/* * Copyright (c) 2014, 2018, 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 Initiating and defining classloader test. * @requires vm.cds * @library /test/lib * @modules java.base/jdk.internal.misc * java.management * jdk.jartool/sun.tools.jar * @compile test-classes/Hello.java * @compile test-classes/HelloWB.java * @compile test-classes/ForNameTest.java * @compile test-classes/BootClassPathAppendHelper.java * @build sun.hotspot.WhiteBox * @run driver ClassFileInstaller sun.hotspot.WhiteBox * @run driver ClassLoaderTest */ import java.io.File; import jdk.test.lib.process.OutputAnalyzer; public class ClassLoaderTest { public static void main(String[] args) throws Exception { JarBuilder.build(true, "ClassLoaderTest-WhiteBox", "sun/hotspot/WhiteBox"); JarBuilder.getOrCreateHelloJar(); JarBuilder.build("ClassLoaderTest-HelloWB", "HelloWB"); JarBuilder.build("ClassLoaderTest-ForName", "ForNameTest"); ClassLoaderTest test = new ClassLoaderTest(); test.testBootLoader(); test.testDefiningLoader(); } public void testBootLoader() throws Exception { String appJar = TestCommon.getTestJar("ClassLoaderTest-HelloWB.jar"); String appClasses[] = {"HelloWB"}; String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar"); String bootClassPath = "-Xbootclasspath/a:" + appJar + File.pathSeparator + whiteBoxJar; TestCommon.dump(appJar, appClasses, bootClassPath); TestCommon.run( "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", "-cp", appJar, bootClassPath, "HelloWB") .assertNormalExit(output -> output.shouldContain("HelloWB.class.getClassLoader() = null")); } public void testDefiningLoader() throws Exception { // The boot loader should be used to load the class when it's // on the bootclasspath, regardless who is the initiating classloader. // In this test case, the AppClassLoader is the initiating classloader. String helloJar = TestCommon.getTestJar("hello.jar"); String appJar = helloJar + System.getProperty("path.separator") + TestCommon.getTestJar("ClassLoaderTest-ForName.jar"); String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar"); String bootClassPath = "-Xbootclasspath/a:" + helloJar + File.pathSeparator + whiteBoxJar; // Archive the "Hello" class from the appended bootclasspath TestCommon.dump(helloJar, TestCommon.list("Hello"), bootClassPath); TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", "-cp", appJar, bootClassPath, "-Xlog:class+path=trace", "ForNameTest") .assertNormalExit(); } }