559 lines
14 KiB
C++
559 lines
14 KiB
C++
// Tests of the C++ interface to POSIX functions that require mocks
|
|
//
|
|
// Copyright (c) 2012 - present, Victor Zverovich
|
|
// All rights reserved.
|
|
//
|
|
// For the license information refer to format.h.
|
|
|
|
// Disable bogus MSVC warnings.
|
|
#ifndef _CRT_SECURE_NO_WARNINGS
|
|
# define _CRT_SECURE_NO_WARNINGS
|
|
#endif
|
|
|
|
#include "posix-mock.h"
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
|
|
#include <climits>
|
|
#include <memory>
|
|
|
|
#include "../src/os.cc"
|
|
|
|
#ifdef _WIN32
|
|
# include <io.h>
|
|
# undef max
|
|
# undef ERROR
|
|
#endif
|
|
|
|
#include "gmock.h"
|
|
#include "gtest-extra.h"
|
|
#include "util.h"
|
|
|
|
using fmt::buffered_file;
|
|
using fmt::error_code;
|
|
|
|
using testing::_;
|
|
using testing::Return;
|
|
using testing::StrEq;
|
|
|
|
namespace {
|
|
int open_count;
|
|
int close_count;
|
|
int dup_count;
|
|
int dup2_count;
|
|
int fdopen_count;
|
|
int read_count;
|
|
int write_count;
|
|
int pipe_count;
|
|
int fopen_count;
|
|
int fclose_count;
|
|
int fileno_count;
|
|
std::size_t read_nbyte;
|
|
std::size_t write_nbyte;
|
|
bool sysconf_error;
|
|
|
|
enum { NONE, MAX_SIZE, ERROR } fstat_sim;
|
|
} // namespace
|
|
|
|
#define EMULATE_EINTR(func, error_result) \
|
|
if (func##_count != 0) { \
|
|
if (func##_count++ != 3) { \
|
|
errno = EINTR; \
|
|
return error_result; \
|
|
} \
|
|
}
|
|
|
|
#ifndef _MSC_VER
|
|
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
|
|
|
|
#ifndef _WIN32
|
|
|
|
long test::sysconf(int name) {
|
|
long result = ::sysconf(name);
|
|
if (!sysconf_error) return result;
|
|
// Simulate an error.
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
static off_t max_file_size() { return std::numeric_limits<off_t>::max(); }
|
|
|
|
int test::fstat(int fd, struct stat* buf) {
|
|
int result = ::fstat(fd, buf);
|
|
if (fstat_sim == MAX_SIZE) buf->st_size = max_file_size();
|
|
return result;
|
|
}
|
|
|
|
#else
|
|
|
|
static LONGLONG max_file_size() { return std::numeric_limits<LONGLONG>::max(); }
|
|
|
|
DWORD test::GetFileSize(HANDLE hFile, LPDWORD lpFileSizeHigh) {
|
|
if (fstat_sim == ERROR) {
|
|
SetLastError(ERROR_ACCESS_DENIED);
|
|
return INVALID_FILE_SIZE;
|
|
}
|
|
if (fstat_sim == MAX_SIZE) {
|
|
DWORD max = std::numeric_limits<DWORD>::max();
|
|
*lpFileSizeHigh = max >> 1;
|
|
return max;
|
|
}
|
|
return ::GetFileSize(hFile, lpFileSizeHigh);
|
|
}
|
|
|
|
#endif
|
|
|
|
int test::close(int fildes) {
|
|
// Close the file first because close shouldn't be retried.
|
|
int result = ::FMT_POSIX(close(fildes));
|
|
EMULATE_EINTR(close, -1);
|
|
return result;
|
|
}
|
|
|
|
int test::dup(int fildes) {
|
|
EMULATE_EINTR(dup, -1);
|
|
return ::FMT_POSIX(dup(fildes));
|
|
}
|
|
|
|
int test::dup2(int fildes, int fildes2) {
|
|
EMULATE_EINTR(dup2, -1);
|
|
return ::FMT_POSIX(dup2(fildes, fildes2));
|
|
}
|
|
|
|
FILE* test::fdopen(int fildes, const char* mode) {
|
|
EMULATE_EINTR(fdopen, nullptr);
|
|
return ::FMT_POSIX(fdopen(fildes, mode));
|
|
}
|
|
|
|
test::ssize_t test::read(int fildes, void* buf, test::size_t nbyte) {
|
|
read_nbyte = nbyte;
|
|
EMULATE_EINTR(read, -1);
|
|
return ::FMT_POSIX(read(fildes, buf, 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));
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
int test::pipe(int fildes[2]) {
|
|
EMULATE_EINTR(pipe, -1);
|
|
return ::pipe(fildes);
|
|
}
|
|
#else
|
|
int test::pipe(int* pfds, unsigned psize, int textmode) {
|
|
EMULATE_EINTR(pipe, -1);
|
|
return _pipe(pfds, psize, textmode);
|
|
}
|
|
#endif
|
|
|
|
FILE* test::fopen(const char* filename, const char* mode) {
|
|
EMULATE_EINTR(fopen, nullptr);
|
|
return ::fopen(filename, mode);
|
|
}
|
|
|
|
int test::fclose(FILE* stream) {
|
|
EMULATE_EINTR(fclose, EOF);
|
|
return ::fclose(stream);
|
|
}
|
|
|
|
int(test::fileno)(FILE* stream) {
|
|
EMULATE_EINTR(fileno, -1);
|
|
#ifdef fileno
|
|
return FMT_POSIX(fileno(stream));
|
|
#else
|
|
return ::FMT_POSIX(fileno(stream));
|
|
#endif
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
# define EXPECT_RETRY(statement, func, message) \
|
|
func##_count = 1; \
|
|
statement; \
|
|
EXPECT_EQ(4, func##_count); \
|
|
func##_count = 0;
|
|
# define EXPECT_EQ_POSIX(expected, actual) EXPECT_EQ(expected, actual)
|
|
#else
|
|
# define EXPECT_RETRY(statement, func, message) \
|
|
func##_count = 1; \
|
|
EXPECT_SYSTEM_ERROR(statement, EINTR, message); \
|
|
func##_count = 0;
|
|
# define EXPECT_EQ_POSIX(expected, actual)
|
|
#endif
|
|
|
|
static void write_file(fmt::cstring_view filename, fmt::string_view content) {
|
|
fmt::buffered_file f(filename, "w");
|
|
f.print("{}", content);
|
|
}
|
|
|
|
#if FMT_USE_FCNTL
|
|
using fmt::file;
|
|
|
|
TEST(UtilTest, GetPageSize) {
|
|
# ifdef _WIN32
|
|
SYSTEM_INFO si = {};
|
|
GetSystemInfo(&si);
|
|
EXPECT_EQ(si.dwPageSize, fmt::getpagesize());
|
|
# else
|
|
EXPECT_EQ(sysconf(_SC_PAGESIZE), fmt::getpagesize());
|
|
sysconf_error = true;
|
|
EXPECT_SYSTEM_ERROR(fmt::getpagesize(), EINVAL,
|
|
"cannot get memory page size");
|
|
sysconf_error = false;
|
|
# endif
|
|
}
|
|
|
|
TEST(FileTest, OpenRetry) {
|
|
write_file("temp", "there must be something here");
|
|
std::unique_ptr<file> f{nullptr};
|
|
EXPECT_RETRY(f.reset(new file("temp", file::RDONLY)), open,
|
|
"cannot open file temp");
|
|
# ifndef _WIN32
|
|
char c = 0;
|
|
f->read(&c, 1);
|
|
# endif
|
|
}
|
|
|
|
TEST(FileTest, CloseNoRetryInDtor) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
std::unique_ptr<file> f(new file(std::move(read_end)));
|
|
int saved_close_count = 0;
|
|
EXPECT_WRITE(
|
|
stderr,
|
|
{
|
|
close_count = 1;
|
|
f.reset(nullptr);
|
|
saved_close_count = close_count;
|
|
close_count = 0;
|
|
},
|
|
format_system_error(EINTR, "cannot close file") + "\n");
|
|
EXPECT_EQ(2, saved_close_count);
|
|
}
|
|
|
|
TEST(FileTest, CloseNoRetry) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
close_count = 1;
|
|
EXPECT_SYSTEM_ERROR(read_end.close(), EINTR, "cannot close file");
|
|
EXPECT_EQ(2, close_count);
|
|
close_count = 0;
|
|
}
|
|
|
|
TEST(FileTest, Size) {
|
|
std::string content = "top secret, destroy before reading";
|
|
write_file("temp", content);
|
|
file f("temp", file::RDONLY);
|
|
EXPECT_GE(f.size(), 0);
|
|
EXPECT_EQ(content.size(), static_cast<unsigned long long>(f.size()));
|
|
# ifdef _WIN32
|
|
fmt::memory_buffer message;
|
|
fmt::internal::format_windows_error(message, ERROR_ACCESS_DENIED,
|
|
"cannot get file size");
|
|
fstat_sim = ERROR;
|
|
EXPECT_THROW_MSG(f.size(), fmt::windows_error, fmt::to_string(message));
|
|
fstat_sim = NONE;
|
|
# else
|
|
f.close();
|
|
EXPECT_SYSTEM_ERROR(f.size(), EBADF, "cannot get file attributes");
|
|
# endif
|
|
}
|
|
|
|
TEST(FileTest, MaxSize) {
|
|
write_file("temp", "");
|
|
file f("temp", file::RDONLY);
|
|
fstat_sim = MAX_SIZE;
|
|
EXPECT_GE(f.size(), 0);
|
|
EXPECT_EQ(max_file_size(), f.size());
|
|
fstat_sim = NONE;
|
|
}
|
|
|
|
TEST(FileTest, ReadRetry) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
enum { SIZE = 4 };
|
|
write_end.write("test", SIZE);
|
|
write_end.close();
|
|
char buffer[SIZE];
|
|
std::size_t count = 0;
|
|
EXPECT_RETRY(count = read_end.read(buffer, SIZE), read,
|
|
"cannot read from file");
|
|
EXPECT_EQ_POSIX(static_cast<std::streamsize>(SIZE), count);
|
|
}
|
|
|
|
TEST(FileTest, WriteRetry) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
enum { SIZE = 4 };
|
|
std::size_t count = 0;
|
|
EXPECT_RETRY(count = write_end.write("test", SIZE), write,
|
|
"cannot write to file");
|
|
write_end.close();
|
|
# ifndef _WIN32
|
|
EXPECT_EQ(static_cast<std::streamsize>(SIZE), count);
|
|
char buffer[SIZE + 1];
|
|
read_end.read(buffer, SIZE);
|
|
buffer[SIZE] = '\0';
|
|
EXPECT_STREQ("test", buffer);
|
|
# endif
|
|
}
|
|
|
|
# ifdef _WIN32
|
|
TEST(FileTest, ConvertReadCount) {
|
|
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;
|
|
read_nbyte = 0;
|
|
EXPECT_THROW(read_end.read(&c, size), fmt::system_error);
|
|
read_count = 0;
|
|
EXPECT_EQ(UINT_MAX, read_nbyte);
|
|
}
|
|
|
|
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::system_error);
|
|
write_count = 0;
|
|
EXPECT_EQ(UINT_MAX, write_nbyte);
|
|
}
|
|
# endif
|
|
|
|
TEST(FileTest, DupNoRetry) {
|
|
int stdout_fd = FMT_POSIX(fileno(stdout));
|
|
dup_count = 1;
|
|
EXPECT_SYSTEM_ERROR(
|
|
file::dup(stdout_fd), EINTR,
|
|
fmt::format("cannot duplicate file descriptor {}", stdout_fd));
|
|
dup_count = 0;
|
|
}
|
|
|
|
TEST(FileTest, Dup2Retry) {
|
|
int stdout_fd = FMT_POSIX(fileno(stdout));
|
|
file f1 = file::dup(stdout_fd), f2 = file::dup(stdout_fd);
|
|
EXPECT_RETRY(f1.dup2(f2.descriptor()), dup2,
|
|
fmt::format("cannot duplicate file descriptor {} to {}",
|
|
f1.descriptor(), f2.descriptor()));
|
|
}
|
|
|
|
TEST(FileTest, Dup2NoExceptRetry) {
|
|
int stdout_fd = FMT_POSIX(fileno(stdout));
|
|
file f1 = file::dup(stdout_fd), f2 = file::dup(stdout_fd);
|
|
error_code ec;
|
|
dup2_count = 1;
|
|
f1.dup2(f2.descriptor(), ec);
|
|
# ifndef _WIN32
|
|
EXPECT_EQ(4, dup2_count);
|
|
# else
|
|
EXPECT_EQ(EINTR, ec.get());
|
|
# endif
|
|
dup2_count = 0;
|
|
}
|
|
|
|
TEST(FileTest, PipeNoRetry) {
|
|
file read_end, write_end;
|
|
pipe_count = 1;
|
|
EXPECT_SYSTEM_ERROR(file::pipe(read_end, write_end), EINTR,
|
|
"cannot create pipe");
|
|
pipe_count = 0;
|
|
}
|
|
|
|
TEST(FileTest, FdopenNoRetry) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
fdopen_count = 1;
|
|
EXPECT_SYSTEM_ERROR(read_end.fdopen("r"), EINTR,
|
|
"cannot associate stream with file descriptor");
|
|
fdopen_count = 0;
|
|
}
|
|
|
|
TEST(BufferedFileTest, OpenRetry) {
|
|
write_file("temp", "there must be something here");
|
|
std::unique_ptr<buffered_file> f{nullptr};
|
|
EXPECT_RETRY(f.reset(new buffered_file("temp", "r")), fopen,
|
|
"cannot open file temp");
|
|
# ifndef _WIN32
|
|
char c = 0;
|
|
if (fread(&c, 1, 1, f->get()) < 1)
|
|
throw fmt::system_error(errno, "fread failed");
|
|
# endif
|
|
}
|
|
|
|
TEST(BufferedFileTest, CloseNoRetryInDtor) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
std::unique_ptr<buffered_file> f(new buffered_file(read_end.fdopen("r")));
|
|
int saved_fclose_count = 0;
|
|
EXPECT_WRITE(
|
|
stderr,
|
|
{
|
|
fclose_count = 1;
|
|
f.reset(nullptr);
|
|
saved_fclose_count = fclose_count;
|
|
fclose_count = 0;
|
|
},
|
|
format_system_error(EINTR, "cannot close file") + "\n");
|
|
EXPECT_EQ(2, saved_fclose_count);
|
|
}
|
|
|
|
TEST(BufferedFileTest, CloseNoRetry) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
buffered_file f = read_end.fdopen("r");
|
|
fclose_count = 1;
|
|
EXPECT_SYSTEM_ERROR(f.close(), EINTR, "cannot close file");
|
|
EXPECT_EQ(2, fclose_count);
|
|
fclose_count = 0;
|
|
}
|
|
|
|
TEST(BufferedFileTest, FilenoNoRetry) {
|
|
file read_end, write_end;
|
|
file::pipe(read_end, write_end);
|
|
buffered_file f = read_end.fdopen("r");
|
|
fileno_count = 1;
|
|
EXPECT_SYSTEM_ERROR((f.fileno)(), EINTR, "cannot get file descriptor");
|
|
EXPECT_EQ(2, fileno_count);
|
|
fileno_count = 0;
|
|
}
|
|
#endif // FMT_USE_FCNTL
|
|
|
|
struct test_mock {
|
|
static test_mock* instance;
|
|
} * test_mock::instance;
|
|
|
|
TEST(ScopedMock, Scope) {
|
|
{
|
|
ScopedMock<test_mock> mock;
|
|
EXPECT_EQ(&mock, test_mock::instance);
|
|
test_mock& copy = mock;
|
|
static_cast<void>(copy);
|
|
}
|
|
EXPECT_EQ(nullptr, test_mock::instance);
|
|
}
|
|
|
|
#ifdef FMT_LOCALE
|
|
|
|
typedef fmt::locale::type locale_type;
|
|
|
|
struct locale_mock {
|
|
static locale_mock* instance;
|
|
MOCK_METHOD3(newlocale, locale_type(int category_mask, const char* locale,
|
|
locale_type base));
|
|
MOCK_METHOD1(freelocale, void(locale_type locale));
|
|
|
|
MOCK_METHOD3(strtod_l,
|
|
double(const char* nptr, char** endptr, locale_type locale));
|
|
} * locale_mock::instance;
|
|
|
|
# ifdef _MSC_VER
|
|
# pragma warning(push)
|
|
# pragma warning(disable : 4273)
|
|
# ifdef __clang__
|
|
# pragma clang diagnostic push
|
|
# pragma clang diagnostic ignored "-Winconsistent-dllimport"
|
|
# endif
|
|
|
|
_locale_t _create_locale(int category, const char* locale) {
|
|
return locale_mock::instance->newlocale(category, locale, 0);
|
|
}
|
|
|
|
void _free_locale(_locale_t locale) {
|
|
locale_mock::instance->freelocale(locale);
|
|
}
|
|
|
|
double _strtod_l(const char* nptr, char** endptr, _locale_t locale) {
|
|
return locale_mock::instance->strtod_l(nptr, endptr, locale);
|
|
}
|
|
# ifdef __clang__
|
|
# pragma clang diagnostic pop
|
|
# endif
|
|
# pragma warning(pop)
|
|
# endif
|
|
|
|
# if defined(__THROW) && FMT_GCC_VERSION > 0 && FMT_GCC_VERSION <= 408
|
|
# define FMT_LOCALE_THROW __THROW
|
|
# else
|
|
# define FMT_LOCALE_THROW
|
|
# endif
|
|
|
|
# if defined(__APPLE__) || \
|
|
(defined(__FreeBSD__) && __FreeBSD_version < 1200002)
|
|
typedef int FreeLocaleResult;
|
|
# else
|
|
typedef void FreeLocaleResult;
|
|
# endif
|
|
|
|
FreeLocaleResult freelocale(locale_type locale) FMT_LOCALE_THROW {
|
|
locale_mock::instance->freelocale(locale);
|
|
return FreeLocaleResult();
|
|
}
|
|
|
|
double strtod_l(const char* nptr, char** endptr,
|
|
locale_type locale) FMT_LOCALE_THROW {
|
|
return locale_mock::instance->strtod_l(nptr, endptr, locale);
|
|
}
|
|
|
|
# undef FMT_LOCALE_THROW
|
|
|
|
# ifndef _WIN32
|
|
locale_t test::newlocale(int category_mask, const char* locale, locale_t base) {
|
|
return locale_mock::instance->newlocale(category_mask, locale, base);
|
|
}
|
|
|
|
TEST(LocaleTest, LocaleMock) {
|
|
ScopedMock<locale_mock> mock;
|
|
locale_type locale = reinterpret_cast<locale_type>(11);
|
|
EXPECT_CALL(mock, newlocale(222, StrEq("foo"), locale));
|
|
FMT_SYSTEM(newlocale(222, "foo", locale));
|
|
}
|
|
# endif
|
|
|
|
TEST(LocaleTest, Locale) {
|
|
# ifndef LC_NUMERIC_MASK
|
|
enum { LC_NUMERIC_MASK = LC_NUMERIC };
|
|
# endif
|
|
ScopedMock<locale_mock> mock;
|
|
locale_type impl = reinterpret_cast<locale_type>(42);
|
|
EXPECT_CALL(mock, newlocale(LC_NUMERIC_MASK, StrEq("C"), nullptr))
|
|
.WillOnce(Return(impl));
|
|
EXPECT_CALL(mock, freelocale(impl));
|
|
fmt::locale loc;
|
|
EXPECT_EQ(impl, loc.get());
|
|
}
|
|
|
|
TEST(LocaleTest, Strtod) {
|
|
ScopedMock<locale_mock> mock;
|
|
EXPECT_CALL(mock, newlocale(_, _, _))
|
|
.WillOnce(Return(reinterpret_cast<locale_type>(42)));
|
|
EXPECT_CALL(mock, freelocale(_));
|
|
fmt::locale loc;
|
|
const char* str = "4.2";
|
|
char end = 'x';
|
|
EXPECT_CALL(mock, strtod_l(str, _, loc.get()))
|
|
.WillOnce(testing::DoAll(testing::SetArgPointee<1>(&end), Return(777)));
|
|
EXPECT_EQ(777, loc.strtod(str));
|
|
EXPECT_EQ(&end, str);
|
|
}
|
|
|
|
#endif // FMT_LOCALE
|