| //===-- Unittests for openat ----------------------------------------------===// |
| // |
| // 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/fcntl/openat.h" |
| #include "src/unistd/close.h" |
| #include "src/unistd/read.h" |
| #include "test/UnitTest/ErrnoSetterMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| #include <fcntl.h> |
| |
| TEST(LlvmLibcUniStd, OpenAndReadTest) { |
| using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; |
| constexpr const char *TEST_DIR = "testdata"; |
| constexpr const char *TEST_FILE = "openat.test"; |
| int dir_fd = LIBC_NAMESPACE::open(TEST_DIR, O_DIRECTORY); |
| ASSERT_ERRNO_SUCCESS(); |
| ASSERT_GT(dir_fd, 0); |
| constexpr const char TEST_MSG[] = "openat test"; |
| constexpr int TEST_MSG_SIZE = sizeof(TEST_MSG) - 1; |
| |
| int read_fd = LIBC_NAMESPACE::openat(dir_fd, TEST_FILE, O_RDONLY); |
| ASSERT_ERRNO_SUCCESS(); |
| ASSERT_GT(read_fd, 0); |
| char read_buf[TEST_MSG_SIZE]; |
| ASSERT_THAT(LIBC_NAMESPACE::read(read_fd, read_buf, TEST_MSG_SIZE), |
| Succeeds(TEST_MSG_SIZE)); |
| ASSERT_THAT(LIBC_NAMESPACE::close(read_fd), Succeeds(0)); |
| ASSERT_THAT(LIBC_NAMESPACE::close(dir_fd), Succeeds(0)); |
| } |
| |
| TEST(LlvmLibcUniStd, FailTest) { |
| using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
| EXPECT_THAT(LIBC_NAMESPACE::openat(AT_FDCWD, "openat.test", O_RDONLY), |
| Fails(ENOENT)); |
| } |