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 <gtest/gtest.h>
18
19 #include <libgen.h>
20
21 #include <errno.h>
22
TestBasename(const char * in,const char * expected_out)23 static void TestBasename(const char* in, const char* expected_out) {
24 char* writable_in = (in != NULL) ? strdup(in) : NULL;
25 errno = 0;
26 const char* out = basename(&writable_in[0]);
27 ASSERT_STREQ(expected_out, out) << in;
28 ASSERT_EQ(0, errno) << in;
29 free(writable_in);
30 }
31
TestDirname(const char * in,const char * expected_out)32 static void TestDirname(const char* in, const char* expected_out) {
33 char* writable_in = (in != NULL) ? strdup(in) : NULL;
34 errno = 0;
35 const char* out = dirname(&writable_in[0]);
36 ASSERT_STREQ(expected_out, out) << in;
37 ASSERT_EQ(0, errno) << in;
38 free(writable_in);
39 }
40
TEST(libgen,basename)41 TEST(libgen, basename) {
42 TestBasename(NULL, ".");
43 TestBasename("", ".");
44 TestBasename("/usr/lib", "lib");
45 TestBasename("/usr/", "usr");
46 TestBasename("usr", "usr");
47 TestBasename("/", "/");
48 TestBasename(".", ".");
49 TestBasename("..", "..");
50 TestBasename("///", "/");
51 TestBasename("//usr//lib//", "lib");
52 }
53
TEST(libgen,dirname)54 TEST(libgen, dirname) {
55 TestDirname(NULL, ".");
56 TestDirname("", ".");
57 TestDirname("/usr/lib", "/usr");
58 TestDirname("/usr/", "/");
59 TestDirname("usr", ".");
60 TestDirname(".", ".");
61 TestDirname("..", ".");
62 TestDirname("/", "/");
63 }
64
65 #if __BIONIC__
66
TestBasename(const char * in,const char * expected_out,int expected_rc,char * buf,size_t buf_size,int expected_errno)67 static void TestBasename(const char* in, const char* expected_out, int expected_rc,
68 char* buf, size_t buf_size, int expected_errno) {
69 errno = 0;
70 int rc = basename_r(in, buf, buf_size);
71 ASSERT_EQ(expected_rc, rc) << in;
72 if (rc != -1 && buf != NULL) {
73 ASSERT_STREQ(expected_out, buf) << in;
74 }
75 ASSERT_EQ(expected_errno, errno) << in;
76 }
77
TestDirname(const char * in,const char * expected_out,int expected_rc,char * buf,size_t buf_size,int expected_errno)78 static void TestDirname(const char* in, const char* expected_out, int expected_rc,
79 char* buf, size_t buf_size, int expected_errno) {
80 errno = 0;
81 int rc = dirname_r(in, buf, buf_size);
82 ASSERT_EQ(expected_rc, rc) << in;
83 if (rc != -1 && buf != NULL) {
84 ASSERT_STREQ(expected_out, buf) << in;
85 }
86 ASSERT_EQ(expected_errno, errno) << in;
87 }
88
TEST(libgen,basename_r)89 TEST(libgen, basename_r) {
90 char buf[256];
91 TestBasename("", ".", 1, NULL, 0, 0);
92 TestBasename("", ".", -1, buf, 0, ERANGE);
93 TestBasename("", ".", -1, buf, 1, ERANGE);
94 TestBasename("", ".", 1, buf, 2, 0);
95 TestBasename("", ".", 1, buf, sizeof(buf), 0);
96 TestBasename("/usr/lib", "lib", 3, buf, sizeof(buf), 0);
97 TestBasename("/usr/", "usr", 3, buf, sizeof(buf), 0);
98 TestBasename("usr", "usr", 3, buf, sizeof(buf), 0);
99 TestBasename("/", "/", 1, buf, sizeof(buf), 0);
100 TestBasename(".", ".", 1, buf, sizeof(buf), 0);
101 TestBasename("..", "..", 2, buf, sizeof(buf), 0);
102 }
103
TEST(libgen,dirname_r)104 TEST(libgen, dirname_r) {
105 char buf[256];
106 TestDirname("", ".", 1, NULL, 0, 0);
107 TestDirname("", ".", -1, buf, 0, ERANGE);
108 TestDirname("", ".", -1, buf, 1, ERANGE);
109 TestDirname("", ".", 1, buf, 2, 0);
110 TestDirname("/usr/lib", "/usr", 4, buf, sizeof(buf), 0);
111 TestDirname("/usr/", "/", 1, buf, sizeof(buf), 0);
112 TestDirname("usr", ".", 1, buf, sizeof(buf), 0);
113 TestDirname(".", ".", 1, buf, sizeof(buf), 0);
114 TestDirname("..", ".", 1, buf, sizeof(buf), 0);
115 }
116
117 #endif
118