1 /* 2 * Copyright (c) 2011, 2020, 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 * @test 26 * @key stress gc randomness 27 * 28 * @summary converted from VM Testbase gc/hashcode/HashCodeTestPC. 29 * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, jrockit] 30 * VM Testbase readme: 31 * DESCRIPTION 32 * Test that verifies external hash codes. This class tests the scenario 33 * with promotion & compaction. 34 * 35 * COMMENTS 36 * This test was ported from JRockit test suite. 37 * 38 * @library /vmTestbase 39 * /test/lib 40 * @run driver jdk.test.lib.FileInstaller . . 41 * @run main/othervm -XX:-UseGCOverheadLimit gc.hashcode.HashCodeTestPC.HashCodeTestPC 42 */ 43 44 package gc.hashcode.HashCodeTestPC; 45 46 import gc.hashcode.HCHelper; 47 import nsk.share.TestFailure; 48 import nsk.share.gc.GC; 49 import nsk.share.gc.GCTestBase; 50 import nsk.share.gc.gp.GarbageUtils; 51 import nsk.share.test.Stresser; 52 53 54 /** 55 * Test that verifies external hash codes. This class tests the scenario 56 * with promotion followed by compaction. 57 */ 58 public class HashCodeTestPC extends GCTestBase{ 59 60 61 /** 62 * Test external hash codes when a promotion followed by a compaction 63 * have been performed. 64 * 65 * @return Success if all hash codes matches original hash codes 66 */ 67 @Override 68 public void run() { 69 HCHelper hch = new HCHelper(512, 2000, runParams.getSeed(), 70 0.7, 10240); 71 72 hch.setupLists(); 73 Stresser stresser = new Stresser(runParams.getStressOptions()); 74 stresser.start(0); 75 GarbageUtils.eatMemory(stresser); 76 if (!stresser.continueExecution()) { 77 return;// we didn't trigger GC, nothing 78 } 79 hch.clearList(HCHelper.EVAC_LIST_1); 80 GarbageUtils.eatMemory(stresser); 81 if (!stresser.continueExecution()) { 82 return;// we didn't trigger GC, nothing 83 } 84 boolean testResult = hch.verifyHashCodes(); 85 hch.cleanupLists(); 86 87 if(!testResult) { 88 throw new TestFailure("Some hash codes didn't match"); 89 } 90 } 91 92 public static void main(String[] args) { 93 GC.runTest(new HashCodeTestPC(), args); 94 } 95 }