| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE 1 |
| #endif |
| |
| #include <string.h> |
| |
| #if defined(basename) |
| #error basename should not be defined at this point |
| #endif |
| |
| static const char* gnu_basename(const char* in) { |
| return basename(in); |
| } |
| |
| #include <libgen.h> |
| |
| #if !defined(basename) |
| #error basename should be defined at this point |
| #endif |
| |
| static char* posix_basename(char* in) { |
| return basename(in); |
| } |
| |
| #include <errno.h> |
| #include <gtest/gtest.h> |
| |
| static void __TestGnuBasename(const char* in, const char* expected_out, int line) { |
| errno = 0; |
| const char* out = gnu_basename(in); |
| ASSERT_STREQ(expected_out, out) << "(" << line << "): " << in << std::endl; |
| ASSERT_EQ(0, errno) << "(" << line << "): " << in << std::endl; |
| } |
| |
| static void __TestPosixBasename(const char* in, const char* expected_out, int line) { |
| char* writable_in = (in != NULL) ? strdup(in) : NULL; |
| errno = 0; |
| const char* out = posix_basename(&writable_in[0]); |
| ASSERT_STREQ(expected_out, out) << "(" << line << "): " << in << std::endl; |
| ASSERT_EQ(0, errno) << "(" << line << "): " << in << std::endl; |
| free(writable_in); |
| } |
| |
| #define TestGnuBasename(in, expected) __TestGnuBasename(in, expected, __LINE__) |
| #define TestPosixBasename(in, expected) __TestPosixBasename(in, expected, __LINE__) |
| |
| TEST(libgen_basename, gnu_basename) { |
| // GNU's basename doesn't accept NULL |
| // TestGnuBasename(NULL, "."); |
| TestGnuBasename("", ""); |
| TestGnuBasename("/usr/lib", "lib"); |
| TestGnuBasename("/system/bin/sh/", ""); |
| TestGnuBasename("/usr/", ""); |
| TestGnuBasename("usr", "usr"); |
| TestGnuBasename("/", ""); |
| TestGnuBasename(".", "."); |
| TestGnuBasename("..", ".."); |
| TestGnuBasename("///", ""); |
| TestGnuBasename("//usr//lib//", ""); |
| } |
| |
| TEST(libgen_basename, posix_basename) { |
| TestPosixBasename(NULL, "."); |
| TestPosixBasename("", "."); |
| TestPosixBasename("/usr/lib", "lib"); |
| TestPosixBasename("/system/bin/sh/", "sh"); |
| TestPosixBasename("/usr/", "usr"); |
| TestPosixBasename("usr", "usr"); |
| TestPosixBasename("/", "/"); |
| TestPosixBasename(".", "."); |
| TestPosixBasename("..", ".."); |
| TestPosixBasename("///", "/"); |
| TestPosixBasename("//usr//lib//", "lib"); |
| } |