70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
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/*
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Test wrappers around POSIX functions.
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Copyright (c) 2012-2014, Victor Zverovich
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "posix-test.h"
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#undef open
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#include <errno.h>
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#include <fcntl.h>
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#include "gtest-extra.h"
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namespace {
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int open_count;
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}
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#ifndef _WIN32
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int test::open(const char *path, int oflag, int mode) {
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if ((open_count++ % 3) == 2)
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return ::open(path, oflag, mode);
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errno = EINTR;
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return -1;
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}
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#else
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errno_t test::sopen_s(int* pfh, const char *filename, int oflag, int shflag, int pmode) {
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return _sopen_s(pfh, filename, oflag, shflag, pmode);
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}
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#endif
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#ifndef _WIN32
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# define EXPECT_RETRY(statement, func, message) \
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func##_count = 0; \
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statement; \
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EXPECT_EQ(3, func##_count);
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#else
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# define EXPECT_RETRY(statement, func, message) \
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EXPECT_SYSTEM_ERROR(statement, EINTR, message);
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#endif
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TEST(FileTest, OpenRetry) {
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EXPECT_RETRY(File file("CMakeLists.txt", File::RDONLY),
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open, "cannot open file CMakeLists.txt");
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}
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// TODO: test retry on EINTR
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