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33
34 package edu.rice.cs.drjava.model.repl;
35
36 import edu.rice.cs.drjava.DrJavaTestCase;
37 import edu.rice.cs.drjava.model.GlobalModel;
38 import edu.rice.cs.drjava.ui.InteractionsPane;
39 import edu.rice.cs.drjava.ui.MainFrame;
40 import edu.rice.cs.util.text.EditDocumentException;
41
42 import java.io.File JavaDoc;
43
44 /** Tests the functionality of the InteractionsDJDocument. */
45 public final class InteractionsDJDocumentTest extends DrJavaTestCase {
46
47   protected InteractionsDJDocument _adapter;
48   protected InteractionsModel _model;
49   protected InteractionsDocument _doc;
50   protected InteractionsPane _pane;
51   protected MainFrame mf;
52   
53   /** Initialize fields for each test. */
54   protected void setUp() throws Exception JavaDoc {
55     super.setUp();
56     mf = new MainFrame();
57     GlobalModel gm = mf.getModel();
58     _model = gm.getInteractionsModel();
59     _adapter = gm.getSwingInteractionsDocument();
60     _doc = gm.getInteractionsDocument();
61   }
62   
63   private boolean _interpreterRestarted = false;
64   
65   /** Tests that the styles list is updated and reset properly */
66   public void testStylesListContentAndReset() throws EditDocumentException, InterruptedException JavaDoc {
67     /* The banner and the prompt are inserted in the styles list when the document is constructed; the corresponding
68        offsets are computed in the tests below.
69      */
70     
71     final Object JavaDoc _restartLock = new Object JavaDoc();
72     
73     assertEquals("StylesList before insert should contain 2 pairs", 2, _adapter.getStylesList().size());
74     
75     int blen = _model.getStartUpBanner().length();
76     
77     /** Elt1, Elt2 are first two elements pushed on the StylesList stack */
78     String JavaDoc styleElt1 = "((0, " + blen + "), object.return.style)";
79     String JavaDoc styleElt2 = "((" + blen + ", " + (blen + 2) + "), default)";
80
81     assertEquals("The first element pushed on StylesList before insertion should be", styleElt1,
82                  _adapter.getStylesList().get(1).toString());
83     assertEquals("The second element pushed on StylesList before insertion should be", styleElt2,
84                  _adapter.getStylesList().get(0).toString());
85     
86     // Insert some text
87 _doc.insertText(_doc.getLength(), "5", InteractionsDocument.NUMBER_RETURN_STYLE);
88     
89     /* Third element pushed StylesList stack before reset */
90     String JavaDoc styleElt3 = "((" + (blen + 2) + ", " + (blen + 3) + "), number.return.style)";
91
92     assertEquals("StylesList before reset should contain 3 pairs", 3, _adapter.getStylesList().size());
93     
94     assertEquals("The first element pushed on StylesList before reset should be", styleElt1,
95                  _adapter.getStylesList().get(2).toString());
96     assertEquals("The second element pushed on StylesList before reset should be", styleElt2,
97                  _adapter.getStylesList().get(1).toString());
98     assertEquals("The last element pushed on StylesList before reset should be", styleElt3,
99                  _adapter.getStylesList().get(0).toString());
100     
101 // System.err.println("Doc text: " + _adapter.getText());
102 // System.err.println("The styles list is: " + _adapter.getStylesList());
103 // System.err.println("The length of the startUp banner is: " + InteractionsModel.getStartUpBanner().length());
104
105     /* Reset interactions and wait until it completes */
106
107     InteractionsListener restartCommand = new DummyInteractionsListener() {
108       public void interpreterReady(File JavaDoc wd) {
109         synchronized(_restartLock) {
110           _interpreterRestarted = true;
111           _restartLock.notify();
112         }
113       }};
114     _model.addListener(restartCommand);
115                                    
116     // Reset should clear
117 _model.setWaitingForFirstInterpreter(false);
118     
119     synchronized(_restartLock) { _interpreterRestarted = false; }
120       
121     // Reset the interactions pane, restarting the interpreter
122 File JavaDoc f = _model.getWorkingDirectory();
123     _model.resetInterpreter(f);
124
125     //. Wait until interpreter has restarted
126 synchronized(_restartLock) { while (! _interpreterRestarted) _restartLock.wait(); }
127     _model.removeListener(restartCommand);
128     
129 // System.err.println("Doc text: " + _adapter.getText());
130 // System.err.println("Text length: " + _adapter.getLength());
131 // System.err.println("The styles list is: " + _adapter.getStylesList());
132
133     assertEquals("StylesList after reset should contain 2 pairs", 2, _adapter.getStylesList().size());
134     
135     assertEquals("The first element pushed on StylesList after reset should be", styleElt1,
136                  _adapter.getStylesList().get(1).toString());
137     assertEquals("The second element pushed on StylesList after reset should be", styleElt2,
138                  _adapter.getStylesList().get(0).toString());
139     
140     
141
142   }
143
144   /**
145    * Tests that a null style is not added to the list. Fix for bug #995719
146    */
147   public void testCannotAddNullStyleToList() throws EditDocumentException {
148     // the banner and the prompt are inserted in the styles list when the document is constructed
149 assertEquals("StylesList before insert should contain 2 pairs",
150                  2, _adapter.getStylesList().size());
151
152     // Insert some text
153 _doc.insertText(_doc.getLength(), "5", InteractionsDocument.NUMBER_RETURN_STYLE);
154
155     assertEquals("StylesList should contain 3 pairs",
156                  3, _adapter.getStylesList().size());
157
158     // Insert some text with a null style
159 _doc.insertText(_doc.getLength(), "6", null);
160
161     assertEquals("StylesList should still contain 3 pairs - null string should not have been inserted",
162                  3, _adapter.getStylesList().size());
163   }
164 }
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