t006lexer.html revision 324c4644fee44b9898524c09511bd33c3f12e2df 
1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
3<head>
4<meta http-equiv="content-type" content="text/html;charset=utf-8" />
5<title>t006lexer</title>
6
7<!-- ANTLR includes -->
8<script type="text/javascript" src="/lib/antlr3-all.js"></script>
9<script type="text/javascript" src="t006lexer.js"></script>
10
11<!-- JsUnit include -->
12<script type="text/javascript" src="/jsunit/app/jsUnitCore.js"></script>
13
14<!-- Test Code -->
15<script type="text/javascript">
16    function TLexer() {
17        TLexer.superclass.constructor.apply(this, arguments);
18    }
19    org.antlr.lang.extend(TLexer, t006lexer, {
20        reportError: function(re) {
21            /* don't recover, just crash */
22            throw re;
23        }
24    });
25
26    function testValid() {
27        var stream = new org.antlr.runtime.ANTLRStringStream("fofaaooa"),
28            lexer = new TLexer(stream),
29            token;
30
31        token = lexer.nextToken();
32        assertEquals(token.getType(), lexer.FOO);
33        assertEquals(token.getStartIndex(), 0);
34        assertEquals(token.getStopIndex(), 1);
35        assertEquals(token.getText(), "fo");
36
37        token = lexer.nextToken();
38        assertEquals(token.getType(), lexer.FOO);
39        assertEquals(token.getStartIndex(), 2);
40        assertEquals(token.getStopIndex(), 7);
41        assertEquals(token.getText(), 'faaooa');
42
43        token = lexer.nextToken();
44        assertEquals(token.getType(), lexer.EOF);
45    }
46
47    function testMalformedInput() {
48        var stream = new org.antlr.runtime.ANTLRStringStream('fofoaooaoa2'),
49            lexer = new TLexer(stream),
50            token;
51
52        lexer.nextToken();
53        lexer.nextToken();
54        try {
55            token = lexer.nextToken();
56            fail("nextToken should have thrown error on invalid input");
57        } catch (e) {
58            assertEquals(e.expecting, 'f');
59            assertEquals(e.getUnexpectedType(), '2');
60            assertEquals(e.charPositionInLine, 10);
61            assertEquals(e.line, 1);
62        }
63    }
64</script>
65
66</head>
67<body>
68    <h1>t006lexer</h1>
69</body>
70