1 | //===-- Unittests for chdir -----------------------------------------------===// |
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/chdir.h" |
11 | #include "src/unistd/close.h" |
12 | #include "test/UnitTest/ErrnoCheckingTest.h" |
13 | #include "test/UnitTest/ErrnoSetterMatcher.h" |
14 | #include "test/UnitTest/Test.h" |
15 | |
16 | #include "hdr/fcntl_macros.h" |
17 | |
18 | using LlvmLibcChdirTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest; |
19 | |
20 | TEST_F(LlvmLibcChdirTest, ChangeAndOpen) { |
21 | // The idea of this test is that we will first open an existing test file |
22 | // without changing the directory to make sure it exists. Next, we change |
23 | // directory and open the same file to make sure that the "chdir" operation |
24 | // succeeded. |
25 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; |
26 | constexpr const char *FILENAME = "testdata" ; |
27 | auto TEST_DIR = libc_make_test_file_path(FILENAME); |
28 | constexpr const char *FILENAME2 = "testdata/chdir.test" ; |
29 | auto TEST_FILE = libc_make_test_file_path(FILENAME2); |
30 | constexpr const char *FILENAME3 = "chdir.test" ; |
31 | auto TEST_FILE_BASE = libc_make_test_file_path(FILENAME3); |
32 | |
33 | int fd = LIBC_NAMESPACE::open(TEST_FILE, O_PATH); |
34 | ASSERT_GT(fd, 0); |
35 | ASSERT_ERRNO_SUCCESS(); |
36 | ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0)); |
37 | |
38 | ASSERT_THAT(LIBC_NAMESPACE::chdir(TEST_DIR), Succeeds(0)); |
39 | fd = LIBC_NAMESPACE::open(TEST_FILE_BASE, O_PATH); |
40 | ASSERT_GT(fd, 0); |
41 | ASSERT_ERRNO_SUCCESS(); |
42 | ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0)); |
43 | } |
44 | |
45 | TEST_F(LlvmLibcChdirTest, ChangeToNonExistentDir) { |
46 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
47 | ASSERT_THAT(LIBC_NAMESPACE::chdir("non-existent-dir" ), Fails(ENOENT)); |
48 | } |
49 | |