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 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 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 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 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 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 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 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 } 103 104 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
