/*

 * 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 "precompiled.hpp"

#include "utilities/macros.hpp"

#include "gc/parallel/psAdaptiveSizePolicy.hpp"

#include "unittest.hpp"

#if INCLUDE_ALL_GCS

  TEST_VM(gc, oldFreeSpaceCalculation) {

    struct TestCase {

        size_t live;

        uintx ratio;

        size_t expectedResult;

    };

    TestCase test_cases[] = {

                                {100, 20, 25},

                                {100, 50, 100},

                                {100, 60, 150},

                                {100, 75, 300},

                                {400, 20, 100},

                                {400, 50, 400},

                                {400, 60, 600},

                                {400, 75, 1200},

                            };

    size_t array_len = sizeof(test_cases) / sizeof(TestCase);

    for (size_t i = 0; i < array_len; ++i) {

      ASSERT_EQ(PSAdaptiveSizePolicy::calculate_free_based_on_live(

          test_cases[i].live, test_cases[i].ratio),

          test_cases[i].expectedResult)

          << " Calculation of free memory failed"

          << " - Test case " << i << ": live = " << test_cases[i].live

          << "; ratio = " << test_cases[i].ratio;

    }

  }

#endif