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