1 /* 2 * Copyright (c) 2016, 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 * @test 26 * @summary Test if package p6 in module m2x is not exported, then class c5 27 * in an unnamed module can not access p6.c2 in module m2x. 28 * @modules java.base/jdk.internal.misc 29 * @library /test/lib 30 * @compile myloaders/MySameClassLoader.java 31 * @compile p6/c6.java 32 * @compile c5.java 33 * @run main/othervm -Xbootclasspath/a:. UmodUpkg_NotExp 34 */ 35 36 import static jdk.test.lib.Asserts.*; 37 38 import java.lang.module.Configuration; 39 import java.lang.module.ModuleDescriptor; 40 import java.lang.module.ModuleFinder; 41 import java.util.HashMap; 42 import java.util.Map; 43 import java.util.Set; 44 import myloaders.MySameClassLoader; 45 46 // ClassLoader1 --> defines m1x --> no packages 47 // defines m2x --> packages p6 48 // 49 // m1x can read m2x 50 // package p6 in m2x is not exported 51 // 52 // class c5 defined in an unnamed module tries to access p6.c2 defined in m2x 53 // Access denied since p6 is not exported. 54 // 55 public class UmodUpkg_NotExp { 56 57 // Create a layer over the boot layer. 58 // Define modules within this layer to test access between 59 // publically defined classes within packages of those modules. 60 public void createLayerOnBoot() throws Throwable { 61 62 // Define module: m1x 63 // Can read: java.base, m2x 64 // Packages: none 65 // Packages exported: none 66 ModuleDescriptor descriptor_m1x = 67 ModuleDescriptor.newModule("m1x") 68 .requires("java.base") 69 .requires("m2x") 70 .build(); 71 72 // Define module: m2x 73 // Can read: java.base 74 // Packages: p6 75 // Packages exported: none 76 ModuleDescriptor descriptor_m2x = 77 ModuleDescriptor.newModule("m2x") 78 .requires("java.base") 79 .packages(Set.of("p6")) 80 .build(); 81 82 // Set up a ModuleFinder containing all modules for this layer. 83 ModuleFinder finder = ModuleLibrary.of(descriptor_m1x, descriptor_m2x); 84 85 // Resolves "m1x" 86 Configuration cf = ModuleLayer.boot() 87 .configuration() 88 .resolve(finder, ModuleFinder.of(), Set.of("m1x")); 89 90 // map each module to the same class loader for this test 91 Map<String, ClassLoader> map = new HashMap<>(); 92 map.put("m1x", MySameClassLoader.loader1); 93 map.put("m2x", MySameClassLoader.loader1); 94 95 // Create layer that contains m1x and m2x 96 ModuleLayer layer = ModuleLayer.boot().defineModules(cf, map::get); 97 98 assertTrue(layer.findLoader("m1x") == MySameClassLoader.loader1); 99 assertTrue(layer.findLoader("m2x") == MySameClassLoader.loader1); 100 assertTrue(layer.findLoader("java.base") == null); 101 102 // now use the same loader to load class c5 103 Class c5_class = MySameClassLoader.loader1.loadClass("c5"); 104 try { 105 c5_class.newInstance(); 106 throw new RuntimeException("Failed to get IAE (p6 in m2x is not exported)"); 107 } catch (IllegalAccessError e) { 108 System.out.println(e.getMessage()); 109 if (!e.getMessage().contains("does not export")) { 110 throw new RuntimeException("Wrong message: " + e.getMessage()); 111 } 112 } 113 } 114 115 public static void main(String args[]) throws Throwable { 116 UmodUpkg_NotExp test = new UmodUpkg_NotExp(); 117 test.createLayerOnBoot(); 118 } 119 }