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
TestBasename(const char * in,const char * expected_out)22 static void TestBasename(const char* in, const char* expected_out) {
23 char* writable_in = (in != NULL) ? strdup(in) : NULL;
24 errno = 0;
25 const char* out = basename(&writable_in[0]);
26 ASSERT_STREQ(expected_out, out) << in;
27 ASSERT_EQ(0, errno) << in;
28 free(writable_in);
29 }
30
TestDirname(const char * in,const char * expected_out)31 static void TestDirname(const char* in, const char* expected_out) {
32 char* writable_in = (in != NULL) ? strdup(in) : NULL;
33 errno = 0;
34 const char* out = dirname(&writable_in[0]);
35 ASSERT_STREQ(expected_out, out) << in;
36 ASSERT_EQ(0, errno) << in;
37 free(writable_in);
38 }
39
40 // Do not use basename as the test name, it's defined to another value in glibc
41 // so leads to a differently named test on host versus target architectures.
TEST(libgen,posix_basename)42 TEST(libgen, posix_basename) {
43 TestBasename(NULL, ".");
44 TestBasename("", ".");
45 TestBasename("/usr/lib", "lib");
46 TestBasename("/usr/", "usr");
47 TestBasename("usr", "usr");
48 TestBasename("/", "/");
49 TestBasename(".", ".");
50 TestBasename("..", "..");
51 TestBasename("///", "/");
52 TestBasename("//usr//lib//", "lib");
53 }
54
TEST(libgen,dirname)55 TEST(libgen, dirname) {
56 TestDirname(NULL, ".");
57 TestDirname("", ".");
58 TestDirname("/usr/lib", "/usr");
59 TestDirname("/usr/", "/");
60 TestDirname("usr", ".");
61 TestDirname(".", ".");
62 TestDirname("..", ".");
63 TestDirname("/", "/");
64 }
65
66 #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)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 #endif // __BIONIC__
89
TEST(libgen,basename_r)90 TEST(libgen, basename_r) {
91 #if defined(__BIONIC__) && !defined(__LP64__)
92 char buf[256];
93 TestBasename("", ".", 1, NULL, 0, 0);
94 TestBasename("", ".", -1, buf, 0, ERANGE);
95 TestBasename("", ".", -1, buf, 1, ERANGE);
96 TestBasename("", ".", 1, buf, 2, 0);
97 TestBasename("", ".", 1, buf, sizeof(buf), 0);
98 TestBasename("/usr/lib", "lib", 3, buf, sizeof(buf), 0);
99 TestBasename("/usr/", "usr", 3, buf, sizeof(buf), 0);
100 TestBasename("usr", "usr", 3, buf, sizeof(buf), 0);
101 TestBasename("/", "/", 1, buf, sizeof(buf), 0);
102 TestBasename(".", ".", 1, buf, sizeof(buf), 0);
103 TestBasename("..", "..", 2, buf, sizeof(buf), 0);
104 #else // __BIONIC__
105 GTEST_LOG_(INFO) << "This test does nothing.\n";
106 #endif // __BIONIC__
107 }
108
TEST(libgen,dirname_r)109 TEST(libgen, dirname_r) {
110 #if defined(__BIONIC__) && !defined(__LP64__)
111 char buf[256];
112 TestDirname("", ".", 1, NULL, 0, 0);
113 TestDirname("", ".", -1, buf, 0, ERANGE);
114 TestDirname("", ".", -1, buf, 1, ERANGE);
115 TestDirname("", ".", 1, buf, 2, 0);
116 TestDirname("/usr/lib", "/usr", 4, buf, sizeof(buf), 0);
117 TestDirname("/usr/", "/", 1, buf, sizeof(buf), 0);
118 TestDirname("usr", ".", 1, buf, sizeof(buf), 0);
119 TestDirname(".", ".", 1, buf, sizeof(buf), 0);
120 TestDirname("..", ".", 1, buf, sizeof(buf), 0);
121 #else // __BIONIC__
122 GTEST_LOG_(INFO) << "This test does nothing.\n";
123 #endif // __BIONIC__
124 }
125