1//===-- Unittests for access ----------------------------------------------===//
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/unistd/access.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 <sys/stat.h>
18#include <unistd.h>
19
20using LlvmLibcAccessTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
21
22TEST_F(LlvmLibcAccessTest, CreateAndTest) {
23 // The test strategy is to repeatedly create a file in different modes and
24 // test that it is accessable in those modes but not in others.
25 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
26 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
27 constexpr const char *FILENAME = "access.test";
28 auto TEST_FILE = libc_make_test_file_path(FILENAME);
29 int fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);
30 ASSERT_ERRNO_SUCCESS();
31 ASSERT_GT(fd, 0);
32 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
33
34 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, F_OK), Succeeds(0));
35 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, X_OK | W_OK | R_OK),
36 Succeeds(0));
37 ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0));
38
39 fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IXUSR);
40 ASSERT_ERRNO_SUCCESS();
41 ASSERT_GT(fd, 0);
42 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
43 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, F_OK), Succeeds(0));
44 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, X_OK), Succeeds(0));
45 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, R_OK), Fails(EACCES));
46 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, W_OK), Fails(EACCES));
47 ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0));
48}
49
50TEST_F(LlvmLibcAccessTest, AccessNonExistentFile) {
51 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
52 ASSERT_THAT(LIBC_NAMESPACE::access("testdata/non-existent-file", F_OK),
53 Fails(ENOENT));
54}
55

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