| 1 | //===-- Unittests for access ----------------------------------------------===// |
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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/fcntl/open.h" |
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| 10 | #include "src/unistd/access.h" |
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| 11 | #include "src/unistd/close.h" |
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| 12 | #include "src/unistd/unlink.h" |
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| 13 | #include "test/UnitTest/ErrnoCheckingTest.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 <sys/stat.h> |
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| 18 | #include <unistd.h> |
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| 19 | |
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| 20 | using LlvmLibcAccessTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest; |
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| 21 | |
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| 22 | TEST_F(LlvmLibcAccessTest, CreateAndTest) { |
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| 23 | // The test strategy is to repeatedly create a file in different modes and |
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| 24 | // test that it is accessable in those modes but not in others. |
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| 25 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
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| 26 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; |
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| 27 | constexpr const char *FILENAME = "access.test" ; |
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| 28 | auto TEST_FILE = libc_make_test_file_path(FILENAME); |
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| 29 | int fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU); |
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| 30 | ASSERT_ERRNO_SUCCESS(); |
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| 31 | ASSERT_GT(fd, 0); |
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| 32 | ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0)); |
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| 33 | |
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| 34 | ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, F_OK), Succeeds(0)); |
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| 35 | ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, X_OK | W_OK | R_OK), |
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| 36 | Succeeds(0)); |
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| 37 | ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0)); |
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| 38 | |
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| 39 | fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IXUSR); |
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| 40 | ASSERT_ERRNO_SUCCESS(); |
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| 41 | ASSERT_GT(fd, 0); |
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| 42 | ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0)); |
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| 43 | ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, F_OK), Succeeds(0)); |
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| 44 | ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, X_OK), Succeeds(0)); |
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| 45 | ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, R_OK), Fails(EACCES)); |
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| 46 | ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, W_OK), Fails(EACCES)); |
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| 47 | ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0)); |
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| 48 | } |
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| 49 | |
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| 50 | TEST_F(LlvmLibcAccessTest, AccessNonExistentFile) { |
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| 51 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
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| 52 | ASSERT_THAT(LIBC_NAMESPACE::access("testdata/non-existent-file" , F_OK), |
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| 53 | Fails(ENOENT)); |
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| 54 | } |
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| 55 | |
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