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 /*
  26   @test
  27   @key headful
  28   @bug 4718897
  29   @summary tests that a Unicode string can be transferred between JVMs.
  30   @author das@sparc.spb.su area=datatransfer
  31   @library ../../regtesthelpers/process
  32   @build ProcessResults ProcessCommunicator
  33   @run main UnicodeTransferTest
  34 */
  35 
  36 import java.awt.datatransfer.*;
  37 import java.awt.*;
  38 import java.text.Normalizer;
  39 
  40 import test.java.awt.regtesthelpers.process.ProcessResults;
  41 import test.java.awt.regtesthelpers.process.ProcessCommunicator;
  42 
  43 public class UnicodeTransferTest {
  44     private static final Toolkit tk = Toolkit.getDefaultToolkit();
  45     private static final Clipboard clipboard = tk.getSystemClipboard();
  46     private static final Transferable t = new StringSelection(Util.getTestString());
  47 
  48     public static void main(String[] args) throws Exception {
  49         Util.setClipboardContents(clipboard, t, null);
  50         ProcessResults result = ProcessCommunicator.executeChildProcess(
  51                 UnicodeTransferTestChild.class, new String[0]);
  52         verifyTestResults(result);
  53     }
  54 
  55     private static void verifyTestResults(ProcessResults processResults) {
  56         if (processResults.getExitValue() != 0) {
  57             processResults.printProcessErrorOutput(System.err);
  58             throw new RuntimeException("TEST IS FAILED. See child stderr");
  59         }
  60         processResults.verifyStdErr(System.err);
  61         processResults.verifyProcessExitValue(System.err);
  62         processResults.printProcessStandartOutput(System.out);
  63     }
  64 
  65 }
  66 
  67 class Util {
  68     private static String testString = null;
  69 
  70     static {
  71         StringBuilder buf = new StringBuilder();
  72         for (int i = 1; i < 0x10000; i++) {
  73             // Skip surrogates.
  74             if (i < 0xD800 || (i > 0xDFFF && i < 0xFFF0)) {
  75                 buf.append((char) i);
  76             } else {
  77                 buf.append(0x20);
  78             }
  79         }
  80         // On OS X the unicode string is normalized but the clipboard,
  81         // so we need to use normalized strings as well to be able to
  82         // check the result
  83         testString = Normalizer.normalize(buf.toString(), Normalizer.Form.NFC);
  84     }
  85 
  86     public static String getTestString() {
  87         return testString;
  88     }
  89 
  90     public static void setClipboardContents(Clipboard cb,
  91                                             Transferable contents,
  92                                             ClipboardOwner owner) {
  93 
  94         boolean set = false;
  95         while (!set) {
  96             try {
  97                 cb.setContents(contents, owner);
  98                 set = true;
  99             } catch (IllegalStateException ise) {
 100                 try {
 101                     Thread.sleep(100);
 102                 } catch (InterruptedException e) {
 103                     e.printStackTrace();
 104                 }
 105             }
 106         }
 107     }
 108 
 109     public static Transferable getClipboardContents(Clipboard cb,
 110                                                     Object requestor) {
 111         while (true) {
 112             try {
 113                 return cb.getContents(requestor);
 114             } catch (IllegalStateException ise) {
 115                 try {
 116                     Thread.sleep(100);
 117                 } catch (InterruptedException e) {
 118                     e.printStackTrace();
 119                 }
 120             }
 121         }
 122     }
 123 }
 124 
 125 class UnicodeTransferTestChild {
 126     private static final Toolkit tk = Toolkit.getDefaultToolkit();
 127     private static final Clipboard clipboard = tk.getSystemClipboard();
 128 
 129     public static void main(String[] args) {
 130         Transferable t = Util.getClipboardContents(clipboard, null);
 131 
 132         if (t.isDataFlavorSupported(DataFlavor.stringFlavor)) {
 133             Object o = null;
 134             try {
 135                 o = t.getTransferData(DataFlavor.stringFlavor);
 136             } catch (Exception e) {
 137                 e.printStackTrace();
 138             }
 139             String testStr = Util.getTestString();
 140 
 141             if (!testStr.equals(o)) {
 142                 if (o instanceof String) {
 143                     String s = (String)o;
 144                     if (s.length() != testStr.length()) {
 145                         System.err.println("Received length:" + s.length() +
 146                                 " Expected length: " +
 147                                 testStr.length());
 148                     } else {
 149                         for (int i = 0; i < s.length(); i++) {
 150                             char ch = s.charAt(i);
 151                             char expected = testStr.charAt(i);
 152                             if (ch != expected) {
 153                                 System.err.println("i=" + i +
 154                                         " char=" +
 155                                         Integer.toHexString((int)ch) +
 156                                         " expected=" +
 157                                         Integer.toHexString(expected));
 158                             }
 159                         }
 160                     }
 161                 } else {
 162                     System.err.println("Received object:" + o);
 163                 }
 164                 throw new RuntimeException("String doesn't match.");
 165             }
 166         } else {
 167             throw new RuntimeException("Clipboard content was not set");
 168         }
 169     }
 170 }