| 1 | //===-- Unittests for openat ----------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "src/__support/libc_errno.h" |
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| 10 | #include "src/fcntl/open.h" |
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| 11 | #include "src/fcntl/openat.h" |
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| 12 | #include "src/unistd/close.h" |
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| 13 | #include "src/unistd/read.h" |
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| 14 | #include "test/UnitTest/ErrnoSetterMatcher.h" |
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| 15 | #include "test/UnitTest/Test.h" |
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| 16 | |
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| 17 | #include "hdr/fcntl_macros.h" |
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| 18 | |
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| 19 | TEST(LlvmLibcUniStd, OpenAndReadTest) { |
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| 20 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; |
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| 21 | constexpr const char *TEST_DIR = "testdata" ; |
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| 22 | constexpr const char *TEST_FILE = "openat.test" ; |
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| 23 | int dir_fd = LIBC_NAMESPACE::open(TEST_DIR, O_DIRECTORY); |
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| 24 | ASSERT_ERRNO_SUCCESS(); |
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| 25 | ASSERT_GT(dir_fd, 0); |
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| 26 | constexpr const char TEST_MSG[] = "openat test" ; |
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| 27 | constexpr ssize_t TEST_MSG_SIZE = sizeof(TEST_MSG) - 1; |
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| 28 | |
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| 29 | int read_fd = LIBC_NAMESPACE::openat(dir_fd, TEST_FILE, O_RDONLY); |
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| 30 | ASSERT_ERRNO_SUCCESS(); |
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| 31 | ASSERT_GT(read_fd, 0); |
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| 32 | char read_buf[TEST_MSG_SIZE]; |
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| 33 | ASSERT_THAT(LIBC_NAMESPACE::read(read_fd, read_buf, TEST_MSG_SIZE), |
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| 34 | Succeeds(TEST_MSG_SIZE)); |
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| 35 | ASSERT_THAT(LIBC_NAMESPACE::close(read_fd), Succeeds(0)); |
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| 36 | ASSERT_THAT(LIBC_NAMESPACE::close(dir_fd), Succeeds(0)); |
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| 37 | } |
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| 38 | |
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| 39 | TEST(LlvmLibcUniStd, FailTest) { |
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| 40 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
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| 41 | EXPECT_THAT(LIBC_NAMESPACE::openat(AT_FDCWD, "openat.test" , O_RDONLY), |
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| 42 | Fails(ENOENT)); |
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| 43 | } |
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| 44 | |
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