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 * @compile p1/c1.java 30 * @build sun.hotspot.WhiteBox 31 * @compile/module=java.base java/lang/ModuleHelper.java 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckRead 35 */ 36 37 import static jdk.test.lib.Asserts.*; 38 39 public class AccessCheckRead { 40 41 // Test that a class in a package in module_one cannot access a class in 42 // a package in module_two if module_one cannot read module_two. 43 public static void main(String args[]) throws Throwable { 44 Object m1x, m2x; 45 46 // Get the java.lang.Module object for module java.base. 47 Class jlObject = Class.forName("java.lang.Object"); 48 Object jlObject_jlM = jlObject.getModule(); 49 assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null"); 50 51 // Get the class loader for AccessCheckRead and assume it's also used to 52 // load classes p1.c1 and p2.c2. 53 ClassLoader this_cldr = AccessCheckRead.class.getClassLoader(); 54 55 // Define a module for p1. 56 m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p1" }); 57 assertNotNull(m1x, "Module should not be null"); 58 ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/here", new String[] { "p1" }); 59 ModuleHelper.AddReadsModule(m1x, jlObject_jlM); 60 61 // Define a module for p2. 62 m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" }); 63 assertNotNull(m2x, "Module should not be null"); 64 ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" }); 65 ModuleHelper.AddReadsModule(m2x, jlObject_jlM); 66 67 // Make package p1 in m1x visible to everyone. 68 ModuleHelper.AddModuleExportsToAll(m1x, "p1"); 69 70 Class p1_c1_class = Class.forName("p1.c1"); 71 72 // p1.c1's ctor tries to call a method in p2.c2, but p1's module 73 // cannot read p2's module. So should get IllegalAccessError. 74 try { 75 p1_c1_class.newInstance(); 76 throw new RuntimeException("Failed to get IAE (m1x can't read m2x)"); 77 } catch (IllegalAccessError e) { 78 System.out.println(e.getMessage()); 79 if (!e.getMessage().contains("does not read") || 80 e.getMessage().contains("strict")) { 81 throw new RuntimeException("Wrong message: " + e.getMessage()); 82 } 83 } 84 } 85 }