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Java > Open Source Codes > edu > rice > cs > drjava > model > definitions > indent > ActionStartPrevStmtPlusTest


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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  * Test the action rules for code in the indentation decision tree.
40  * The implementation relies heavily on functions which are fully
41  * tested in IndentHelpersTest.
42  *
43  * @version $Id: ActionStartPrevStmtPlusTest.java 3901 2006-06-30 05:28:11Z rcartwright $
44  */
45 public final class ActionStartPrevStmtPlusTest extends IndentRulesTestCase {
46   
47   public void testNoPrevStmt() throws BadLocationException JavaDoc {
48     IndentRuleAction rule1 = new ActionStartPrevStmtPlus("", true);
49     IndentRuleAction rule2 = new ActionStartPrevStmtPlus(" ", true);
50
51     _setDocText("foo();\n");
52     rule1.indentLine(_doc, 2, Indenter.OTHER);
53     assertEquals("no prev stmt, no suffix",
54                  "foo();\n",
55                  _doc.getText());
56     
57     _setDocText("foo();\n");
58     rule2.indentLine(_doc, 2, Indenter.OTHER);
59     assertEquals("no prev stmt, suffix two spaces",
60                  " foo();\n",
61                  _doc.getText());
62   }
63   
64   public void testPrevStmtPrevLine() throws BadLocationException JavaDoc {
65     IndentRuleAction rule1 = new ActionStartPrevStmtPlus("", true);
66     IndentRuleAction rule2 = new ActionStartPrevStmtPlus(" ", true);
67
68     _setDocText(" foo().\n//boo();\n/*y=x+1;\nfoo(){}*/\nbar();\nbiz();\n");
69     rule1.indentLine(_doc, 44, Indenter.OTHER);
70     assertEquals("prev stmt on prev line, no suffix",
71                  " foo().\n//boo();\n/*y=x+1;\nfoo(){}*/\nbar();\n biz();\n",
72                  _doc.getText());
73     
74     _setDocText(" foo().\n//boo();\n/*y=x+1;\nfoo(){}*/\nbar();\nbiz();\n");
75     rule2.indentLine(_doc, 44, Indenter.OTHER);
76     assertEquals("prev stmt on prev line, suffix two spaces",
77                  " foo().\n//boo();\n/*y=x+1;\nfoo(){}*/\nbar();\n biz();\n",
78                  _doc.getText());
79   }
80
81   public void testPrevStmtSeveralLinesBeforeCurrLocation() throws BadLocationException JavaDoc {
82     IndentRuleAction rule1 = new ActionStartPrevStmtPlus("", true);
83     IndentRuleAction rule2 = new ActionStartPrevStmtPlus(" ", true);
84     
85     _setDocText(" foo();\n//y=x+1;\n/*void blah {\n}*/\n ';' + blah.\n//foo\nx;\n");
86     rule1.indentLine(_doc, 56, Indenter.OTHER);
87     assertEquals("prev stmt serveral lines before, no suffix",
88                  " foo();\n//y=x+1;\n/*void blah {\n}*/\n ';' + blah.\n//foo\n x;\n",
89                  _doc.getText());
90     
91     _setDocText(" foo();\n//y=x+1;\n/*void blah {\n}*/\n ';' + blah.\n//foo\nx;\n");
92     rule2.indentLine(_doc, 56, Indenter.OTHER);
93     assertEquals("prev stmt serveral lines before, suffix two spaces",
94                  " foo();\n//y=x+1;\n/*void blah {\n}*/\n ';' + blah.\n//foo\n x;\n",
95                  _doc.getText());
96   }
97   
98   public void testColonNotDelim() throws BadLocationException JavaDoc {
99     IndentRuleAction rule = new ActionStartPrevStmtPlus("", false);
100     
101     _setDocText("test2 = x ? y :\n" + // ? and : on one line
102 " z;\n" + // unfinished ternary
103 "foo();\n"); // new stmt
104 rule.indentLine(_doc, 21, Indenter.OTHER);
105     assertEquals("Colon is not a delimiter",
106                  "test2 = x ? y :\n" + // ? and : on one line
107 " z;\n" + // unfinished ternary
108 "foo();\n",
109                  _doc.getText());
110   }
111
112
113   public void testAfterArrayAssign() throws BadLocationException JavaDoc {
114     IndentRuleAction rule = new ActionStartPrevStmtPlus("", false);
115     
116     _setDocText("a = {\n" +
117                 " b,c,d\n" +
118                 "};\n" +
119                 " a;"); // new stmt
120 //rule.indentLine(_doc, 8);
121 rule.indentLine(_doc, 17, Indenter.OTHER);
122     assertEquals("After array assignment",
123                  "a = {\n" +
124                  " b,c,d\n" +
125                  "};\n" +
126                  "a;",
127                  _doc.getText());
128   }
129   public void testAfterArrayAssignMultiSemi() throws BadLocationException JavaDoc {
130     IndentRuleAction rule = new ActionStartPrevStmtPlus("", false);
131     
132     _setDocText("a = {\n" +
133                 " b,c,d\n" +
134                 "};;;\n" +
135                 " a;"); // new stmt
136 //rule.indentLine(_doc, 8);
137 rule.indentLine(_doc, 19, Indenter.OTHER);
138     assertEquals("After array assignment multi semi colons",
139                  "a = {\n" +
140                  " b,c,d\n" +
141                  "};;;\n" +
142                  "a;",
143                  _doc.getText());
144   }
145
146   /**
147    * not currently supported
148    * currently assuming single stmt per line
149    */
150   /*
151   public void testAfterArrayAssignMultiSemiAndStmt() throws BadLocationException {
152     IndentRuleAction rule = new ActionStartPrevStmtPlus("", false);
153     
154     _setDocText("a = {\n" +
155                 " b,c,d\n" +
156                 "};b;;\n" +
157                 " a;"); // new stmt
158     //rule.indentLine(_doc, 8);
159     rule.indentLine(_doc, 20);
160     assertEquals("After array assignment multi semi colons and embedded stmt",
161                  "a = {\n" +
162                  " b,c,d\n" +
163                  "};b;;\n" +
164                  "a;",
165                  _doc.getText());
166   }
167   */
168 }
169
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