1 /* 2 * Copyright (c) 2010, 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.misc 28 * 29 * @summary converted from VM Testbase vm/mlvm/anonloader/stress/oome/heap. 30 * VM Testbase keywords: [feature_mlvm, nonconcurrent] 31 * 32 * @library /vmTestbase 33 * /test/lib 34 * @run driver jdk.test.lib.FileInstaller . . 35 * 36 * @comment build test class and indify classes 37 * @build vm.mlvm.anonloader.stress.oome.heap.Test 38 * @run driver vm.mlvm.share.IndifiedClassesBuilder 39 * 40 * @run main/othervm -XX:-UseGCOverheadLimit vm.mlvm.anonloader.stress.oome.heap.Test 41 */ 42 43 package vm.mlvm.anonloader.stress.oome.heap; 44 45 import java.util.List; 46 import java.io.IOException; 47 48 import vm.mlvm.anonloader.share.AnonkTestee01; 49 import vm.mlvm.share.MlvmOOMTest; 50 import vm.mlvm.share.MlvmTestExecutor; 51 import vm.mlvm.share.Env; 52 import vm.share.FileUtils; 53 import vm.share.UnsafeAccess; 54 55 /** 56 * This test loads a class using Unsafe.defineAnonymousClass, creates instances 57 * of that class and stores them, expecting Heap OOME. 58 * 59 */ 60 61 public class Test extends MlvmOOMTest { 62 @Override 63 protected void checkOOME(OutOfMemoryError oome) { 64 String message = oome.getMessage(); 65 if (!"Java heap space".equals(message)) { 66 throw new RuntimeException("TEST FAIL : wrong OOME", oome); 67 } 68 } 69 @Override 70 protected void eatMemory(List<Object> list) { 71 byte[] classBytes = null; 72 try { 73 classBytes = FileUtils.readClass(AnonkTestee01.class.getName()); 74 } catch (IOException e) { 75 Env.throwAsUncheckedException(e); 76 } 77 try { 78 while (true) { 79 list.add(UnsafeAccess.unsafe.defineAnonymousClass(AnonkTestee01.class, 80 classBytes, null).newInstance()); 81 } 82 } catch (InstantiationException | IllegalAccessException e) { 83 Env.throwAsUncheckedException(e); 84 } 85 } 86 87 public static void main(String[] args) { 88 MlvmTestExecutor.launch(args); 89 } 90 }