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 }