1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <libgen.h>
18
19#include <errno.h>
20#include <gtest/gtest.h>
21
22static void TestDirname(const char* in, const char* expected_out) {
23  char* writable_in = (in != NULL) ? strdup(in) : NULL;
24  errno = 0;
25  const char* out = dirname(&writable_in[0]);
26  ASSERT_STREQ(expected_out, out) << in;
27  ASSERT_EQ(0, errno) << in;
28  free(writable_in);
29}
30
31TEST(libgen, dirname) {
32  TestDirname(NULL, ".");
33  TestDirname("", ".");
34  TestDirname("/usr/lib", "/usr");
35  TestDirname("/usr/", "/");
36  TestDirname("usr", ".");
37  TestDirname(".", ".");
38  TestDirname("..", ".");
39  TestDirname("/", "/");
40}
41
42#if defined(__BIONIC__) && !defined(__LP64__)
43static void TestBasename(const char* in, const char* expected_out, int expected_rc,
44                         char* buf, size_t buf_size, int expected_errno) {
45  errno = 0;
46  int rc = basename_r(in, buf, buf_size);
47  ASSERT_EQ(expected_rc, rc) << in;
48  if (rc != -1 && buf != NULL) {
49    ASSERT_STREQ(expected_out, buf) << in;
50  }
51  ASSERT_EQ(expected_errno, errno) << in;
52}
53
54static void TestDirname(const char* in, const char* expected_out, int expected_rc,
55                        char* buf, size_t buf_size, int expected_errno) {
56  errno = 0;
57  int rc = dirname_r(in, buf, buf_size);
58  ASSERT_EQ(expected_rc, rc) << in;
59  if (rc != -1 && buf != NULL) {
60    ASSERT_STREQ(expected_out, buf) << in;
61  }
62  ASSERT_EQ(expected_errno, errno) << in;
63}
64#endif // __BIONIC__
65
66TEST(libgen, basename_r) {
67#if defined(__BIONIC__) && !defined(__LP64__)
68  char buf[256];
69  TestBasename("", ".",  1, NULL, 0, 0);
70  TestBasename("", ".", -1, buf, 0, ERANGE);
71  TestBasename("", ".", -1, buf, 1, ERANGE);
72  TestBasename("", ".", 1, buf, 2, 0);
73  TestBasename("", ".", 1, buf, sizeof(buf), 0);
74  TestBasename("/usr/lib", "lib", 3, buf, sizeof(buf), 0);
75  TestBasename("/usr/", "usr", 3, buf, sizeof(buf), 0);
76  TestBasename("usr", "usr", 3, buf, sizeof(buf), 0);
77  TestBasename("/", "/", 1, buf, sizeof(buf), 0);
78  TestBasename(".", ".", 1, buf, sizeof(buf), 0);
79  TestBasename("..", "..", 2, buf, sizeof(buf), 0);
80#else // __BIONIC__
81  GTEST_LOG_(INFO) << "This test does nothing.\n";
82#endif // __BIONIC__
83}
84
85TEST(libgen, dirname_r) {
86#if defined(__BIONIC__) && !defined(__LP64__)
87  char buf[256];
88  TestDirname("", ".",  1, NULL, 0, 0);
89  TestDirname("", ".", -1, buf, 0, ERANGE);
90  TestDirname("", ".", -1, buf, 1, ERANGE);
91  TestDirname("", ".", 1, buf, 2, 0);
92  TestDirname("/usr/lib", "/usr", 4, buf, sizeof(buf), 0);
93  TestDirname("/usr/", "/", 1, buf, sizeof(buf), 0);
94  TestDirname("usr", ".", 1, buf, sizeof(buf), 0);
95  TestDirname(".", ".", 1, buf, sizeof(buf), 0);
96  TestDirname("..", ".", 1, buf, sizeof(buf), 0);
97#else // __BIONIC__
98  GTEST_LOG_(INFO) << "This test does nothing.\n";
99#endif // __BIONIC__
100}
101