1 /* 2 * Copyright (c) 2014, 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 @bug 4386360 27 @summary tests that DataFlavor.selectBestTextFlavor() returns null when passed 28 is a null array or an empty array or an array which doesn't contain 29 a text flavor in a supported encoding. 30 @author das@sparc.spb.su area=datatransfer 31 @run main SelectBestTextFlavorBadArrayTest 32 */ 33 34 import java.awt.datatransfer.DataFlavor; 35 import java.util.Stack; 36 import java.util.stream.Collectors; 37 38 public class SelectBestTextFlavorBadArrayTest { 39 40 public static void main(String[] args) { 41 final String[] failureMessages = { 42 "DataFlavor.selectBestTextFlavor(null) doesn't return null.", 43 "DataFlavor.selectBestTextFlavor() doesn't return null for an empty array.", 44 "DataFlavor.selectBestTextFlavor() shouldn't return flavor in an unsupported encoding." 45 }; 46 Stack<String> failures = new Stack<>(); 47 48 DataFlavor flavor = DataFlavor.selectBestTextFlavor(null); 49 if (flavor != null) { 50 failures.push(failureMessages[0]); 51 } 52 flavor = DataFlavor.selectBestTextFlavor(new DataFlavor[0]); 53 if (flavor != null) { 54 failures.push(failureMessages[1]); 55 } 56 57 try { 58 flavor = DataFlavor.selectBestTextFlavor(new DataFlavor[] 59 { new DataFlavor("text/plain; charset=unsupported; class=java.io.InputStream") }); 60 } catch (ClassNotFoundException e) { 61 e.printStackTrace(); 62 failures.push("Exception thrown: " + e.toString()); 63 } 64 if (flavor != null) { 65 failures.push(failureMessages[2]); 66 } 67 68 if (failures.size() > 0) { 69 String failureReport = failures.stream().collect(Collectors.joining("\n")); 70 throw new RuntimeException("TEST FAILED: \n" + failureReport); 71 } 72 } 73 }