/* * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @modules java.base/jdk.internal.misc * @library /test/lib .. * @compile p2/c2.java * @compile p1/c1.java * @build sun.hotspot.WhiteBox * @compile/module=java.base java/lang/ModuleHelper.java * @run main ClassFileInstaller sun.hotspot.WhiteBox * sun.hotspot.WhiteBox$WhiteBoxPermission * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckRead */ import static jdk.test.lib.Asserts.*; public class AccessCheckRead { // Test that a class in a package in module_one cannot access a class in // a package in module_two if module_one cannot read module_two. public static void main(String args[]) throws Throwable { Object m1x, m2x; // Get the java.lang.Module object for module java.base. Class jlObject = Class.forName("java.lang.Object"); Object jlObject_jlM = jlObject.getModule(); assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null"); // Get the class loader for AccessCheckRead and assume it's also used to // load classes p1.c1 and p2.c2. ClassLoader this_cldr = AccessCheckRead.class.getClassLoader(); // Define a module for p1. m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p1" }); assertNotNull(m1x, "Module should not be null"); ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/here", new String[] { "p1" }); ModuleHelper.AddReadsModule(m1x, jlObject_jlM); // Define a module for p2. m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" }); assertNotNull(m2x, "Module should not be null"); ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" }); ModuleHelper.AddReadsModule(m2x, jlObject_jlM); // Make package p1 in m1x visible to everyone. ModuleHelper.AddModuleExportsToAll(m1x, "p1"); Class p1_c1_class = Class.forName("p1.c1"); // p1.c1's ctor tries to call a method in p2.c2, but p1's module // cannot read p2's module. So should get IllegalAccessError. try { p1_c1_class.newInstance(); throw new RuntimeException("Failed to get IAE (m1x can't read m2x)"); } catch (IllegalAccessError e) { System.out.println(e.getMessage()); if (!e.getMessage().contains("does not read") || e.getMessage().contains("strict")) { throw new RuntimeException("Wrong message: " + e.getMessage()); } } } }