92 lines
3.5 KiB
Java
92 lines
3.5 KiB
Java
/*
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* Copyright (c) 2008, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* Test Java Program
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*
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* @author Daryl Puryear
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* @copyright 1999-2004 Wily Technology, Inc. All rights reserved.
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*/
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/**
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* @test
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* @summary
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* @requires vm.continuations
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* @library /test/lib
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* @run build TestClass1 TestClass2 TestClass3
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* @compile ParallelTransformerLoaderTest.java
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* @run driver jdk.test.lib.util.JavaAgentBuilder ParallelTransformerLoaderAgent ParallelTransformerLoaderAgent.jar
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* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar Test.jar TestClass1 TestClass2 TestClass3
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* @run clean ParallelTransformerLoaderAgent TestClass1 TestClass2 TestClass3
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* @run main/othervm -javaagent:ParallelTransformerLoaderAgent.jar=Test.jar ParallelTransformerLoaderTest platform
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* @run main/othervm -javaagent:ParallelTransformerLoaderAgent.jar=Test.jar ParallelTransformerLoaderTest virtual
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*/
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public class ParallelTransformerLoaderTest {
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private static final int kNumIterations = 1000;
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public static void main(String[] args) throws Exception {
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System.out.println();
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System.out.print("Starting test with " + kNumIterations + " iterations");
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for (int i = 0; i < kNumIterations; i++) {
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// load some classes from multiple threads (this thread and one other)
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Thread thread = new TestThread(2, args[0].equals("virtual")).thread;
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thread.start();
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loadClasses(1);
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// log that it completed and reset for the next iteration
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thread.join();
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System.out.print(".");
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ParallelTransformerLoaderAgent.generateNewClassLoader();
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}
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System.out.println();
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System.out.println("Test completed successfully");
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}
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private static class TestThread implements Runnable {
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private final int fIndex;
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final Thread thread;
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public TestThread(int index, boolean isVirtual) {
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var f = isVirtual ? Thread.ofVirtual().factory() : Thread.ofPlatform().factory();
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thread = f.newThread(this);
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thread.setName("TestThread");
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fIndex = index;
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}
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public void run() {
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loadClasses(fIndex);
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}
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}
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public static void loadClasses(int index) {
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ClassLoader loader = ParallelTransformerLoaderAgent.getClassLoader();
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try {
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Class.forName("TestClass" + index, true, loader);
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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}
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