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