1 //===-- Unittests for unlink ----------------------------------------------===//
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/close.h"
11 #include "src/unistd/unlink.h"
12 #include "test/ErrnoSetterMatcher.h"
13 #include "utils/UnitTest/Test.h"
14 #include "utils/testutils/FDReader.h"
15 
16 #include <errno.h>
17 
18 TEST(LlvmLibcUnlinkTest, CreateAndUnlink) {
19   using __llvm_libc::testing::ErrnoSetterMatcher::Succeeds;
20   constexpr const char *TEST_FILE = "testdata/unlink.test";
21   int write_fd = __llvm_libc::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);
22   ASSERT_EQ(errno, 0);
23   ASSERT_GT(write_fd, 0);
24   ASSERT_THAT(__llvm_libc::close(write_fd), Succeeds(0));
25   ASSERT_THAT(__llvm_libc::unlink(TEST_FILE), Succeeds(0));
26 }
27 
28 TEST(LlvmLibcUnlinkTest, UnlinkNonExistentFile) {
29   using __llvm_libc::testing::ErrnoSetterMatcher::Fails;
30   ASSERT_THAT(__llvm_libc::unlink("testdata/non-existent-file"), Fails(ENOENT));
31 }
32