52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
//===-- Unittests for lstat -----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/errno/libc_errno.h"
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#include "src/fcntl/open.h"
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#include "src/sys/stat/lstat.h"
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#include "src/unistd/close.h"
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#include "src/unistd/unlink.h"
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#include "test/UnitTest/ErrnoSetterMatcher.h"
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#include "test/UnitTest/Test.h"
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#include "hdr/fcntl_macros.h"
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#include <sys/stat.h>
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TEST(LlvmLibcLStatTest, CreatAndReadMode) {
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using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
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using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
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// The test file is initially writable. We open it for writing and ensure
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// that it indeed can be opened for writing. Next, we close the file and
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// make it readonly using chmod. We test that chmod actually succeeded by
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// trying to open the file for writing and failing.
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constexpr const char *TEST_FILE = "testdata/lstat.test";
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LIBC_NAMESPACE::libc_errno = 0;
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int fd = LIBC_NAMESPACE::open(TEST_FILE, O_CREAT | O_WRONLY, S_IRWXU);
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ASSERT_GT(fd, 0);
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ASSERT_ERRNO_SUCCESS();
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ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
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struct stat statbuf;
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ASSERT_THAT(LIBC_NAMESPACE::lstat(TEST_FILE, &statbuf), Succeeds(0));
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ASSERT_EQ(int(statbuf.st_mode), int(S_IRWXU | S_IFREG));
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ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0));
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}
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TEST(LlvmLibcLStatTest, NonExistentFile) {
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LIBC_NAMESPACE::libc_errno = 0;
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using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
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struct stat statbuf;
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ASSERT_THAT(LIBC_NAMESPACE::lstat("non-existent-file", &statbuf),
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Fails(ENOENT));
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LIBC_NAMESPACE::libc_errno = 0;
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}
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