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 /* 26 * @test 27 * @modules java.base/jdk.internal.org.objectweb.asm 28 * 29 * @summary converted from VM Testbase vm/mlvm/meth/stress/gc/createLotsOfMHConsts. 30 * VM Testbase keywords: [feature_mlvm, nonconcurrent] 31 * VM Testbase readme: 32 * DESCRIPTION 33 * The test loads lots of MH constants (by loading a class that has many of them many times 34 * using different classloaders) to see if they are garbage collected and don't overflow 35 * different generations of heap. 36 * 37 * @library /vmTestbase 38 * /test/lib 39 * /vmTestbase/vm/mlvm/patches 40 * 41 * @comment patch for java.base 42 * @build java.base/* 43 * 44 * @comment build generator 45 * @build vm.mlvm.cp.share.GenCPFullOfMH 46 * 47 * @run driver jdk.test.lib.FileInstaller . . 48 * 49 * @comment build test class and indify classes 50 * @build vm.mlvm.meth.stress.gc.createLotsOfMHConsts.Test 51 * @run driver vm.mlvm.share.IndifiedClassesBuilder 52 * 53 * @run main/othervm 54 * vm.mlvm.meth.stress.gc.createLotsOfMHConsts.Test 55 * -stressIterationsFactor 100000 56 * -generator vm.mlvm.cp.share.GenCPFullOfMH 57 */ 58 59 package vm.mlvm.meth.stress.gc.createLotsOfMHConsts; 60 61 import nsk.share.test.Stresser; 62 import vm.mlvm.share.ClassfileGeneratorTest; 63 import vm.mlvm.share.Env; 64 import vm.mlvm.share.MlvmTest; 65 66 public class Test extends ClassfileGeneratorTest { 67 68 public static void main(String[] args) { 69 MlvmTest.launch(args); 70 } 71 72 @Override 73 public boolean run() throws Throwable { 74 Stresser stresser = createStresser(); 75 try { 76 stresser.start(1); 77 while (stresser.continueExecution()) { 78 stresser.iteration(); 79 super.run(); 80 } 81 82 return true; 83 84 } catch ( OutOfMemoryError e ) { 85 Env.traceNormal(e, "Caught an OOME. This is OK."); 86 return true; 87 } finally { 88 stresser.finish(); 89 } 90 } 91 }