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036:
037: package edu.rice.cs.drjava.model.definitions.indent;
038:
039: import javax.swing.text.BadLocationException;
040:
041: /**
042: * Tests the question rule which determines if the current line
043: * is starting a new statement.
044: *
045: * @version $Id: QuestionStartingNewStmtTest.java 4255 2007-08-28 19:17:37Z mgricken $
046: */
047: public final class QuestionStartingNewStmtTest extends
048: IndentRulesTestCase {
049:
050: /**
051: * Ensures that the current line is the first line of a statement.
052: * This is done by testing if the previous character is one of
053: * the following: docstart, ';', '{', '}'
054: * These characters are here-on refered to as 'end-characters'.
055: */
056: public void testStartOfStmtCheckForEndCharacters()
057: throws BadLocationException {
058: IndentRuleQuestion rule = new QuestionStartingNewStmt(null,
059: null);
060:
061: // Starting new stmt, prev char docstart
062: _setDocText("import java.util.Vector;\n");
063: _doc.setCurrentLocation(4);
064: assertTrue("starting new stmt, prev char docstart", rule
065: .applyRule(_doc, Indenter.IndentReason.OTHER));
066:
067: // Starting new stmt, prev char ';'
068: _setDocText("foo();\nbar();\n");
069: _doc.setCurrentLocation(7);
070: assertTrue("starting new stmt, prev char ';'", rule.applyRule(
071: _doc, Indenter.IndentReason.OTHER));
072:
073: // Starting new stmt, prev char '{'
074: _setDocText("public void foo() {\nfoo()\n");
075: _doc.setCurrentLocation(20);
076: assertTrue("starting new stmt, prev char '{'", rule.applyRule(
077: _doc, Indenter.IndentReason.OTHER));
078:
079: // Starting new stmt, prev char '}'
080: _setDocText("x();\n}\nfoo()\n");
081: _doc.setCurrentLocation(7);
082: assertTrue("starting new stmt, prev char '}'", rule.applyRule(
083: _doc, Indenter.IndentReason.OTHER));
084: }
085:
086: /**
087: * Ensures that the current line is the first line of a statement.
088: * Tests that whitespace, single-line and multi-line comments
089: * are ignored when searching for the end-characters.
090: */
091: public void testStartOfStmtIgnoreWhiteSpaceAndCommentsInBetween()
092: throws BadLocationException {
093: IndentRuleQuestion rule = new QuestionStartingNewStmt(null,
094: null);
095:
096: // Starting new stmt, ignore whitespace in between
097: _setDocText("bar();\n\t \n foo();");
098: _doc.setCurrentLocation(12);
099: assertTrue("starting new stmt, ignore whitespace in between",
100: rule.applyRule(_doc, Indenter.IndentReason.OTHER));
101:
102: // Starting new stmt, ignore single line comments
103: _setDocText("} // note:\n//please ignore me\nfoo();\n");
104: _doc.setCurrentLocation(30);
105: assertTrue("starting new stmt, ignore single line comments",
106: rule.applyRule(_doc, Indenter.IndentReason.OTHER));
107:
108: // Starting new stmt, ignore multi-line comments
109: _setDocText("{ /* in a comment\nstill in a comment\ndone */\nfoo();");
110: _doc.setCurrentLocation(45);
111: assertTrue("starting new stmt, ignore multi-line comments",
112: rule.applyRule(_doc, Indenter.IndentReason.OTHER));
113:
114: _setDocText("bar();\n/* blah */ foo();\n");
115: _doc.setCurrentLocation(18);
116: assertTrue(
117: "starting new stmt, ignore multi-line comment on same "
118: + "line as new stmt", rule.applyRule(_doc,
119: Indenter.IndentReason.OTHER));
120:
121: _setDocText("method foo() {\n" + "}\n" + " ");
122: _doc.setCurrentLocation(17);
123: assertTrue("Blank line with no non-WS after", rule.applyRule(
124: _doc, Indenter.IndentReason.OTHER));
125:
126: _setDocText("method foo() {\n" + "}\n" + " \n"
127: + "// comment");
128: _doc.setCurrentLocation(17);
129: assertTrue("Blank line with comments after, but no non-WS",
130: rule.applyRule(_doc, Indenter.IndentReason.OTHER));
131: }
132:
133: /**
134: * Ensures that the current line is the first line of a statement.
135: * Tests that end characters in single-line comments, multi-line
136: * comments or quotes are ignored.
137: */
138: public void testNotStartOfStmtDueToEndCharactersInCommentsOrQuotes()
139: throws BadLocationException {
140: IndentRuleQuestion rule = new QuestionStartingNewStmt(null,
141: null);
142:
143: // Not starting new stmt, ignore end chars in quotes
144: _setDocText("x = bar + \";\" + \"}\" + \"{\"\n+ foo;\n");
145: _doc.setCurrentLocation(26);
146: assertTrue("not starting new stmt, ignore end chars in quotes",
147: !rule.applyRule(_doc, Indenter.IndentReason.OTHER));
148:
149: // Not starting new stmt, ignore end chars in single-line comments
150: _setDocText("x = bar.//;{}\nfoo();\n");
151: _doc.setCurrentLocation(14);
152: assertTrue(
153: "not starting new stmt, ignore end chars in single-line comments",
154: !rule.applyRule(_doc, Indenter.IndentReason.OTHER));
155:
156: // Not starting new stmt, ignore end chars in multi-line comments
157: _setDocText("x = bar./*;\n{\n}\n*/\nfoo();\n");
158: _doc.setCurrentLocation(19);
159: assertTrue(
160: "not starting new stmt, ignore end chars in multi-line comments",
161: !rule.applyRule(_doc, Indenter.IndentReason.OTHER));
162: }
163: }
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