| //===-- Unittests for chdir -----------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/errno/libc_errno.h" |
| #include "src/fcntl/open.h" |
| #include "src/unistd/chdir.h" |
| #include "src/unistd/close.h" |
| #include "test/UnitTest/ErrnoSetterMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| #include <fcntl.h> |
| |
| TEST(LlvmLibcChdirTest, ChangeAndOpen) { |
| // The idea of this test is that we will first open an existing test file |
| // without changing the directory to make sure it exists. Next, we change |
| // directory and open the same file to make sure that the "chdir" operation |
| // succeeded. |
| using __llvm_libc::testing::ErrnoSetterMatcher::Succeeds; |
| constexpr const char *TEST_DIR = "testdata"; |
| constexpr const char *TEST_FILE = "testdata/chdir.test"; |
| constexpr const char *TEST_FILE_BASE = "chdir.test"; |
| libc_errno = 0; |
| |
| int fd = __llvm_libc::open(TEST_FILE, O_PATH); |
| ASSERT_GT(fd, 0); |
| ASSERT_EQ(libc_errno, 0); |
| ASSERT_THAT(__llvm_libc::close(fd), Succeeds(0)); |
| |
| ASSERT_THAT(__llvm_libc::chdir(TEST_DIR), Succeeds(0)); |
| fd = __llvm_libc::open(TEST_FILE_BASE, O_PATH); |
| ASSERT_GT(fd, 0); |
| ASSERT_EQ(libc_errno, 0); |
| ASSERT_THAT(__llvm_libc::close(fd), Succeeds(0)); |
| } |
| |
| TEST(LlvmLibcChdirTest, ChangeToNonExistentDir) { |
| libc_errno = 0; |
| using __llvm_libc::testing::ErrnoSetterMatcher::Fails; |
| ASSERT_THAT(__llvm_libc::chdir("non-existent-dir"), Fails(ENOENT)); |
| libc_errno = 0; |
| } |