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 "gc/parallel/psAdaptiveSizePolicy.hpp" |
27 | #include "utilities/macros.hpp" |
28 | #include "unittest.hpp" |
29 | |
30 | #if INCLUDE_PARALLELGC |
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 | |