/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "runtime/os.hpp"

#include "unittest.hpp"

#define LOG_TEST_STRING_LITERAL "a (hopefully) unique log message for testing"

static inline bool string_contains_substring(const char* haystack, const char* needle) {

  return strstr(haystack, needle) != NULL;

}

static inline bool file_exists(const char* filename) {

  struct stat st;

  return os::stat(filename, &st) == 0;

}

static inline void delete_file(const char* filename) {

  if (!file_exists(filename)) {

    return;

  }

  int ret = remove(filename);

  EXPECT_TRUE(ret == 0 || errno == ENOENT) << "failed to remove file '" << filename << "': "

      << os::strerror(errno) << " (" << errno << ")";

}