| <!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>t015calc</title> |
| |
| <!-- ANTLR includes --> |
| <script type="text/javascript" src="../../lib/antlr3-all.js"></script> |
| <script type="text/javascript" src="t015calcLexer.js"></script> |
| <script type="text/javascript" src="t015calcParser.js"></script> |
| |
| |
| <!-- JsUnit include --> |
| <script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script> |
| |
| <!-- Test Code --> |
| <script type="text/javascript"> |
| function _evaluate(expr, expected, errors) { |
| var cstream = new org.antlr.runtime.ANTLRStringStream(expr), |
| lexer = new t015calcLexer(cstream), |
| tstream = new org.antlr.runtime.CommonTokenStream(lexer), |
| parser = new t015calcParser(tstream); |
| |
| var result = parser.evaluate(); |
| assertEquals(result, expected); |
| if (!errors) { |
| assertUndefined(parser.reportedErrors); |
| } else { |
| assertEquals(parser.reportedErrors.length, errors.length); |
| } |
| } |
| |
| function testValid01() { |
| _evaluate("1 + 2", 3); |
| } |
| |
| |
| function testValid02() { |
| _evaluate("1 + 2 * 3", 7); |
| } |
| |
| |
| function testValid03() { |
| _evaluate("10 / 2", 5); |
| } |
| |
| |
| function testValid04() { |
| _evaluate("6 + 2*(3+1) - 4", 10); |
| } |
| |
| |
| function testMalformedInput() { |
| _evaluate("6 - (2*1", 4, ["mismatched token at pos 8"]); |
| } |
| |
| // FIXME: most parse errors result in TypeErrors in action code, because |
| // rules return None, which is then added/multiplied... to integers. |
| // evaluate("6 - foo 2", 4, ["some error"]) |
| </script> |
| |
| </head> |
| <body> |
| <h1>t015calc</h1> |
| </body> |
| </html> |
