1 //===-- Unittests for remove ----------------------------------------------===//
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/stdio/remove.h"
11 #include "src/sys/stat/mkdirat.h"
12 #include "src/unistd/access.h"
13 #include "src/unistd/close.h"
14 #include "test/UnitTest/ErrnoSetterMatcher.h"
15 #include "test/UnitTest/Test.h"
16
17 #include "src/errno/libc_errno.h"
18 #include <unistd.h>
19
TEST(LlvmLibcRemoveTest,CreateAndRemoveFile)20 TEST(LlvmLibcRemoveTest, CreateAndRemoveFile) {
21 // The test strategy is to create a file and remove it, and also verify that
22 // it was removed.
23 LIBC_NAMESPACE::libc_errno = 0;
24 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
25 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
26
27 constexpr const char *FILENAME = "remove.test.file";
28 auto TEST_FILE = libc_make_test_file_path(FILENAME);
29 int fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);
30 ASSERT_ERRNO_SUCCESS();
31 ASSERT_GT(fd, 0);
32 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
33
34 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, F_OK), Succeeds(0));
35 ASSERT_THAT(LIBC_NAMESPACE::remove(TEST_FILE), Succeeds(0));
36 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILE, F_OK), Fails(ENOENT));
37 }
38
TEST(LlvmLibcRemoveTest,CreateAndRemoveDir)39 TEST(LlvmLibcRemoveTest, CreateAndRemoveDir) {
40 // The test strategy is to create a dir and remove it, and also verify that
41 // it was removed.
42 LIBC_NAMESPACE::libc_errno = 0;
43 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
44 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
45 constexpr const char *FILENAME = "remove.test.dir";
46 auto TEST_DIR = libc_make_test_file_path(FILENAME);
47 ASSERT_THAT(LIBC_NAMESPACE::mkdirat(AT_FDCWD, TEST_DIR, S_IRWXU),
48 Succeeds(0));
49
50 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_DIR, F_OK), Succeeds(0));
51 ASSERT_THAT(LIBC_NAMESPACE::remove(TEST_DIR), Succeeds(0));
52 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_DIR, F_OK), Fails(ENOENT));
53 }
54
TEST(LlvmLibcRemoveTest,RemoveNonExistent)55 TEST(LlvmLibcRemoveTest, RemoveNonExistent) {
56 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
57 ASSERT_THAT(LIBC_NAMESPACE::remove("non-existent"), Fails(ENOENT));
58 }
59