1/* 2 * Copyright (c) 2016, 2017, 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 * @test 26 * @modules java.base/jdk.internal.misc 27 * @library /test/lib .. 28 * @compile p2/c2.java 29 * @build sun.hotspot.WhiteBox 30 * @compile/module=java.base java/lang/ModuleHelper.java 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox 32 * sun.hotspot.WhiteBox$WhiteBoxPermission 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI JVMGetModuleByPkgName 34 */ 35 36import static jdk.test.lib.Asserts.*; 37import java.lang.ClassLoader; 38 39public class JVMGetModuleByPkgName { 40 41 public static void main(String args[]) throws Throwable { 42 43 Module javaBase = ModuleHelper.GetModuleByPackageName(null, "java/lang"); 44 if (!javaBase.getName().equals("java.base")) { 45 throw new RuntimeException( 46 "Failed to get module java.base for package java/lang"); 47 } 48 49 if (ModuleHelper.GetModuleByPackageName(null, "bad.package.name") != null) { 50 throw new RuntimeException("Failed to get null for bad.package.name"); 51 } 52 53 ClassLoader systemLoader = ClassLoader.getSystemClassLoader(); 54 if (ModuleHelper.GetModuleByPackageName(systemLoader, "java/lang") != null) { 55 throw new RuntimeException( 56 "Failed to get null for systemClassLoader and java/lang"); 57 } 58 59 try { 60 ModuleHelper.GetModuleByPackageName(systemLoader, null); 61 throw new RuntimeException( 62 "Failed to throw NullPointerException for null package name"); 63 } catch(NullPointerException e) { 64 // Expected 65 } 66 67 Module unnamedModule = ModuleHelper.GetModuleByPackageName(systemLoader, ""); 68 if (unnamedModule.isNamed()) { 69 throw new RuntimeException( 70 "Unexpected named module returned for unnamed package"); 71 } 72 73 p2.c2 obj = new p2.c2(); 74 unnamedModule = ModuleHelper.GetModuleByPackageName(systemLoader, "p2"); 75 if (unnamedModule.isNamed()) { 76 throw new RuntimeException( 77 "Unexpected named module returned for package p2 in unnamed module"); 78 } 79 80 MyClassLoader cl1 = new MyClassLoader(); 81 Module module_one = (Module)ModuleHelper.ModuleObject("module_one", cl1, new String[] { "mypackage" }); 82 assertNotNull(module_one, "Module should not be null"); 83 ModuleHelper.DefineModule(module_one, "9.0", "module_one/here", new String[] { "mypackage" }); 84 if (ModuleHelper.GetModuleByPackageName(cl1, "mypackage") != module_one) { 85 throw new RuntimeException("Wrong module returned for cl1 mypackage"); 86 } 87 } 88 89 static class MyClassLoader extends ClassLoader { } 90} 91