1/* 2 * Copyright (c) 2014, 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/* @test 25 @bug 8058473 26 @summary "Comparison method violates its general contract" when using Clipboard 27 Ensure that DataFlavorComparator conforms to Comparator contract 28 @author Anton Nashatyrev 29 @modules java.datatransfer/sun.datatransfer 30 @run main DataFlavorComparatorTest1 31*/ 32import sun.datatransfer.DataFlavorUtil; 33 34import java.awt.datatransfer.DataFlavor; 35import java.util.Comparator; 36 37public class DataFlavorComparatorTest1 { 38 39 public static void main(String[] args) throws Exception { 40 String[] mimes = new String[] { 41 "text/plain;class=java.nio.ByteBuffer;charset=UTF-8", 42 "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-8", 43 "text/plain;class=java.nio.ByteBuffer;charset=UTF-16LE", 44 "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-16LE", 45 "application/x-java-text-encoding", 46 "application/x-java-serialized-object;class=java.lang.String", 47 "text/plain;class=java.io.InputStream;charset=UTF-8", 48 "text/uri-list;class=java.io.InputStream;charset=UTF-8", 49 "text/plain;class=java.io.InputStream;charset=windows-1252", 50 "text/uri-list;class=java.io.InputStream;charset=windows-1252", 51 "application/x-java-url;class=java.net.URL", 52 "text/plain;class=java.io.Reader", 53 "text/plain;charset=windows-1252", 54 "text/uri-list;class=java.io.Reader", 55 "text/uri-list;charset=windows-1252", 56 "text/plain;charset=UTF-8", 57 "text/uri-list;charset=UTF-8", 58 "text/plain;class=java.io.InputStream;charset=US-ASCII", 59 "text/uri-list;class=java.io.InputStream;charset=US-ASCII", 60 "text/plain;class=java.io.InputStream;charset=UTF-16LE", 61 "text/plain;charset=US-ASCII", 62 "text/uri-list;class=java.io.InputStream;charset=UTF-16LE", 63 "text/uri-list;charset=US-ASCII", 64 "text/plain;charset=UTF-16LE", 65 "text/uri-list;charset=UTF-16LE", 66 "text/plain;class=java.nio.ByteBuffer;charset=UTF-16BE", 67 "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-16BE", 68 "text/plain;class=java.nio.ByteBuffer;charset=ISO-8859-1", 69 "text/uri-list;class=java.nio.ByteBuffer;charset=ISO-8859-1", 70 "text/plain", 71 "text/uri-list", 72 "text/plain;class=java.nio.ByteBuffer;charset=UTF-16", 73 "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-16", 74 "text/plain;class=java.io.InputStream;charset=unicode", 75 "text/uri-list;class=java.io.InputStream;charset=UTF-16", 76 "text/plain;class=java.nio.CharBuffer", 77 "text/uri-list;class=java.nio.CharBuffer", 78 "text/plain;class=java.lang.String", 79 "text/plain;charset=UTF-16BE", 80 "text/uri-list;class=java.lang.String", 81 "text/uri-list;charset=UTF-16BE", 82 "text/plain;charset=ISO-8859-1", 83 "text/uri-list;charset=ISO-8859-1", 84 "text/plain;class=java.io.InputStream;charset=UTF-16BE", 85 "text/uri-list;class=java.io.InputStream;charset=UTF-16BE", 86 "text/plain;class=java.nio.ByteBuffer;charset=US-ASCII", 87 "text/uri-list;class=java.nio.ByteBuffer;charset=US-ASCII", 88 "text/plain;class=java.io.InputStream;charset=ISO-8859-1", 89 "text/uri-list;class=java.io.InputStream;charset=ISO-8859-1", 90 "text/plain;charset=UTF-16", 91 "text/plain;class=java.nio.ByteBuffer;charset=windows-1252", 92 "text/uri-list;charset=UTF-16", 93 "text/uri-list;class=java.nio.ByteBuffer;charset=windows-1252", 94 "text/plain;class=java.io.InputStream;charset=windows-1252", 95 "text/uri-list;class=java.io.InputStream;charset=windows-1252", 96 }; 97 98 DataFlavor[] flavors = new DataFlavor[mimes.length]; 99 for (int i = 0; i < flavors.length; i++) { 100 flavors[i] = new DataFlavor(mimes[i]); 101 } 102 103 testComparator(DataFlavorUtil.getDataFlavorComparator(), flavors); 104 105 System.out.println("Passed."); 106 } 107 108 private static void testComparator(Comparator cmp, DataFlavor[] flavs) 109 throws ClassNotFoundException { 110 111 for (DataFlavor x: flavs) { 112 for (DataFlavor y: flavs) { 113 if (Math.signum(cmp.compare(x,y)) != -Math.signum(cmp.compare(y,x))) { 114 throw new RuntimeException("Antisymmetry violated: " + x + ", " + y); 115 } 116 if (cmp.compare(x,y) == 0 && !x.equals(y)) { 117 throw new RuntimeException("Equals rule violated: " + x + ", " + y); 118 } 119 for (DataFlavor z: flavs) { 120 if (cmp.compare(x,y) == 0) { 121 if (Math.signum(cmp.compare(x, z)) != Math.signum(cmp.compare(y, z))) { 122 throw new RuntimeException("Transitivity (1) violated: " + x + ", " + y + ", " + z); 123 } 124 } else { 125 if (Math.signum(cmp.compare(x, y)) == Math.signum(cmp.compare(y, z))) { 126 if (Math.signum(cmp.compare(x, y)) != Math.signum(cmp.compare(x, z))) { 127 throw new RuntimeException("Transitivity (2) violated: " + x + ", " + y + ", " + z); 128 } 129 } 130 } 131 } 132 } 133 } 134 } 135} 136