1 /*
   2  * Copyright (c) 2015, 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 Ensure that a class defined within a java.base package can not
  27  *          be located via -Xbootclasspath/a
  28  * @library /testlibrary
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run main/othervm XbootcpNoVisibility
  32  */
  33 
  34 import jdk.test.lib.*;
  35 
  36 public class XbootcpNoVisibility {
  37     public static void main(String args[]) throws Exception {
  38 
  39         String Vis3_B_src =
  40                 "package sun.util;" +
  41                 "public class Vis3_B { public void m() { System.out.println(\"In B's m()\"); } }";
  42 
  43         ClassFileInstaller.writeClassToDisk("sun/util/Vis3_B",
  44             InMemoryJavaCompiler.compile("sun.util.Vis3_B", Vis3_B_src), System.getProperty("test.classes"));
  45 
  46         String Vis3_A_src =
  47                 "import sun.util.*;" +
  48                 "public class Vis3_A {" +
  49                 "    public static void main(String args[]) throws Exception {" +
  50                         // Try loading a class within a named package in a module which has been defined
  51                         // to the boot loader. In this situation, the class should only be attempted
  52                         // to be loaded from the boot loader's module path which consists of:
  53                         //   [-Xpatch]; exploded build | "modules" jimage
  54                         //
  55                         // Since the class is located on the boot loader's append path via
  56                         // -Xbootclasspath/a specification, it should not be found.
  57                 "       try {" +
  58                 "               sun.util.Vis3_B b = new sun.util.Vis3_B();" +
  59                 "       } catch (NoClassDefFoundError e) {" +
  60                 "               System.out.println(\"XbootcpNoVisibility PASSED - " +
  61                                                 "test should throw exception\\n\");" +
  62                 "               return;" +
  63                 "       }" +
  64                 "       throw new RuntimeException(\"XbootcpNoVisibility FAILED - " +
  65                                                     "test should have thrown exception\");" +
  66                 "    }" +
  67                 "}";
  68 
  69         ClassFileInstaller.writeClassToDisk("Vis3_A",
  70                 InMemoryJavaCompiler.compile("Vis3_A", Vis3_A_src), System.getProperty("test.classes"));
  71 
  72         new OutputAnalyzer(ProcessTools.createJavaProcessBuilder(
  73                 "-Xbootclasspath/a:.",
  74                 "Vis3_A")
  75             .start()).shouldContain("XbootcpNoVisibility PASSED");
  76     }
  77 }