| /* |
| * Copyright (c) 2010, 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| /* |
| * @test |
| * @modules java.base/jdk.internal.misc |
| * |
| * @summary converted from VM Testbase vm/mlvm/anonloader/stress/parallelLoad. |
| * VM Testbase keywords: [feature_mlvm, nonconcurrent] |
| * |
| * @library /vmTestbase |
| * /test/lib |
| * |
| * @comment build test class and indify classes |
| * @build vm.mlvm.anonloader.stress.parallelLoad.Test |
| * @run driver vm.mlvm.share.IndifiedClassesBuilder |
| * |
| * @run main/othervm |
| * -Xverify:all |
| * vm.mlvm.anonloader.stress.parallelLoad.Test |
| * -threadsPerCpu 4 |
| * -threadsExtra 20 |
| * -parseTimeout 0 |
| * -unsafeLoad true |
| */ |
| |
| package vm.mlvm.anonloader.stress.parallelLoad; |
| |
| import vm.mlvm.anonloader.share.StressClassLoadingTest; |
| import vm.mlvm.anonloader.share.AnonkTestee01; |
| import vm.mlvm.share.MlvmTestExecutor; |
| import vm.mlvm.share.MultiThreadedTest; |
| import vm.share.FileUtils; |
| |
| /** |
| * Verifies that loading classes in parallel from several threads using |
| * {@link sun.misc.Unsafe#defineAnonymousClass} |
| * does not produce exceptions and crashes. |
| * |
| */ |
| public class Test extends MultiThreadedTest { |
| private static final Class<?> HOST_CLASS = AnonkTestee01.class; |
| private static final String NAME_PREFIX = "thread%03d"; |
| |
| private final byte[] classBytes; |
| |
| private static class SubTest extends StressClassLoadingTest { |
| private final byte[] classBytes; |
| |
| public SubTest(byte[] classBytes) { |
| this.classBytes = classBytes; |
| } |
| |
| @Override |
| protected Class<?> getHostClass() { |
| return HOST_CLASS; |
| } |
| |
| @Override |
| protected byte[] generateClassBytes() { |
| return classBytes; |
| } |
| } |
| |
| public Test() throws Exception { |
| classBytes = FileUtils.readClass(HOST_CLASS.getName()); |
| } |
| |
| /** |
| * Constructs a sub-test class and runs it. The sub-test class loads |
| * {@link vm.mlvm.anonloader.share.AnonkTestee01} class bytecodes |
| * using {@link sun.misc.Unsafe#defineAnonymousClass} |
| * @param numThread Number of the thread |
| * @throws Exception if there any exceptions thrown in the sub-test |
| */ |
| @Override |
| protected boolean runThread(int numThread) throws Exception { |
| SubTest subTest = new SubTest(classBytes); |
| subTest.setFileNamePrefix(String.format(NAME_PREFIX, numThread)); |
| return subTest.run(); |
| } |
| |
| /** |
| * Runs the test. |
| * @param args Test arguments. |
| */ |
| public static void main(String[] args) { |
| MlvmTestExecutor.launch(args); |
| } |
| } |