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 22 static 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 31 TEST(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__) 43 static 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 54 static 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 66 TEST(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 85 TEST(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
