| <!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> |
