Created
March 1, 2012 14:52
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FizzBuzz with TDD in Javascript
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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 fizzbuzz(number) { | |
| if (typeof(number) != "number" || | |
| number <= 0) { | |
| return "Expected positive numbers."; | |
| } | |
| if (number % 15 == 0) { | |
| return "FizzBuzz"; | |
| } else if (number % 3 == 0) { | |
| return "Fizz"; | |
| } else if (number % 5 == 0) { | |
| return "Buzz"; | |
| } else { | |
| return number.toString(); | |
| } | |
| } | |
| function test_fizzbuzz() { | |
| assertEquals("1", fizzbuzz(1)); | |
| assertEquals("2", fizzbuzz(2)); | |
| assertEquals("Fizz", fizzbuzz(3)); | |
| assertEquals("Buzz", fizzbuzz(5)); | |
| assertEquals("Fizz", fizzbuzz(6)); | |
| assertEquals("Buzz", fizzbuzz(10)); | |
| assertEquals("FizzBuzz", fizzbuzz(15)); | |
| assertEquals("Expected positive numbers.", fizzbuzz(0)); | |
| assertEquals("Expected positive numbers.", fizzbuzz("1")); | |
| } | |
| function testSuite() { | |
| test_fizzbuzz(); | |
| } | |
| window.onload = testSuite; |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>FizzBuzz with TDD in Javascript</title> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <script type="text/javascript" src="myJsUnit.js"></script> | |
| </head> | |
| <body> | |
| <div id="output" /> | |
| </body> | |
| </html> |
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