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
41 // Do not use basename as the test name, it's defined to another value in glibc
42 // so leads to a differently named test on host versus target architectures.
TEST(libgen,basename_smoke)43 TEST(libgen, basename_smoke) {
44 TestBasename(NULL, ".");
45 TestBasename("", ".");
46 TestBasename("/usr/lib", "lib");
47 TestBasename("/usr/", "usr");
48 TestBasename("usr", "usr");
49 TestBasename("/", "/");
50 TestBasename(".", ".");
51 TestBasename("..", "..");
52 TestBasename("///", "/");
53 TestBasename("//usr//lib//", "lib");
54 }
55
TEST(libgen,dirname)56 TEST(libgen, dirname) {
57 TestDirname(NULL, ".");
58 TestDirname("", ".");
59 TestDirname("/usr/lib", "/usr");
60 TestDirname("/usr/", "/");
61 TestDirname("usr", ".");
62 TestDirname(".", ".");
63 TestDirname("..", ".");
64 TestDirname("/", "/");
65 }
66
67 #if defined(__BIONIC__) && !defined(__LP64__)
TestBasename(const char * in,const char * expected_out,int expected_rc,char * buf,size_t buf_size,int expected_errno)68 static void TestBasename(const char* in, const char* expected_out, int expected_rc,
69 char* buf, size_t buf_size, int expected_errno) {
70 errno = 0;
71 int rc = basename_r(in, buf, buf_size);
72 ASSERT_EQ(expected_rc, rc) << in;
73 if (rc != -1 && buf != NULL) {
74 ASSERT_STREQ(expected_out, buf) << in;
75 }
76 ASSERT_EQ(expected_errno, errno) << in;
77 }
78
TestDirname(const char * in,const char * expected_out,int expected_rc,char * buf,size_t buf_size,int expected_errno)79 static void TestDirname(const char* in, const char* expected_out, int expected_rc,
80 char* buf, size_t buf_size, int expected_errno) {
81 errno = 0;
82 int rc = dirname_r(in, buf, buf_size);
83 ASSERT_EQ(expected_rc, rc) << in;
84 if (rc != -1 && buf != NULL) {
85 ASSERT_STREQ(expected_out, buf) << in;
86 }
87 ASSERT_EQ(expected_errno, errno) << in;
88 }
89 #endif // __BIONIC__
90
TEST(libgen,basename_r)91 TEST(libgen, basename_r) {
92 #if defined(__BIONIC__) && !defined(__LP64__)
93 char buf[256];
94 TestBasename("", ".", 1, NULL, 0, 0);
95 TestBasename("", ".", -1, buf, 0, ERANGE);
96 TestBasename("", ".", -1, buf, 1, ERANGE);
97 TestBasename("", ".", 1, buf, 2, 0);
98 TestBasename("", ".", 1, buf, sizeof(buf), 0);
99 TestBasename("/usr/lib", "lib", 3, buf, sizeof(buf), 0);
100 TestBasename("/usr/", "usr", 3, buf, sizeof(buf), 0);
101 TestBasename("usr", "usr", 3, buf, sizeof(buf), 0);
102 TestBasename("/", "/", 1, buf, sizeof(buf), 0);
103 TestBasename(".", ".", 1, buf, sizeof(buf), 0);
104 TestBasename("..", "..", 2, buf, sizeof(buf), 0);
105 #else // __BIONIC__
106 GTEST_LOG_(INFO) << "This test does nothing.\n";
107 #endif // __BIONIC__
108 }
109
TEST(libgen,dirname_r)110 TEST(libgen, dirname_r) {
111 #if defined(__BIONIC__) && !defined(__LP64__)
112 char buf[256];
113 TestDirname("", ".", 1, NULL, 0, 0);
114 TestDirname("", ".", -1, buf, 0, ERANGE);
115 TestDirname("", ".", -1, buf, 1, ERANGE);
116 TestDirname("", ".", 1, buf, 2, 0);
117 TestDirname("/usr/lib", "/usr", 4, buf, sizeof(buf), 0);
118 TestDirname("/usr/", "/", 1, buf, sizeof(buf), 0);
119 TestDirname("usr", ".", 1, buf, sizeof(buf), 0);
120 TestDirname(".", ".", 1, buf, sizeof(buf), 0);
121 TestDirname("..", ".", 1, buf, sizeof(buf), 0);
122 #else // __BIONIC__
123 GTEST_LOG_(INFO) << "This test does nothing.\n";
124 #endif // __BIONIC__
125 }
126