Created
March 2, 2012 18:11
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Tuples, immutable groups ... but my tuples are very poor :(
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| function write(message) { | |
| document.getElementById("output").innerHTML += message + "<br />"; | |
| } | |
| function assertEquals(expected, actual) { | |
| if (expected === actual) { | |
| write("OK"); | |
| } else { | |
| var text = "expected = [" + expected.toString() | |
| + "], but actual = [" + actual.toString() + "]." | |
| write("Failure: " + text); | |
| } | |
| } | |
| function assertTrue(target) {assertEquals(true, target);} | |
| function assertFalse(target) {assertEquals(false, target);} |
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| document.write('<script type="text/javascript" src="myJsUnit.js"></script>'); | |
| function Tuple2(v1, v2) { | |
| this._ = [v1, v2]; | |
| } | |
| Tuple2.prototype = { | |
| getValue1 : function() { return this._[0]; }, | |
| getValue2 : function() { return this._[1]; } | |
| } | |
| function Tuple3(v1, v2, v3) { | |
| this._ = [v1, v2, v3]; | |
| } | |
| Tuple3.prototype = Tuple2.prototype; | |
| Tuple3.prototype['getValue3'] = function() { return this._[2]; }; | |
| function Tuple4(v1, v2, v3, v4) { | |
| this._ = [v1, v2, v3, v4]; | |
| } | |
| Tuple4.prototype = Tuple3.prototype; | |
| Tuple4.prototype['getValue4'] = function() { return this._[3]; }; | |
| function testSuite() { | |
| var tuple2 = new Tuple2(1, 2); | |
| assertEquals(1, tuple2.getValue1()); | |
| assertEquals(2, tuple2.getValue2()); | |
| var tuple3 = new Tuple3(2, 3, 4); | |
| assertEquals(2, tuple3.getValue1()); | |
| assertEquals(3, tuple3.getValue2()); | |
| assertEquals(4, tuple3.getValue3()); | |
| var tuple4 = new Tuple4(1, 2, 3, 4); | |
| assertEquals(1, tuple4.getValue1()); | |
| assertEquals(2, tuple4.getValue2()); | |
| assertEquals(3, tuple4.getValue3()); | |
| assertEquals(4, tuple4.getValue4()); | |
| } | |
| window.onload = testSuite; |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Tuple test</title> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <script type="text/javascript" src="tuple.js"></script> | |
| </head> | |
| <body> | |
| <div id="output" /> | |
| </body> | |
| </html> |
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