| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| @bug 8058473 |
| @summary "Comparison method violates its general contract" when using Clipboard |
| Ensure that DataTransferer.DataFlavorComparator conforms to Comparator contract |
| @author Anton Nashatyrev |
| @run main DataFlavorComparatorTest1 |
| */ |
| import sun.awt.datatransfer.DataTransferer; |
| |
| import java.awt.datatransfer.DataFlavor; |
| import java.util.Comparator; |
| |
| public class DataFlavorComparatorTest1 { |
| |
| public static void main(String[] args) throws Exception { |
| String[] mimes = new String[] { |
| "text/plain;class=java.nio.ByteBuffer;charset=UTF-8", |
| "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-8", |
| "text/plain;class=java.nio.ByteBuffer;charset=UTF-16LE", |
| "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-16LE", |
| "application/x-java-text-encoding", |
| "application/x-java-serialized-object;class=java.lang.String", |
| "text/plain;class=java.io.InputStream;charset=UTF-8", |
| "text/uri-list;class=java.io.InputStream;charset=UTF-8", |
| "text/plain;class=java.io.InputStream;charset=windows-1252", |
| "text/uri-list;class=java.io.InputStream;charset=windows-1252", |
| "application/x-java-url;class=java.net.URL", |
| "text/plain;class=java.io.Reader", |
| "text/plain;charset=windows-1252", |
| "text/uri-list;class=java.io.Reader", |
| "text/uri-list;charset=windows-1252", |
| "text/plain;charset=UTF-8", |
| "text/uri-list;charset=UTF-8", |
| "text/plain;class=java.io.InputStream;charset=US-ASCII", |
| "text/uri-list;class=java.io.InputStream;charset=US-ASCII", |
| "text/plain;class=java.io.InputStream;charset=UTF-16LE", |
| "text/plain;charset=US-ASCII", |
| "text/uri-list;class=java.io.InputStream;charset=UTF-16LE", |
| "text/uri-list;charset=US-ASCII", |
| "text/plain;charset=UTF-16LE", |
| "text/uri-list;charset=UTF-16LE", |
| "text/plain;class=java.nio.ByteBuffer;charset=UTF-16BE", |
| "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-16BE", |
| "text/plain;class=java.nio.ByteBuffer;charset=ISO-8859-1", |
| "text/uri-list;class=java.nio.ByteBuffer;charset=ISO-8859-1", |
| "text/plain", |
| "text/uri-list", |
| "text/plain;class=java.nio.ByteBuffer;charset=UTF-16", |
| "text/uri-list;class=java.nio.ByteBuffer;charset=UTF-16", |
| "text/plain;class=java.io.InputStream;charset=unicode", |
| "text/uri-list;class=java.io.InputStream;charset=UTF-16", |
| "text/plain;class=java.nio.CharBuffer", |
| "text/uri-list;class=java.nio.CharBuffer", |
| "text/plain;class=java.lang.String", |
| "text/plain;charset=UTF-16BE", |
| "text/uri-list;class=java.lang.String", |
| "text/uri-list;charset=UTF-16BE", |
| "text/plain;charset=ISO-8859-1", |
| "text/uri-list;charset=ISO-8859-1", |
| "text/plain;class=java.io.InputStream;charset=UTF-16BE", |
| "text/uri-list;class=java.io.InputStream;charset=UTF-16BE", |
| "text/plain;class=java.nio.ByteBuffer;charset=US-ASCII", |
| "text/uri-list;class=java.nio.ByteBuffer;charset=US-ASCII", |
| "text/plain;class=java.io.InputStream;charset=ISO-8859-1", |
| "text/uri-list;class=java.io.InputStream;charset=ISO-8859-1", |
| "text/plain;charset=UTF-16", |
| "text/plain;class=java.nio.ByteBuffer;charset=windows-1252", |
| "text/uri-list;charset=UTF-16", |
| "text/uri-list;class=java.nio.ByteBuffer;charset=windows-1252", |
| "text/plain;class=java.io.InputStream;charset=windows-1252", |
| "text/uri-list;class=java.io.InputStream;charset=windows-1252", |
| }; |
| |
| DataFlavor[] flavors = new DataFlavor[mimes.length]; |
| for (int i = 0; i < flavors.length; i++) { |
| flavors[i] = new DataFlavor(mimes[i]); |
| } |
| |
| testComparator(new DataTransferer.DataFlavorComparator(true), flavors); |
| testComparator(new DataTransferer.DataFlavorComparator(false), flavors); |
| |
| } |
| |
| private static void testComparator(Comparator cmp, DataFlavor[] flavs) |
| throws ClassNotFoundException { |
| |
| for (DataFlavor x: flavs) { |
| for (DataFlavor y: flavs) { |
| if (Math.signum(cmp.compare(x,y)) != -Math.signum(cmp.compare(y,x))) { |
| throw new RuntimeException("Antisymmetry violated: " + x + ", " + y); |
| } |
| if (cmp.compare(x,y) == 0 && !x.equals(y)) { |
| throw new RuntimeException("Equals rule violated: " + x + ", " + y); |
| } |
| for (DataFlavor z: flavs) { |
| if (cmp.compare(x,y) == 0) { |
| if (Math.signum(cmp.compare(x, z)) != Math.signum(cmp.compare(y, z))) { |
| throw new RuntimeException("Transitivity (1) violated: " + x + ", " + y + ", " + z); |
| } |
| } else { |
| if (Math.signum(cmp.compare(x, y)) == Math.signum(cmp.compare(y, z))) { |
| if (Math.signum(cmp.compare(x, y)) != Math.signum(cmp.compare(x, z))) { |
| throw new RuntimeException("Transitivity (2) violated: " + x + ", " + y + ", " + z); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
