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<title>t007lexer</title>

<!-- ANTLR includes -->
<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
<script type="text/javascript" src="t007lexer.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, t007lexer, {
        reportError: function(re) {
            /* don't recover, just crash */
            throw re;
        }
    });

    function testValid() {
        var stream = new org.antlr.runtime.ANTLRStringStream("fofababbooabb"),
            lexer = new TLexer(stream),
            token;

        token = lexer.nextToken();
        assertEquals(token.getType(), lexer.FOO);
        assertEquals(token.getStartIndex(), 0);
        assertEquals(token.getStopIndex(), 1);
        assertEquals(token.getText(), "fo");

        token = lexer.nextToken();
        assertEquals(token.getType(), lexer.FOO);
        assertEquals(token.getStartIndex(), 2);
        assertEquals(token.getStopIndex(), 12);
        assertEquals(token.getText(), 'fababbooabb');

        token = lexer.nextToken();
        assertEquals(token.getType(), lexer.EOF);
    }

    function testMalformedInput() {
        var stream = new org.antlr.runtime.ANTLRStringStream('foaboao'),
            lexer = new TLexer(stream),
            token;

        try {
            token = lexer.nextToken();
            fail("nextToken should have thrown error on invalid input");
        } catch (e) {
            assertEquals(e.getUnexpectedType(), 'o');
            assertEquals(e.charPositionInLine, 6);
            assertEquals(e.line, 1);
        }
    }
</script>

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<body>
    <h1>t007lexer</h1>
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