1 /*
   2  * Copyright (c) 2013, 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 import java.awt.datatransfer.DataFlavor;
  25 import java.awt.datatransfer.SystemFlavorMap;
  26 import java.util.Arrays;
  27 import java.util.HashSet;
  28 import java.util.List;
  29 import java.util.Map;
  30 
  31 /* @test
  32  * @bug 8028230
  33  * @summary Checks that SystemFlavorMap.getNativesForFlavor returns a list without duplicates
  34  * @author Petr Pchelko
  35  * @modules java.datatransfer
  36  * @run main DuplicatedNativesTest
  37  */
  38 public class DuplicatedNativesTest {
  39 
  40     public static void main(String[] args) throws Exception {
  41 
  42         // 1. Check that returned natives do not contain duplicates.
  43         SystemFlavorMap flavorMap = (SystemFlavorMap)SystemFlavorMap.getDefaultFlavorMap();
  44         for (Map.Entry<DataFlavor, String> entry : flavorMap.getNativesForFlavors(null).entrySet()) {
  45             List<String> natives = flavorMap.getNativesForFlavor(entry.getKey());
  46             if (new HashSet<>(natives).size() != natives.size()) {
  47                 throw new RuntimeException("FAILED: returned natives contain duplicates: " + Arrays.toString(natives.toArray()));
  48             }
  49         }
  50 
  51         // 2. Check that even if we set a duplicate it would be ignored.
  52         flavorMap.setNativesForFlavor(DataFlavor.stringFlavor, new String[] {"test", "test", "test"});
  53         List<String> natives = flavorMap.getNativesForFlavor(DataFlavor.stringFlavor);
  54         if (new HashSet<>(natives).size() != natives.size()) {
  55             throw new RuntimeException("FAILED: duplicates were not ignored: " + Arrays.toString(natives.toArray()));
  56         }
  57     }
  58 }