1 /*
   2  * Copyright (c) 2019, 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  * @compile otherPkg/wrongPackage.java Pkg/Permitted.java Pkg/notPermitted.jcod Pkg/sealedInterface.java
  27  * @run main/othervm SealedUnnamedModuleIntfTest
  28  */
  29 
  30 public class SealedUnnamedModuleIntfTest {
  31 
  32     public static void main(String args[]) throws Throwable {
  33 
  34         // Classes Permitted, notPermitted, and wrongPackage all try to implement
  35         // sealed interface sealedInterface.
  36         // Interface sealedInterface permits classes Permitted and wrongPackage.
  37 
  38         // Test permitted subtype and supertype in unnamed module and same package.
  39         // This should succeed.
  40         Class permitted = Class.forName("Pkg.Permitted");
  41 
  42         // Test unpermitted subtype and supertype in unnamed module and same package.
  43         // This should throw an exception.
  44         try {
  45             Class notPermitted = Class.forName("Pkg.notPermitted");
  46             throw new RuntimeException("Expected VerifyError exception not thrown");
  47         } catch (VerifyError e) {
  48             if (!e.getMessage().contains("cannot implement sealed interface")) {
  49                 throw new RuntimeException("Wrong VerifyError exception thrown: " + e.getMessage());
  50             }
  51         }
  52 
  53         // Test both permitted subtype and supertype in unnamed module but in different
  54         // packages.  This should throw an exception.
  55         try {
  56             Class wrongPkg = Class.forName("otherPkg.wrongPackage");
  57         } catch (VerifyError e) {
  58             if (!e.getMessage().contains("cannot implement sealed interface")) {
  59                 throw new RuntimeException("Wrong VerifyError exception thrown: " + e.getMessage());
  60             }
  61         }
  62     }
  63 }