--- /dev/null 2017-05-05 06:40:48.273288351 -0700 +++ new/test/hotspot/jtreg/runtime/appcds/RewriteBytecodesTest.java 2017-11-27 12:11:41.188324373 -0800 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2015, 2017, 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 + * @summary Use ClassLoader.defineClass() to load a class with rewritten bytecode. Make sure + * the archived class with the same name is not loaded. + * AppCDS does not support uncompressed oops + * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) + * @library /test/lib + * @modules java.base/jdk.internal.misc + * java.management + * jdk.jartool/sun.tools.jar + * @compile test-classes/RewriteBytecodes.java test-classes/Util.java test-classes/Super.java test-classes/Child.java + * @build sun.hotspot.WhiteBox + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main RewriteBytecodesTest + */ + +import java.io.File; +import jdk.test.lib.process.OutputAnalyzer; + +public class RewriteBytecodesTest { + public static void main(String[] args) throws Exception { + String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox"); + String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar; + + String appJar = JarBuilder.build("dynamic_define", "RewriteBytecodes", "Util", "Super", "Child"); + String superClsFile = (new File(System.getProperty("test.classes", "."), "Super.class")).getPath(); + + TestCommon.dump(appJar, TestCommon.list("RewriteBytecodes", "Super", "Child"), + // command-line arguments ... + use_whitebox_jar); + + OutputAnalyzer output = TestCommon.exec(appJar, + // command-line arguments ... + "--add-opens=java.base/java.lang=ALL-UNNAMED", + use_whitebox_jar, + "-XX:+UnlockDiagnosticVMOptions", + "-XX:+WhiteBoxAPI", + "RewriteBytecodes", superClsFile); + TestCommon.checkExec(output); + } +}