1 /* 2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /* 26 * @test 27 * @summary Initiating and defining classloader test. 28 * @requires vm.cds 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * jdk.jartool/sun.tools.jar 33 * @compile test-classes/Hello.java 34 * @compile test-classes/HelloWB.java 35 * @compile test-classes/ForNameTest.java 36 * @compile test-classes/BootClassPathAppendHelper.java 37 * @build sun.hotspot.WhiteBox 38 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 39 * @run driver ClassLoaderTest 40 */ 41 42 import java.io.File; 43 import jdk.test.lib.process.OutputAnalyzer; 44 45 public class ClassLoaderTest { 46 public static void main(String[] args) throws Exception { 47 JarBuilder.build(true, "ClassLoaderTest-WhiteBox", "sun/hotspot/WhiteBox"); 48 JarBuilder.getOrCreateHelloJar(); 49 JarBuilder.build("ClassLoaderTest-HelloWB", "HelloWB"); 50 JarBuilder.build("ClassLoaderTest-ForName", "ForNameTest"); 51 ClassLoaderTest test = new ClassLoaderTest(); 52 test.testBootLoader(); 53 test.testDefiningLoader(); 54 } 55 56 public void testBootLoader() throws Exception { 57 String appJar = TestCommon.getTestJar("ClassLoaderTest-HelloWB.jar"); 58 String appClasses[] = {"HelloWB"}; 59 String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar"); 60 String bootClassPath = "-Xbootclasspath/a:" + appJar + 61 File.pathSeparator + whiteBoxJar; 62 63 TestCommon.dump(appJar, appClasses, bootClassPath); 64 65 TestCommon.run( 66 "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", 67 "-cp", appJar, bootClassPath, "HelloWB") 68 .assertNormalExit(output -> output.shouldContain("HelloWB.class.getClassLoader() = null")); 69 } 70 71 public void testDefiningLoader() throws Exception { 72 // The boot loader should be used to load the class when it's 73 // on the bootclasspath, regardless who is the initiating classloader. 74 // In this test case, the AppClassLoader is the initiating classloader. 75 String helloJar = TestCommon.getTestJar("hello.jar"); 76 String appJar = helloJar + System.getProperty("path.separator") + 77 TestCommon.getTestJar("ClassLoaderTest-ForName.jar"); 78 String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar"); 79 String bootClassPath = "-Xbootclasspath/a:" + helloJar + 80 File.pathSeparator + whiteBoxJar; 81 82 // Archive the "Hello" class from the appended bootclasspath 83 TestCommon.dump(helloJar, TestCommon.list("Hello"), bootClassPath); 84 85 TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", 86 "-cp", appJar, bootClassPath, "-Xlog:class+path=trace", "ForNameTest") 87 .assertNormalExit(); 88 } 89 }