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Java > Open Source Codes > nextapp > echo2 > app > test > TextFieldTest


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package nextapp.echo2.app.test;
31
32 import nextapp.echo2.app.Alignment;
33 import nextapp.echo2.app.Extent;
34 import nextapp.echo2.app.IllegalChildException;
35 import nextapp.echo2.app.Label;
36 import nextapp.echo2.app.TextField;
37 import nextapp.echo2.app.text.StringDocument;
38 import junit.framework.TestCase;
39
40 /**
41  * Unit test(s) for the <code>nextapp.echo2.app.TextField</code> and
42  * <code>nextapp.echo.TextComponent</code> components.
43  */
44 public class TextFieldTest extends TestCase {
45     
46     /**
47      * Test empty constructor and verify defaults.
48      */
49     public void testEmptyConstructor() {
50         TextField textField = new TextField();
51         assertNotNull(textField.getDocument());
52         assertEquals(StringDocument.class, textField.getDocument().getClass());
53     }
54     
55     /**
56      * Attempt to illegally add children, test for failure.
57      */
58     public void testIllegalChildren() {
59         TextField textField = new TextField();
60         boolean exceptionThrown = false;
61         try {
62             textField.add(new Label("you can't add children to this component, right?"));
63         } catch (IllegalChildException ex) {
64             exceptionThrown = true;
65         }
66         assertTrue(exceptionThrown);
67     }
68     
69     /**
70      * Test receiving input from client.
71      */
72     public void testInput() {
73         TextField textField = new TextField();
74         textField.processInput(TextField.TEXT_CHANGED_PROPERTY, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
75         assertEquals("ABCDEFGHIJKLMNOPQRSTUVWXYZ", textField.getDocument().getText());
76     }
77
78     /**
79      * Test primary constructor.
80      */
81     public void testPrimaryConstructor() {
82         TextField textField = new TextField(new StringDocument(), "text", 30);
83         assertEquals("text", textField.getDocument().getText());
84         assertEquals(new Extent(30, Extent.EX), textField.getWidth());
85     }
86     
87     /**
88      * Ensure large text is trimmed if MaximumLength property is et.
89      */
90     public void testMaxLengthTrim() {
91         TextField textField = new TextField();
92         textField.setMaximumLength(5);
93         textField.setText("abcdefghijkl");
94         assertEquals("abcde", textField.getText());
95     }
96     
97     /**
98      * Test property accessors and mutators.
99      */
100     public void testProperties() {
101         TextField textField = new TextField();
102         textField.setAlignment(new Alignment(Alignment.LEADING, Alignment.BOTTOM));
103         assertEquals(new Alignment(Alignment.LEADING, Alignment.BOTTOM), textField.getAlignment());
104         textField.setBorder(TestConstants.BORDER_THICK_ORANGE);
105         assertEquals(TestConstants.BORDER_THICK_ORANGE, textField.getBorder());
106         textField.setHeight(TestConstants.EXTENT_30_PX);
107         assertEquals(TestConstants.EXTENT_30_PX, textField.getHeight());
108         textField.setInsets(TestConstants.INSETS_1234);
109         assertEquals(TestConstants.INSETS_1234, textField.getInsets());
110         textField.setWidth(TestConstants.EXTENT_100_PX);
111         assertEquals(TestConstants.EXTENT_100_PX, textField.getWidth());
112         textField.setBackgroundImage(TestConstants.BACKGROUND_IMAGE);
113
114         assertEquals(TestConstants.BACKGROUND_IMAGE, textField.getBackgroundImage());
115         assertEquals(-1, textField.getMaximumLength());
116         textField.setMaximumLength(20);
117         assertEquals(20, textField.getMaximumLength());
118         textField.setMaximumLength(-1);
119         assertEquals(-1, textField.getMaximumLength());
120     }
121 }
122
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