t005lexer.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>t005lexer</title>
6
7<!-- ANTLR includes -->
8<script type="text/javascript" src="/lib/antlr3-all.js"></script>
9<script type="text/javascript" src="t005lexer.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, t005lexer, {
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("fofoofooo"),
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(), 4);
41        assertEquals(token.getText(), 'foo');
42
43        token = lexer.nextToken();
44        assertEquals(token.getType(), lexer.FOO);
45        assertEquals(token.getStartIndex(), 5);
46        assertEquals(token.getStopIndex(), 8);
47        assertEquals(token.getText(), 'fooo');
48
49        token = lexer.nextToken();
50        assertEquals(token.getType(), lexer.EOF);
51    }
52
53    function testMalformedInput1() {
54        var stream = new org.antlr.runtime.ANTLRStringStream('2'),
55            lexer = new TLexer(stream),
56            token;
57
58        try {
59            token = lexer.nextToken();
60            fail("nextToken should have thrown error on invalid input");
61        } catch (e) {
62            assertEquals(e.expecting, 'f');
63            assertEquals(e.getUnexpectedType(), '2');
64        }
65    }
66
67    function testMalformedInput2() {
68        var stream = new org.antlr.runtime.ANTLRStringStream('f'),
69            lexer = new TLexer(stream),
70            token;
71
72        try {
73            token = lexer.nextToken();
74            fail("nextToken should have thrown error on invalid input");
75        } catch (e) {
76            assertEquals(e.getUnexpectedType(), lexer.EOF);
77        }
78    }
79</script>
80
81</head>
82<body>
83    <h1>t005lexer</h1>
84</body>
85</html>
86