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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<title>t004lexer</title>
<!-- ANTLR includes -->
<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
<script type="text/javascript" src="t004lexer.js"></script>
<!-- JsUnit include -->
<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>
<!-- Test Code -->
<script type="text/javascript">
function TLexer() {
TLexer.superclass.constructor.apply(this, arguments);
}
org.antlr.lang.extend(TLexer, t004lexer, {
reportError: function(re) {
/* don't recover, just crash */
throw re;
}
});
function testValid() {
var stream = new org.antlr.runtime.ANTLRStringStream("ffofoofooo"),
lexer = new TLexer(stream),
token;
token = lexer.nextToken();
assertEquals(token.getType(), lexer.FOO);
assertEquals(token.getStartIndex(), 0);
assertEquals(token.getStopIndex(), 0);
assertEquals(token.getText(), "f");
token = lexer.nextToken();
assertEquals(token.getType(), lexer.FOO);
assertEquals(token.getStartIndex(), 1);
assertEquals(token.getStopIndex(), 2);
assertEquals(token.getText(), 'fo');
token = lexer.nextToken();
assertEquals(token.getType(), lexer.FOO);
assertEquals(token.getStartIndex(), 3);
assertEquals(token.getStopIndex(), 5);
assertEquals(token.getText(), 'foo');
token = lexer.nextToken();
assertEquals(token.getType(), lexer.FOO);
assertEquals(token.getStartIndex(), 6);
assertEquals(token.getStopIndex(), 9);
assertEquals(token.getText(), 'fooo');
token = lexer.nextToken();
assertEquals(token.getType(), lexer.EOF);
}
function testMalformedInput() {
var stream = new org.antlr.runtime.ANTLRStringStream('2'),
lexer = new TLexer(stream),
token;
try {
token = lexer.nextToken();
fail("nextToken should have thrown error on invalid input");
} catch (e) {
assertEquals(e.expecting, 'f');
assertEquals(e.getUnexpectedType(), '2');
}
}
</script>
</head>
<body>
<h1>t004lexer</h1>
</body>
</html>
|
