/* * Copyright (c) 2019, 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 At run time, it is OK to append new elements to the classpath that was used at dump time. * @requires vm.cds * @library /test/lib /test/hotspot/jtreg/runtime/cds * @modules java.base/jdk.internal.misc * java.management * jdk.jartool/sun.tools.jar * @compile ../test-classes/Hello.java * @compile ../test-classes/HelloMore.java * @run driver AppendClasspath */ import java.io.File; public class AppendClasspath extends DynamicArchiveTestBase { public static void main(String[] args) throws Exception { runTest(AppendClasspath::testDefaultBase); } static void testDefaultBase() throws Exception { String topArchiveName = getNewArchiveName("top"); doTest(topArchiveName); } private static void doTest(String topArchiveName) throws Exception { String appJar = JarBuilder.getOrCreateHelloJar(); String appJar2 = JarBuilder.build("AppendClasspath_HelloMore", "HelloMore"); // Dump an archive with a specified JAR file in -classpath dump(topArchiveName, "-Xlog:cds", "-Xlog:cds+dynamic=debug", "-cp", appJar, "Hello") .assertNormalExit(output -> { output.shouldContain("Buffer-space to target-space delta") .shouldContain("Written dynamic archive 0x"); }); // runtime with classpath containing the one used in dump time, // i.e. the dump time classpath is a prefix of the runtime classpath. run(topArchiveName, "-Xlog:class+load", "-Xlog:cds+dynamic=debug,cds=debug", "-cp", appJar + File.pathSeparator + appJar2, "HelloMore") .assertNormalExit(output -> { output.shouldContain("Hello source: shared objects file") .shouldContain("Hello World ... More") .shouldHaveExitValue(0); }); // reverse the order of the 2 jar files so that the dump time classpath // is no longer a prefix of the runtime classpath. The Hello class // should be loaded from the jar file. run(topArchiveName, "-Xlog:class+load", "-Xlog:cds+dynamic=debug,cds=debug", "-cp", appJar2 + File.pathSeparator + appJar, "HelloMore") .assertAbnormalExit(output -> { output.shouldContain("shared class paths mismatch") .shouldHaveExitValue(1); }); } }