
|
int test::close(int fildes) {
|
|
// Close the file first because close shouldn't be retried.
|
|
int result = ::close(fildes);
|
|
EMULATE_EINTR(close, -1);
|
|
return result;
|
|
}
|
|
|
|
int test::dup(int fildes) {
|
|
EMULATE_EINTR(dup, -1);
|
|
return ::dup(fildes);
|
|
}
|
|
|
|
int test::dup2(int fildes, int fildes2) {
|
|
EMULATE_EINTR(dup2, -1);
|
|
return ::dup2(fildes, fildes2);
|
|
}
|
|
|
|
FILE *test::fdopen(int fildes, const char *mode) {
|
|
EMULATE_EINTR(fdopen, 0);
|
|
return ::fdopen(fildes, mode);
|
|
}
|
|
|
|
int test::fileno(FILE *stream) {
|
|
EMULATE_EINTR(fileno, -1);
|
|
return ::fileno(stream);
|
|
}
|
|
|
|
test::ssize_t test::read(int fildes, void *buf, test::size_t nbyte) {
|
|
EMULATE_EINTR(read, -1);
|
|
return ::read(fildes, buf, nbyte);
|
|
}
|
|
|
|
test::ssize_t test::write(int fildes, const void *buf, test::size_t nbyte) {
|
|
EMULATE_EINTR(write, -1);
|
|
return ::write(fildes, buf, nbyte);
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
# define EXPECT_RETRY(statement, func, message) \
|
|
func##_count = 1; \
|
|
statement; \
|
|
EXPECT_EQ(4, func##_count); \
|
|
func##_count = 0;
|
|
#else
|
|
# define EXPECT_RETRY(statement, func, message) \
|
|
func##_count = 1; \
|
|
EXPECT_SYSTEM_ERROR(statement, EINTR, message); \
|
|
func##_count = 0;
|
|
#endif
|
|
|
|
TEST(FileTest, OpenRetry) {
|
|
EXPECT_RETRY(File file("CMakeLists.txt", File::RDONLY),
|
|
open, "cannot open file CMakeLists.txt");
|
|
}
|
|
|
|
// TODO: test retry on EINTR
|