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33
34 package edu.rice.cs.drjava.model.definitions.indent;
35
36 import javax.swing.text.BadLocationException JavaDoc;
37
38 /**
39  * Tests the question rule which determines if the current line
40  * in the document contains the given character.
41  * <p>
42  * All tests check for the ':' character on the current line.
43  *
44  * @version $Id: QuestionLineContainsTest.java 3901 2006-06-30 05:28:11Z rcartwright $
45  */
46 public final class QuestionLineContainsTest extends IndentRulesTestCase {
47
48   /**
49    * Ensures that a line containing a colon is detected.
50    * Tests that a line of text containing a colon is detected.
51    */
52   public void testLineContainsColon() throws BadLocationException JavaDoc {
53     IndentRuleQuestion rule = new QuestionLineContains(':', null, null);
54
55     // Colon in text
56 _setDocText("return test ? x : y;\n}\n");
57     _doc.setCurrentLocation(0);
58     assertTrue("colon in text (after startdoc)",
59         rule.applyRule(_doc, Indenter.OTHER));
60     _setDocText("foo();\nreturn test ? x : y;\n}\n");
61     _doc.setCurrentLocation(10);
62     assertTrue("colon in text (after newline)",
63         rule.applyRule(_doc, Indenter.OTHER));
64     _doc.setCurrentLocation(25);
65     assertTrue("colon in text (after colon on line)",
66         rule.applyRule(_doc, Indenter.OTHER));
67   }
68   
69   /**
70    * Ensures that a line containing a colon is detected.
71    * Tests that a line does not contain a colon.
72    */
73   public void testLineDoesNotContainColon() throws BadLocationException JavaDoc {
74     IndentRuleQuestion rule = new QuestionLineContains(':', null, null);
75     
76     // No colon in text
77 _setDocText("foo();\nreturn test ? x : y;\n}\n");
78     _doc.setCurrentLocation(6);
79     assertTrue("no colon", !rule.applyRule(_doc, Indenter.OTHER));
80     _doc.setCurrentLocation(28);
81     assertTrue("line of close brace (no colon in text)", !rule.applyRule(_doc, Indenter.OTHER));
82   }
83
84   /**
85    * Ensures that a line containing a colon is detected.
86    * Tests that a line containing a commented out colon is identified as a
87    * line that does not contain a colon.
88    */
89   public void testLineDoesNotContainColonDueToComments() throws BadLocationException JavaDoc {
90     IndentRuleQuestion rule = new QuestionLineContains(':', null, null);
91
92     // No colon, single line comment
93 _setDocText("//case 1:\nreturn test; //? x : y\n}\n");
94     _doc.setCurrentLocation(0);
95     assertTrue("entire line with colon in comment (no colon, single line comment)",
96         !rule.applyRule(_doc, Indenter.OTHER));
97     _doc.setCurrentLocation(10);
98     assertTrue("part of line with colon in comment (no colon, single line comment)",
99         !rule.applyRule(_doc, Indenter.OTHER));
100
101     // No colon, multi-line comment
102 _setDocText("foo();\nreturn test; /*? x : y*/\n}\n");
103     _doc.setCurrentLocation(7);
104     assertTrue("no colon, colon in multi-line comment", !rule.applyRule(_doc, Indenter.OTHER));
105   }
106
107   /**
108    * Ensures that a line containing a colon is detected.
109    * Tests that a line containing a colon in quotes is identified as a
110    * line that does not contain a colon.
111    */
112   public void testLineDoesNotContainColonDueToQuotes() throws BadLocationException JavaDoc {
113     IndentRuleQuestion rule = new QuestionLineContains(':', null, null);
114   
115     // No colon, quotes
116 _setDocText("foo();\nreturn \"total: \" + sum\n}\n");
117     _doc.setCurrentLocation(7);
118     assertTrue("no colon, colon in quotes", !rule.applyRule(_doc, Indenter.OTHER));
119   }
120 }
121
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