1 /* 2 * Copyright (c) 2016, 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/reflect/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 36 import static jdk.test.lib.Asserts.*; 37 import java.lang.ClassLoader; 38 import java.lang.reflect.Module; 39 40 public class JVMGetModuleByPkgName { 41 42 public static void main(String args[]) throws Throwable { 43 44 Module javaBase = ModuleHelper.GetModuleByPackageName(null, "java/lang"); 45 if (!javaBase.getName().equals("java.base")) { 46 throw new RuntimeException( 47 "Failed to get module java.base for package java/lang"); 48 } 49 50 if (ModuleHelper.GetModuleByPackageName(null, "bad.package.name") != null) { 51 throw new RuntimeException("Failed to get null for bad.package.name"); 52 } 53 54 ClassLoader systemLoader = ClassLoader.getSystemClassLoader(); 55 if (ModuleHelper.GetModuleByPackageName(systemLoader, "java/lang") != null) { 56 throw new RuntimeException( 57 "Failed to get null for systemClassLoader and java/lang"); 58 } 59 60 try { 61 ModuleHelper.GetModuleByPackageName(systemLoader, null); 62 throw new RuntimeException( 63 "Failed to throw NullPointerException for null package name"); 64 } catch(NullPointerException e) { 65 // Expected 66 } 67 68 Module unnamedModule = ModuleHelper.GetModuleByPackageName(systemLoader, ""); 69 if (unnamedModule.isNamed()) { 70 throw new RuntimeException( 71 "Unexpected named module returned for unnamed package"); 72 } 73 74 p2.c2 obj = new p2.c2(); 75 unnamedModule = ModuleHelper.GetModuleByPackageName(systemLoader, "p2"); 76 if (unnamedModule.isNamed()) { 77 throw new RuntimeException( 78 "Unexpected named module returned for package p2 in unnamed module"); 79 } 80 81 MyClassLoader cl1 = new MyClassLoader(); 82 Module module1 = (Module)ModuleHelper.ModuleObject("module1", cl1, new String[] { "mypackage" }); 83 assertNotNull(module1, "Module should not be null"); 84 ModuleHelper.DefineModule(module1, "9.0", "module1/here", new String[] { "mypackage" }); 85 if (ModuleHelper.GetModuleByPackageName(cl1, "mypackage") != module1) { 86 throw new RuntimeException("Wrong module returned for cl1 mypackage"); 87 } 88 } 89 90 static class MyClassLoader extends ClassLoader { } 91 }