jdk/test/java/awt/TextField/EOLTest/EOLTest.java
changeset 34787 36167bbe1a9f
child 39056 d99e63b6d962
equal deleted inserted replaced
34786:36c3d93671f8 34787:36167bbe1a9f
       
     1 /*
       
     2  * Copyright (c) 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 /*
       
    25  @test
       
    26  @bug 8055197 7186036
       
    27  @summary TextField should replace EOL character with space character
       
    28  @run main EOLTest
       
    29  */
       
    30 
       
    31 import java.awt.Frame;
       
    32 import java.awt.TextField;
       
    33 import java.io.ByteArrayInputStream;
       
    34 import java.io.ByteArrayOutputStream;
       
    35 import java.io.ObjectInput;
       
    36 import java.io.ObjectInputStream;
       
    37 import java.io.ObjectOutput;
       
    38 import java.io.ObjectOutputStream;
       
    39 
       
    40 public class EOLTest {
       
    41 
       
    42     private Frame mainFrame;
       
    43     private TextField textField;
       
    44     private String testStrEOL;
       
    45     private boolean isTestFail;
       
    46     private int testFailCount;
       
    47     StringBuilder testFailMessage;
       
    48     private String expectedString = "Row1 Row2 Row3";
       
    49 
       
    50     public EOLTest() {
       
    51         mainFrame = new Frame();
       
    52         mainFrame.setSize(200, 200);
       
    53         mainFrame.setVisible(true);
       
    54         testFailMessage = new StringBuilder();
       
    55         testStrEOL = "Row1" + System.lineSeparator() + "Row2\nRow3";
       
    56     }
       
    57 
       
    58     private void testConstructor1() {
       
    59         textField = new TextField(testStrEOL);
       
    60         textField.setSize(200, 100);
       
    61         mainFrame.add(textField);
       
    62         checkTest();
       
    63         mainFrame.remove(textField);
       
    64     }
       
    65 
       
    66     private void testConstructor2() {
       
    67         textField = new TextField(30);
       
    68         textField.setSize(200, 100);
       
    69         mainFrame.add(textField);
       
    70         textField.setText(testStrEOL);
       
    71         checkTest();
       
    72         mainFrame.remove(textField);
       
    73     }
       
    74 
       
    75     private void testConstructor3() {
       
    76         textField = new TextField(testStrEOL, 30);
       
    77         textField.setSize(200, 100);
       
    78         mainFrame.add(textField);
       
    79         checkTest();
       
    80         mainFrame.remove(textField);
       
    81     }
       
    82 
       
    83     private void testSetText() {
       
    84         textField = new TextField();
       
    85         textField.setSize(200, 100);
       
    86         textField.setText(testStrEOL);
       
    87         mainFrame.add(textField);
       
    88         checkTest();
       
    89         mainFrame.remove(textField);
       
    90     }
       
    91 
       
    92     private void testDeserialization() {
       
    93         TextField textFieldToSerialize = new TextField(testStrEOL);
       
    94         textFieldToSerialize.setSize(200, 100);
       
    95         mainFrame.add(textFieldToSerialize);
       
    96         try {
       
    97             // Serialize TextField object "textFieldToSerialize".
       
    98             ByteArrayOutputStream baos = new ByteArrayOutputStream();
       
    99             ObjectOutput outStream = new ObjectOutputStream(baos);
       
   100             outStream.writeObject(textFieldToSerialize);
       
   101 
       
   102             // Search the text variable data through serialized object stream.
       
   103             byte[] streamedBytes = baos.toByteArray();
       
   104             int foundLoc = 0;
       
   105             for (int i = 0; i < streamedBytes.length; ++i) {
       
   106                 if (streamedBytes[i] == expectedString.charAt(0)) {
       
   107                     foundLoc = i;
       
   108                     int j = 1;
       
   109                     for (; j < expectedString.length(); ++j) {
       
   110                         if (streamedBytes[i+j] != expectedString.charAt(j)) {
       
   111                             break;
       
   112                         }
       
   113                     }
       
   114                     if (j == expectedString.length()) {
       
   115                         break;
       
   116                     }
       
   117                 }
       
   118                 foundLoc = -1;
       
   119             }
       
   120 
       
   121             if (foundLoc == -1) {
       
   122                 // Could not find text data in serialized object stream.
       
   123                 throw new Exception("Could not find text data in serialized "
       
   124                     + "object stream.");
       
   125             }
       
   126             // Replace space character from serialized stream with
       
   127             // EOL character for testing de-serialization.
       
   128             String EOLChar = System.lineSeparator();
       
   129             String newExpectedString = "";
       
   130             for (int i = foundLoc, j = 0; j < expectedString.length(); ++i, ++j) {
       
   131                 newExpectedString += (char)(streamedBytes[i]);
       
   132                 if (streamedBytes[i] == ' ') {
       
   133                     int k = 0;
       
   134                     for (; k < EOLChar.length(); ++k) {
       
   135                         streamedBytes[i + k] = (byte) EOLChar.charAt(k);
       
   136                     }
       
   137                     i += k-1;
       
   138                     j += k-1;
       
   139                 }
       
   140             }
       
   141             // New line character varies with platform,
       
   142             // ex. For windows '\r\n', for linux '\n'.
       
   143             // While replacing space from serialized object stream, the length
       
   144             // of EOL character will affect the expected string as well.
       
   145             expectedString = newExpectedString;
       
   146 
       
   147             // De-serialize TextField object stream.
       
   148             ByteArrayInputStream bais = new ByteArrayInputStream(streamedBytes);
       
   149             ObjectInput inStream = new ObjectInputStream(bais);
       
   150             textField = (TextField) inStream.readObject();
       
   151         } catch (Exception ex) {
       
   152             // Serialization or De-serialization failed.
       
   153             // Create textField with empty string to show failure.
       
   154             ex.printStackTrace();
       
   155             textField = new TextField();
       
   156         }
       
   157 
       
   158         checkTest();
       
   159         mainFrame.remove(textFieldToSerialize);
       
   160     }
       
   161 
       
   162     private void checkTest() {
       
   163         if (!textField.getText().equals(expectedString)) {
       
   164             testFailMessage.append("TestFail line : ");
       
   165             testFailMessage.append(Thread.currentThread().getStackTrace()[2].
       
   166                     getLineNumber());
       
   167             testFailMessage.append(" TextField.getText() : \"");
       
   168             testFailMessage.append(textField.getText());
       
   169             testFailMessage.append("\" does not match expected string : \"");
       
   170             testFailMessage.append(expectedString).append("\"");
       
   171             testFailMessage.append(System.getProperty("line.separator"));
       
   172             testFailCount++;
       
   173             isTestFail = true;
       
   174         }
       
   175     }
       
   176 
       
   177     private void checkFailures() {
       
   178         if (isTestFail) {
       
   179             testFailMessage.insert(0, "Test Fail count : " + testFailCount
       
   180                     + System.getProperty("line.separator"));
       
   181             dispose();
       
   182             throw new RuntimeException(testFailMessage.toString());
       
   183         }
       
   184     }
       
   185 
       
   186     private void dispose() {
       
   187         if (mainFrame != null) {
       
   188             mainFrame.dispose();
       
   189         }
       
   190     }
       
   191 
       
   192     public static void main(String[] args) {
       
   193         EOLTest testEOL = new EOLTest();
       
   194         testEOL.testConstructor1();
       
   195         testEOL.testConstructor2();
       
   196         testEOL.testConstructor3();
       
   197         testEOL.testSetText();
       
   198         testEOL.testDeserialization();
       
   199         testEOL.checkFailures();
       
   200         testEOL.dispose();
       
   201     }
       
   202 }