48 lines · cpp
1//===-- Unittests for stat ------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/fcntl/open.h"10#include "src/sys/stat/stat.h"11#include "src/unistd/close.h"12#include "src/unistd/unlink.h"13#include "test/UnitTest/ErrnoCheckingTest.h"14#include "test/UnitTest/ErrnoSetterMatcher.h"15#include "test/UnitTest/Test.h"16 17#include "hdr/fcntl_macros.h"18#include <sys/stat.h>19 20using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;21using LlvmLibcStatTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;22 23TEST_F(LlvmLibcStatTest, CreatAndReadMode) {24 // The test file is initially writable. We open it for writing and ensure25 // that it indeed can be opened for writing. Next, we close the file and26 // make it readonly using chmod. We test that chmod actually succeeded by27 // trying to open the file for writing and failing.28 constexpr const char *TEST_FILE = "testdata/stat.test";29 30 int fd = LIBC_NAMESPACE::open(TEST_FILE, O_CREAT | O_WRONLY, S_IRWXU);31 ASSERT_GT(fd, 0);32 ASSERT_ERRNO_SUCCESS();33 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));34 35 struct stat statbuf;36 ASSERT_THAT(LIBC_NAMESPACE::stat(TEST_FILE, &statbuf), Succeeds(0));37 38 ASSERT_EQ(int(statbuf.st_mode), int(S_IRWXU | S_IFREG));39 40 ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0));41}42 43TEST_F(LlvmLibcStatTest, NonExistentFile) {44 struct stat statbuf;45 ASSERT_THAT(LIBC_NAMESPACE::stat("non-existent-file", &statbuf),46 Fails(ENOENT));47}48