1 /* 2 * Copyright (c) 2011, 2018, 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 27 * 28 * @summary converted from VM Testbase gc/hashcode/HashCodeTestCC. 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 double FullGC(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.HashCodeTestCC.HashCodeTestCC 42 */ 43 44 package gc.hashcode.HashCodeTestCC; 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 * Test that verifies external hash codes. This class tests the scenario 55 * with double compaction. 56 */ 57 public class HashCodeTestCC extends GCTestBase { 58 59 60 /** 61 * Test external hash codes when two compactions have been performed. 62 * 63 * @return Success if all hash codes matches original hash codes 64 */ 65 @Override 66 public final void run() { 67 HCHelper hch = new HCHelper(512, 3584, runParams.getSeed(), 68 0.7, 10240); 69 70 hch.setupLists(); 71 // Remove evac list 1 to free some space 72 hch.clearList(HCHelper.EVAC_LIST_1); 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 80 // Remove evac list 2 to free some more space 81 hch.clearList(HCHelper.EVAC_LIST_2); 82 GarbageUtils.eatMemory(stresser); 83 if (!stresser.continueExecution()) { 84 return;// we didn't trigger GC, nothing 85 } 86 87 boolean testResult = hch.verifyHashCodes(); 88 hch.cleanupLists(); 89 90 if(!testResult) { 91 throw new TestFailure("Some hash codes didn't match"); 92 } 93 } 94 95 public static void main(String[] args) { 96 GC.runTest(new HashCodeTestCC(), args); 97 } 98 }