9583e3657e
Co-authored-by: Ron Pressler <rpressler@openjdk.org> Co-authored-by: Alan Bateman <alanb@openjdk.org> Co-authored-by: Erik Österlund <eosterlund@openjdk.org> Co-authored-by: Andrew Haley <aph@openjdk.org> Co-authored-by: Rickard Bäckman <rbackman@openjdk.org> Co-authored-by: Markus Grönlund <mgronlun@openjdk.org> Co-authored-by: Leonid Mesnik <lmesnik@openjdk.org> Co-authored-by: Serguei Spitsyn <sspitsyn@openjdk.org> Co-authored-by: Chris Plummer <cjplummer@openjdk.org> Co-authored-by: Coleen Phillimore <coleenp@openjdk.org> Co-authored-by: Robbin Ehn <rehn@openjdk.org> Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org> Co-authored-by: Sergey Kuksenko <skuksenko@openjdk.org> Reviewed-by: lancea, eosterlund, rehn, sspitsyn, stefank, tschatzl, dfuchs, lmesnik, dcubed, kevinw, amenkov, dlong, mchung, psandoz, bpb, coleenp, smarks, egahlin, mseledtsov, coffeys, darcy
79 lines
2.8 KiB
Java
79 lines
2.8 KiB
Java
/*
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* Copyright (c) 2022, 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 StackChunkClassLoaderTest
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* @summary Test that a different jdk.internal.vm.StackChunk can be loaded by non-null class loader
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* @library /test/lib
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* @compile StackChunk.java
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* @run main/othervm StackChunkClassLoaderTest
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*/
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import java.lang.reflect.Method;
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import java.io.FileInputStream;
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import java.io.File;
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public class StackChunkClassLoaderTest extends ClassLoader {
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public String loaderName;
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StackChunkClassLoaderTest(String name) {
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this.loaderName = name;
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}
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// Get data for pre-compiled class file to load.
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public byte[] getClassData(String name) {
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try {
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String classDir = System.getProperty("test.classes");
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String tempName = name.replaceAll("\\.", "/");
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return new FileInputStream(classDir + File.separator + tempName + ".class").readAllBytes();
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} catch (Exception e) {
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return null;
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}
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}
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public Class loadClass(String name) throws ClassNotFoundException {
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if (!name.contains("StackChunk")) {
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return super.loadClass(name);
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}
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byte[] data = getClassData(name);
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System.out.println("name is " + name);
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return defineClass(name, data, 0, data.length);
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}
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public static void main(java.lang.String[] unused) throws Exception {
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ClassLoader cl = new StackChunkClassLoaderTest("StackChunkClassLoaderTest");
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Class<?> c = Class.forName("jdk.internal.vm.StackChunk", true, cl);
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Object obj = c.getDeclaredConstructor().newInstance();
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System.gc();
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java.lang.reflect.Method m = c.getMethod("print");
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m.invoke(obj);
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Method mi = c.getMethod("getI");
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Object val = mi.invoke(obj);
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if (((Integer)val).intValue() != 55) {
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throw new RuntimeException("Test failed, StackChunk object corrupt");
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}
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}
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}
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