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76 lines
2.4 KiB
76 lines
2.4 KiB
4 months ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html;charset=utf-8" />
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<title>t009lexer</title>
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<!-- ANTLR includes -->
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<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
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<script type="text/javascript" src="t009lexer.js"></script>
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<!-- JsUnit include -->
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<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>
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<!-- Test Code -->
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<script type="text/javascript">
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function TLexer() {
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TLexer.superclass.constructor.apply(this, arguments);
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}
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org.antlr.lang.extend(TLexer, t009lexer, {
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reportError: function(re) {
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/* don't recover, just crash */
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throw re;
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}
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});
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function testValid() {
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var stream = new org.antlr.runtime.ANTLRStringStream("085"),
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lexer = new TLexer(stream),
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token;
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token = lexer.nextToken();
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assertEquals(token.getType(), lexer.DIGIT);
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assertEquals(token.getStartIndex(), 0);
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assertEquals(token.getStopIndex(), 0);
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assertEquals(token.getText(), "0");
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token = lexer.nextToken();
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assertEquals(token.getType(), lexer.DIGIT);
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assertEquals(token.getStartIndex(), 1);
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assertEquals(token.getStopIndex(), 1);
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assertEquals(token.getText(), '8');
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token = lexer.nextToken();
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assertEquals(token.getType(), lexer.DIGIT);
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assertEquals(token.getStartIndex(), 2);
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assertEquals(token.getStopIndex(), 2);
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assertEquals(token.getText(), '5');
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token = lexer.nextToken();
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assertEquals(token.getType(), lexer.EOF);
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}
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function testMalformedInput() {
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var stream = new org.antlr.runtime.ANTLRStringStream('2a'),
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lexer = new TLexer(stream),
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token;
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lexer.nextToken();
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try {
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token = lexer.nextToken();
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fail("nextToken should have thrown error on invalid input");
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} catch (e) {
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assertEquals(e.a, '0');
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assertEquals(e.b, '9');
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assertEquals(e.getUnexpectedType(), 'a');
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assertEquals(e.charPositionInLine, 1);
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assertEquals(e.line, 1);
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}
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}
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</script>
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</head>
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<body>
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<h1>t009lexer</h1>
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</body>
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