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 import java.lang.reflect.Module;
  25 import static jdk.test.lib.Asserts.*;
  26 
  27 /*
  28  * @test
  29  * @modules java.base/jdk.internal.misc
  30  * @library /testlibrary /test/lib /compiler/whitebox ..
  31  * @compile p2/c2.java
  32  * @compile p1/c1.java
  33  * @build sun.hotspot.WhiteBox
  34  * @compile/module=java.base java/lang/reflect/ModuleHelper.java
  35  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  36  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  37  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckUnnamed
  38  */
  39 
  40 public class AccessCheckUnnamed {
  41 
  42     // Test that a class in the unnamed module can not access a package in a
  43     // named module that has not been unqualifiedly exported.
  44     public static void main(String args[]) throws Throwable {
  45         Object m1, m2;
  46 
  47         // Get the java.lang.reflect.Module object for module java.base.
  48         Class jlObject = Class.forName("java.lang.Object");
  49         Object jlObject_jlrM = jlObject.getModule();
  50         assertNotNull(jlObject_jlrM, "jlrModule object of java.lang.Object should not be null");
  51 
  52         // Get the class loader for AccessCheckWorks and assume it's also used to
  53         // load class p2.c2.
  54         ClassLoader this_cldr = AccessCheckUnnamed.class.getClassLoader();
  55 
  56         // Define a module for p2.
  57         m2 = ModuleHelper.ModuleObject("module2", this_cldr, new String[] { "p2" });
  58         assertNotNull(m2, "Module should not be null");
  59         ModuleHelper.DefineModule(m2, "9.0", "m2/there", new String[] { "p2" });
  60         ModuleHelper.AddReadsModule(m2, jlObject_jlrM);
  61 
  62         // p1.c1's ctor tries to call a method in p2.c2.  This should fail because
  63         // p1 is in the unnamed module and p2.c2 is not unqualifiedly exported.
  64         Class p1_c1_class = Class.forName("p1.c1");
  65         try {
  66             Object c1_obj = p1_c1_class.newInstance();
  67             throw new RuntimeException("Failed to get IAE (p2 in m2 is not exported to unnamed module)");
  68         } catch (IllegalAccessError f) {
  69             System.out.println(f.getMessage());
  70             if (!f.getMessage().contains("does not export p2 to unnamed module")) {
  71                 throw new RuntimeException("Wrong message: " + f.getMessage());
  72             }
  73         }
  74     }
  75 }
  76