xref: /aosp_15_r20/external/llvm-libc/test/src/unistd/access_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Unittests for access ----------------------------------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #include "src/errno/libc_errno.h"
10*71db0c75SAndroid Build Coastguard Worker #include "src/fcntl/open.h"
11*71db0c75SAndroid Build Coastguard Worker #include "src/unistd/access.h"
12*71db0c75SAndroid Build Coastguard Worker #include "src/unistd/close.h"
13*71db0c75SAndroid Build Coastguard Worker #include "src/unistd/unlink.h"
14*71db0c75SAndroid Build Coastguard Worker #include "test/UnitTest/ErrnoSetterMatcher.h"
15*71db0c75SAndroid Build Coastguard Worker #include "test/UnitTest/Test.h"
16*71db0c75SAndroid Build Coastguard Worker 
17*71db0c75SAndroid Build Coastguard Worker #include <sys/stat.h>
18*71db0c75SAndroid Build Coastguard Worker #include <unistd.h>
19*71db0c75SAndroid Build Coastguard Worker 
TEST(LlvmLibcAccessTest,CreateAndTest)20*71db0c75SAndroid Build Coastguard Worker TEST(LlvmLibcAccessTest, CreateAndTest) {
21*71db0c75SAndroid Build Coastguard Worker   // The test strategy is to repeatedly create a file in different modes and
22*71db0c75SAndroid Build Coastguard Worker   // test that it is accessable in those modes but not in others.
23*71db0c75SAndroid Build Coastguard Worker   LIBC_NAMESPACE::libc_errno = 0;
24*71db0c75SAndroid Build Coastguard Worker   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
25*71db0c75SAndroid Build Coastguard Worker   constexpr const char *FILENAME = "access.test";
26*71db0c75SAndroid Build Coastguard Worker   auto TEST_FILE = libc_make_test_file_path(FILENAME);
27*71db0c75SAndroid Build Coastguard Worker   int fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);
28*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_SUCCESS();
29*71db0c75SAndroid Build Coastguard Worker   ASSERT_GT(fd, 0);
30*71db0c75SAndroid Build Coastguard Worker   ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
31*71db0c75SAndroid Build Coastguard Worker 
32*71db0c75SAndroid Build Coastguard Worker   ASSERT_EQ(LIBC_NAMESPACE::access(TEST_FILE, F_OK), 0);
33*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_SUCCESS();
34*71db0c75SAndroid Build Coastguard Worker   ASSERT_EQ(LIBC_NAMESPACE::access(TEST_FILE, X_OK | W_OK | R_OK), 0);
35*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_SUCCESS();
36*71db0c75SAndroid Build Coastguard Worker   ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0));
37*71db0c75SAndroid Build Coastguard Worker 
38*71db0c75SAndroid Build Coastguard Worker   fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IXUSR);
39*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_SUCCESS();
40*71db0c75SAndroid Build Coastguard Worker   ASSERT_GT(fd, 0);
41*71db0c75SAndroid Build Coastguard Worker   ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
42*71db0c75SAndroid Build Coastguard Worker   ASSERT_EQ(LIBC_NAMESPACE::access(TEST_FILE, F_OK), 0);
43*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_SUCCESS();
44*71db0c75SAndroid Build Coastguard Worker   ASSERT_EQ(LIBC_NAMESPACE::access(TEST_FILE, X_OK), 0);
45*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_SUCCESS();
46*71db0c75SAndroid Build Coastguard Worker   ASSERT_EQ(LIBC_NAMESPACE::access(TEST_FILE, R_OK), -1);
47*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_EQ(EACCES);
48*71db0c75SAndroid Build Coastguard Worker   LIBC_NAMESPACE::libc_errno = 0;
49*71db0c75SAndroid Build Coastguard Worker   ASSERT_EQ(LIBC_NAMESPACE::access(TEST_FILE, W_OK), -1);
50*71db0c75SAndroid Build Coastguard Worker   ASSERT_ERRNO_EQ(EACCES);
51*71db0c75SAndroid Build Coastguard Worker   LIBC_NAMESPACE::libc_errno = 0;
52*71db0c75SAndroid Build Coastguard Worker   ASSERT_THAT(LIBC_NAMESPACE::unlink(TEST_FILE), Succeeds(0));
53*71db0c75SAndroid Build Coastguard Worker }
54*71db0c75SAndroid Build Coastguard Worker 
TEST(LlvmLibcAccessTest,AccessNonExistentFile)55*71db0c75SAndroid Build Coastguard Worker TEST(LlvmLibcAccessTest, AccessNonExistentFile) {
56*71db0c75SAndroid Build Coastguard Worker   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
57*71db0c75SAndroid Build Coastguard Worker   ASSERT_THAT(LIBC_NAMESPACE::access("testdata/non-existent-file", F_OK),
58*71db0c75SAndroid Build Coastguard Worker               Fails(ENOENT));
59*71db0c75SAndroid Build Coastguard Worker }
60