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 /*
  25  * @test
  26  * @modules java.base/jdk.internal.misc
  27  * @library /testlibrary /test/lib /compiler/whitebox ..
  28  * @compile p2/c2.java
  29  * @compile p3/c3.java
  30  * @build sun.hotspot.WhiteBox
  31  * @compile/module=java.base java/lang/reflect/ModuleHelper.java
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckSuper
  35  */
  36 
  37 import java.lang.reflect.Module;
  38 import static jdk.test.lib.Asserts.*;
  39 
  40 public class AccessCheckSuper {
  41 
  42     // Test that when a class cannot access its super class the message
  43     // contains  both "superclass" text and module text.
  44     public static void main(String args[]) throws Throwable {
  45 
  46         // Get the class loader for AccessCheckSuper and assume it's also used to
  47         // load class p2.c2 and class p3.c3.
  48         ClassLoader this_cldr = AccessCheckSuper.class.getClassLoader();
  49 
  50         // Define a module for p2.
  51         Object m2 = ModuleHelper.ModuleObject("module2", this_cldr, new String[] { "p2" });
  52         assertNotNull(m2, "Module should not be null");
  53         ModuleHelper.DefineModule(m2, "9.0", "m2/there", new String[] { "p2" });
  54 
  55         // Define a module for p3.
  56         Object m3 = ModuleHelper.ModuleObject("module3", this_cldr, new String[] { "p3" });
  57         assertNotNull(m3, "Module should not be null");
  58         ModuleHelper.DefineModule(m3, "9.0", "m3/there", new String[] { "p3" });
  59 
  60         // Since a readability edge has not been established between module2
  61         // and module3, p3.c3 cannot read its superclass p2.c2.
  62         try {
  63             Class p3_c3_class = Class.forName("p3.c3");
  64             throw new RuntimeException("Failed to get IAE (can't read superclass)");
  65         } catch (IllegalAccessError e) {
  66             if (!e.getMessage().contains("superclass access check failed") ||
  67                 !e.getMessage().contains("does not read")) {
  68                 throw new RuntimeException("Wrong message: " + e.getMessage());
  69             }
  70         }
  71     }
  72 }