1/*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#include "precompiled.hpp"
26#include "utilities/macros.hpp"
27#include "gc/parallel/psAdaptiveSizePolicy.hpp"
28#include "unittest.hpp"
29
30#if INCLUDE_ALL_GCS
31
32  TEST_VM(gc, oldFreeSpaceCalculation) {
33
34    struct TestCase {
35        size_t live;
36        uintx ratio;
37        size_t expectedResult;
38    };
39
40    TestCase test_cases[] = {
41                                {100, 20, 25},
42                                {100, 50, 100},
43                                {100, 60, 150},
44                                {100, 75, 300},
45                                {400, 20, 100},
46                                {400, 50, 400},
47                                {400, 60, 600},
48                                {400, 75, 1200},
49                            };
50
51    size_t array_len = sizeof(test_cases) / sizeof(TestCase);
52    for (size_t i = 0; i < array_len; ++i) {
53      ASSERT_EQ(PSAdaptiveSizePolicy::calculate_free_based_on_live(
54          test_cases[i].live, test_cases[i].ratio),
55          test_cases[i].expectedResult)
56          << " Calculation of free memory failed"
57          << " - Test case " << i << ": live = " << test_cases[i].live
58          << "; ratio = " << test_cases[i].ratio;
59    }
60  }
61#endif
62