/* * Copyright (c) 2019, 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 * @summary non-empty dir in -cp should be fine during dump time if only classes * from the system modules are being loaded even though some are * defined to the PlatformClassLoader and AppClassLoader. * @requires vm.cds * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds * @build sun.hotspot.WhiteBox * @compile ../test-classes/Hello.java * @run driver ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Dtest.cds.copy.child.stdout=false -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. UnusedCPDuringDump */ import java.io.File; public class UnusedCPDuringDump extends DynamicArchiveTestBase { public static void main(String[] args) throws Exception { runTest(UnusedCPDuringDump::testDefaultBase); } static void testDefaultBase() throws Exception { String topArchiveName = getNewArchiveName("top"); doTest(topArchiveName); } private static void doTest(String topArchiveName) throws Exception { File dir = new File(System.getProperty("user.dir")); File emptydir = new File(dir, "emptydir"); emptydir.mkdir(); String appJar = JarBuilder.getOrCreateHelloJar(); String bootClassPath = "-Xbootclasspath/a:" + appJar; // Dumping with a non-empty directory in the -cp. // It should be fine because the app class won't be loaded from the // -cp, it is being loaded from the bootclasspath. dump(topArchiveName, "-Xlog:cds", "-Xlog:cds+dynamic=debug", bootClassPath, "-cp", dir.getPath(), "Hello") .assertNormalExit(output -> { output.shouldContain("Buffer-space to target-space delta") .shouldContain("Written dynamic archive 0x"); }); // Running with -cp different from dumping. It should be fine because // the runtime classpath won't be checked against unused classpath // during dump time. run(topArchiveName, "-Xlog:class+load", "-Xlog:cds+dynamic=debug,cds=debug", bootClassPath, "-cp", appJar, "Hello") .assertNormalExit(output -> { output.shouldContain("Hello World") .shouldHaveExitValue(0); }); } }