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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * @test 28 * @summary Test if package p6 in module m2 is not exported, then class c5 29 * in an unnamed module can not access p6.c2 in module m2. 30 * @modules java.base/jdk.internal.misc 31 * @library /test/lib 32 * @compile myloaders/MySameClassLoader.java 33 * @compile p6/c6.java 34 * @compile c5.java 35 * @run main/othervm -Xbootclasspath/a:. UmodUpkg_NotExp 36 */ 37 38 import static jdk.test.lib.Asserts.*; 39 40 import java.lang.reflect.Layer; 41 import java.lang.module.Configuration; 42 import java.lang.module.ModuleDescriptor; 43 import java.lang.module.ModuleFinder; 44 import java.util.HashMap; 45 import java.util.Map; 46 import java.util.Set; 47 import myloaders.MySameClassLoader; 48 49 // ClassLoader1 --> defines m1 --> no packages 50 // defines m2 --> packages p6 51 // 52 // m1 can read m2 53 // package p6 in m2 is not exported 54 // 55 // class c5 defined in an unnamed module tries to access p6.c2 defined in m2 56 // Access denied since p6 is not exported. 57 // 58 public class UmodUpkg_NotExp { 59 60 // Create a Layer over the boot layer. 61 // Define modules within this layer to test access between 62 // publically defined classes within packages of those modules. 63 public void createLayerOnBoot() throws Throwable { 64 65 // Define module: m1 66 // Can read: java.base, m2 67 // Packages: none 68 // Packages exported: none 69 ModuleDescriptor descriptor_m1 = 70 new ModuleDescriptor.Builder("m1") 71 .requires("java.base") 72 .requires("m2") 73 .build(); 74 75 // Define module: m2 76 // Can read: java.base 77 // Packages: p6 78 // Packages exported: none 79 ModuleDescriptor descriptor_m2 = 80 new ModuleDescriptor.Builder("m2") 81 .requires("java.base") 82 .conceals("p6") 83 .build(); 84 85 // Set up a ModuleFinder containing all modules for this layer. 86 ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2); 87 88 // Resolves "m1" 89 Configuration cf = Layer.boot() 90 .configuration() 91 .resolveRequires(finder, ModuleFinder.of(), Set.of("m1")); 92 93 // map each module to the same class loader for this test 94 Map<String, ClassLoader> map = new HashMap<>(); 95 map.put("m1", MySameClassLoader.loader1); 96 map.put("m2", MySameClassLoader.loader1); 97 98 // Create Layer that contains m1 and m2 99 Layer layer = Layer.boot().defineModules(cf, map::get); 100 101 assertTrue(layer.findLoader("m1") == MySameClassLoader.loader1); 102 assertTrue(layer.findLoader("m2") == MySameClassLoader.loader1); 103 assertTrue(layer.findLoader("java.base") == null); 104 105 // now use the same loader to load class c5 106 Class c5_class = MySameClassLoader.loader1.loadClass("c5"); 107 try { 108 c5_class.newInstance(); 109 throw new RuntimeException("Failed to get IAE (p6 in m2 is not exported)"); 110 } catch (IllegalAccessError e) { 111 System.out.println(e.getMessage()); 112 if (!e.getMessage().contains("does not export")) { 113 throw new RuntimeException("Wrong message: " + e.getMessage()); 114 } 115 } 116 } 117 118 public static void main(String args[]) throws Throwable { 119 UmodUpkg_NotExp test = new UmodUpkg_NotExp(); 120 test.createLayerOnBoot(); 121 } 122 }