1//===-- Unittests for unlinkat --------------------------------------------===//
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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/fcntl/open.h"
10#include "src/fcntl/openat.h"
11#include "src/unistd/close.h"
12#include "src/unistd/unlinkat.h"
13#include "test/UnitTest/ErrnoCheckingTest.h"
14#include "test/UnitTest/ErrnoSetterMatcher.h"
15#include "test/UnitTest/Test.h"
16
17#include <sys/stat.h>
18
19using LlvmLibcUnlinkatTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
20
21TEST_F(LlvmLibcUnlinkatTest, CreateAndDeleteTest) {
22 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
23 constexpr const char *FILENAME = "testdata";
24 auto TEST_DIR = libc_make_test_file_path(FILENAME);
25 constexpr const char *FILENAME2 = "openat.test";
26 auto TEST_FILE = libc_make_test_file_path(FILENAME2);
27 int dir_fd = LIBC_NAMESPACE::open(TEST_DIR, O_DIRECTORY);
28 ASSERT_ERRNO_SUCCESS();
29 ASSERT_GT(dir_fd, 0);
30 int write_fd =
31 LIBC_NAMESPACE::openat(dir_fd, TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);
32 ASSERT_ERRNO_SUCCESS();
33 ASSERT_GT(write_fd, 0);
34 ASSERT_THAT(LIBC_NAMESPACE::close(write_fd), Succeeds(0));
35 ASSERT_THAT(LIBC_NAMESPACE::unlinkat(dir_fd, TEST_FILE, 0), Succeeds(0));
36 ASSERT_THAT(LIBC_NAMESPACE::close(dir_fd), Succeeds(0));
37}
38
39TEST_F(LlvmLibcUnlinkatTest, UnlinkatNonExistentFile) {
40 constexpr const char *FILENAME = "testdata";
41 auto TEST_DIR = libc_make_test_file_path(FILENAME);
42 int dir_fd = LIBC_NAMESPACE::open(TEST_DIR, O_DIRECTORY);
43 ASSERT_ERRNO_SUCCESS();
44 ASSERT_GT(dir_fd, 0);
45 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
46 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
47 ASSERT_THAT(LIBC_NAMESPACE::unlinkat(dir_fd, "non-existent-file", 0),
48 Fails(ENOENT));
49 ASSERT_THAT(LIBC_NAMESPACE::close(dir_fd), Succeeds(0));
50}
51

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source code of libc/test/src/unistd/unlinkat_test.cpp