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/*
* 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 != nullptr) ? strdup(in) : nullptr;
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(nullptr, ".");
TestPosixBasename("", ".");
TestPosixBasename("/usr/lib", "lib");
TestPosixBasename("/system/bin/sh/", "sh");
TestPosixBasename("/usr/", "usr");
TestPosixBasename("usr", "usr");
TestPosixBasename("/", "/");
TestPosixBasename(".", ".");
TestPosixBasename("..", "..");
TestPosixBasename("///", "/");
TestPosixBasename("//usr//lib//", "lib");
}
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