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/timeout=300
  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 }