xref: /aosp_15_r20/external/antlr/runtime/JavaScript/tests/functional/t001lexer.html (revision 16467b971bd3e2009fad32dd79016f2c7e421deb)
1*16467b97STreehugger Robot<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2*16467b97STreehugger Robot<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
3*16467b97STreehugger Robot<head>
4*16467b97STreehugger Robot<meta http-equiv="content-type" content="text/html;charset=utf-8" />
5*16467b97STreehugger Robot<title>t001lexer</title>
6*16467b97STreehugger Robot
7*16467b97STreehugger Robot<!-- ANTLR includes -->
8*16467b97STreehugger Robot<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
9*16467b97STreehugger Robot<script type="text/javascript" src="t001lexer.js"></script>
10*16467b97STreehugger Robot
11*16467b97STreehugger Robot<!-- JsUnit include -->
12*16467b97STreehugger Robot<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>
13*16467b97STreehugger Robot
14*16467b97STreehugger Robot<!-- Test Code -->
15*16467b97STreehugger Robot<script type="text/javascript">
16*16467b97STreehugger Robot    function TLexer() {
17*16467b97STreehugger Robot        TLexer.superclass.constructor.apply(this, arguments);
18*16467b97STreehugger Robot    }
19*16467b97STreehugger Robot    org.antlr.lang.extend(TLexer, t001lexer, {
20*16467b97STreehugger Robot        reportError: function(e) {
21*16467b97STreehugger Robot            throw e;
22*16467b97STreehugger Robot        }
23*16467b97STreehugger Robot    });
24*16467b97STreehugger Robot
25*16467b97STreehugger Robot    function testValid() {
26*16467b97STreehugger Robot        var stream = new org.antlr.runtime.ANTLRStringStream("0"),
27*16467b97STreehugger Robot            lexer = new TLexer(stream),
28*16467b97STreehugger Robot            token;
29*16467b97STreehugger Robot
30*16467b97STreehugger Robot        token = lexer.nextToken();
31*16467b97STreehugger Robot        assertEquals(token.getType(), lexer.ZERO);
32*16467b97STreehugger Robot
33*16467b97STreehugger Robot        token = lexer.nextToken();
34*16467b97STreehugger Robot        assertEquals(token.getType(), lexer.EOF);
35*16467b97STreehugger Robot    }
36*16467b97STreehugger Robot
37*16467b97STreehugger Robot    function testMalformedInput() {
38*16467b97STreehugger Robot        var stream = new org.antlr.runtime.ANTLRStringStream('1'),
39*16467b97STreehugger Robot            lexer = new TLexer(stream),
40*16467b97STreehugger Robot            token;
41*16467b97STreehugger Robot
42*16467b97STreehugger Robot        try {
43*16467b97STreehugger Robot            token = lexer.nextToken();
44*16467b97STreehugger Robot            fail("nextToken should have thrown a noviableatl on bad token.");
45*16467b97STreehugger Robot        } catch(e) {
46*16467b97STreehugger Robot            assert(e instanceof org.antlr.runtime.MismatchedTokenException);
47*16467b97STreehugger Robot            assertEquals(e.expecting, '0');
48*16467b97STreehugger Robot            assertEquals(e.getUnexpectedType(), '1');
49*16467b97STreehugger Robot        }
50*16467b97STreehugger Robot    }
51*16467b97STreehugger Robot</script>
52*16467b97STreehugger Robot
53*16467b97STreehugger Robot</head>
54*16467b97STreehugger Robot<body>
55*16467b97STreehugger Robot    <h1>t001lexer</h1>
56*16467b97STreehugger Robot</body>
57*16467b97STreehugger Robot</html>
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