radum/isNumber.html

## isNumber.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
                    "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <title>QUnit Tests</title>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
  <script type="text/javascript" src="testrunner.js"></script>
  <link rel="stylesheet" href="testsuite.css" type="text/css" media="screen" />

  <script language="JavaScript" type="text/javascript">

  var testHelper = function(){

    var testSuite = function(){
      test("Integer Literals", function() {
	ok( isNumber("-10"), "Negative integer string");
	ok( isNumber("0"), "Zero string");
	ok( isNumber("5"), "Positive integer string");
	ok( isNumber(-16), "Negative integer number");
	ok( isNumber(0), "Zero integer number");
	ok( isNumber(32), "Positive integer number");
	ok( isNumber("040"), "Octal integer literal string");
	ok( isNumber(0144), "Octal integer literal");
	ok( isNumber("0xFF"), "Hexadecimal integer literal string");
	ok( isNumber(0xFFF), "Hexadecimal integer literal");
      });

      test("Foating-Point Literals", function(){
	ok( isNumber("-1.6"), "Negative floating point string");
	ok( isNumber("4.536"), "Positive floating point string");
	ok( isNumber(-2.6), "Negative floating point number");
	ok( isNumber(3.1415), "Positive floating point number");
	ok( isNumber(8e5), "Exponential notation");
	ok( isNumber("123e-2"), "Exponential notation string");
      });

      test("Non-Numeric values", function(){
	equals( isNumber(""), false, "Empty string");
	equals( isNumber("        "), false, "Whitespace characters string");
	equals( isNumber("\t\t"), false, "Tab characters string");
	equals( isNumber("abcdefghijklm1234567890"), false, "Alphanumeric character string");
	equals( isNumber("xabcdefx"), false, "Non-numeric character string");
	equals( isNumber(true), false, "Boolean true literal");
	equals( isNumber(false), false, "Boolean false literal");
	equals( isNumber("bcfed5.2"), false, "Number with preceding non-numeric characters");
	equals( isNumber("7.2acdgs"), false, "Number with trailling non-numeric characters");
	equals( isNumber(undefined), false, "Undefined value");
	equals( isNumber(null), false, "Null value");
	equals( isNumber(NaN), false, "NaN value");
	equals( isNumber(Infinity), false, "Infinity primitive");
	equals( isNumber(Number.POSITIVE_INFINITY), false, "Positive Infinity");
	equals( isNumber(Number.NEGATIVE_INFINITY), false, "Negative Infinity");
	equals( isNumber(new Date(2009,1,1)), false, "Date object");
	equals( isNumber(new Object()), false, "Empty object");
	equals( isNumber(function(){}), false, "Instance of a function");
      });
    }

    var functionsToTest = [
      function (n){ return !isNaN(parseFloat(n)) && isFinite(n);},
      function (n){ return !isNaN(n) && !isNaN(parseFloat(n)) ;},
      function (n){ return !isNaN((n)); },
      function (n){ return !isNaN(parseFloat(n)); },
      function (n){ return typeof(n) != "boolean" && !isNaN(n);},
      function (n){ return parseFloat(n) === Number(n);},
      function (n){ return parseInt(n) === Number(n);},
      function (n){ return !isNaN(Number(String(n)));},
      function (n){ return !isNaN(+('' + n));},
      function (n){ return (+n) == n;},
      function (n){ return n && /^-?\d+(\.\d+)?$/.test(n + '');},
      function (n){ return isFinite(Number(String(n)));},
      function (n){ return isFinite(String(n));},
      function (n){ return !isNaN(n) && !isNaN(parseFloat(n)) && isFinite(n);},
      function (n){ return parseFloat(n) == n;},
      function (n) { return (n - 0) == n && n.length > 0;},
      function (n) { return typeof n === 'number' && isFinite(n); }

    ];


    // Examines the functionsToTest array, extracts the return statement of each function
    // and fills the toTest select element.
    var fillToTestSelect = function(){
      for(var i=0; i<functionsToTest.length; i++){
	var f = functionsToTest[i].toString();
	var option = /[\s\S]*return ([\s\S]*);/.exec(f)[1];
	$("#toTest").append('<option value="'+i+'">'+ (i+1) + '. ' + option+'</option>');
      }
    }

    var performTest = function(functionNumber){
      reset(); // Reset previous test
      $("#tests").html(""); //Clean test results
      isNumber = functionsToTest[functionNumber]; // Override the isNumber global function with the one to test
      testSuite(); // Run the test

      // Get test results
      var totalFail = 0;
      var totalPass = 0;
      $("b.fail").each(function(){totalFail+=Number($(this).html());});
      $("b.pass").each(function(){totalPass+=Number($(this).html());});
      $("#testresult").html(totalFail + " of " +  (totalFail + totalPass) + " test failed.");

      $("#banner").attr("class", "").addClass(totalFail > 0 ? "fail" : "pass");
    }

    return {
      performTest: performTest,
      fillToTestSelect: fillToTestSelect,
      testSuite: testSuite
    };
  }();


  $(document).ready(function(){
    testHelper.fillToTestSelect();
    testHelper.performTest(0);

    $("#toTest").change(function(){
      testHelper.performTest($(this).children(":selected").val());
    });
  });
  </script>

</head>
<body>

 <h1>isNumber Test Cases</h1>
 <h2 id="banner"></h2>
 <h2 id="userAgent"></h2>

 <div id="currentFunction"></div>
 <div id="selectFunction">
   <label for="toTest" style="font-weight:bold; font-size:Large;">Select function to test:</label>

   <select id="toTest" name="toTest">

   </select>
 </div>
 <div id="testCode"></div>
 <ol id="tests"></ol>

 <div id="main">This page contains tests for a set of isNumber functions. To see them, take a look at the source.</div>

</body>
</html>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
	"http://www.w3.org/TR/html4/loose.dtd">
	<html>
	<head>
	<title>QUnit Tests</title>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
	<script type="text/javascript" src="testrunner.js"></script>
	<link rel="stylesheet" href="testsuite.css" type="text/css" media="screen" />

	<script language="JavaScript" type="text/javascript">

	var testHelper = function(){

	var testSuite = function(){
	test("Integer Literals", function() {
	ok( isNumber("-10"), "Negative integer string");
	ok( isNumber("0"), "Zero string");
	ok( isNumber("5"), "Positive integer string");
	ok( isNumber(-16), "Negative integer number");
	ok( isNumber(0), "Zero integer number");
	ok( isNumber(32), "Positive integer number");
	ok( isNumber("040"), "Octal integer literal string");
	ok( isNumber(0144), "Octal integer literal");
	ok( isNumber("0xFF"), "Hexadecimal integer literal string");
	ok( isNumber(0xFFF), "Hexadecimal integer literal");
	});

	test("Foating-Point Literals", function(){
	ok( isNumber("-1.6"), "Negative floating point string");
	ok( isNumber("4.536"), "Positive floating point string");
	ok( isNumber(-2.6), "Negative floating point number");
	ok( isNumber(3.1415), "Positive floating point number");
	ok( isNumber(8e5), "Exponential notation");
	ok( isNumber("123e-2"), "Exponential notation string");
	});

	test("Non-Numeric values", function(){
	equals( isNumber(""), false, "Empty string");
	equals( isNumber(" "), false, "Whitespace characters string");
	equals( isNumber("\t\t"), false, "Tab characters string");
	equals( isNumber("abcdefghijklm1234567890"), false, "Alphanumeric character string");
	equals( isNumber("xabcdefx"), false, "Non-numeric character string");
	equals( isNumber(true), false, "Boolean true literal");
	equals( isNumber(false), false, "Boolean false literal");
	equals( isNumber("bcfed5.2"), false, "Number with preceding non-numeric characters");
	equals( isNumber("7.2acdgs"), false, "Number with trailling non-numeric characters");
	equals( isNumber(undefined), false, "Undefined value");
	equals( isNumber(null), false, "Null value");
	equals( isNumber(NaN), false, "NaN value");
	equals( isNumber(Infinity), false, "Infinity primitive");
	equals( isNumber(Number.POSITIVE_INFINITY), false, "Positive Infinity");
	equals( isNumber(Number.NEGATIVE_INFINITY), false, "Negative Infinity");
	equals( isNumber(new Date(2009,1,1)), false, "Date object");
	equals( isNumber(new Object()), false, "Empty object");
	equals( isNumber(function(){}), false, "Instance of a function");
	});
	}

	var functionsToTest = [
	function (n){ return !isNaN(parseFloat(n)) && isFinite(n);},
	function (n){ return !isNaN(n) && !isNaN(parseFloat(n)) ;},
	function (n){ return !isNaN((n)); },
	function (n){ return !isNaN(parseFloat(n)); },
	function (n){ return typeof(n) != "boolean" && !isNaN(n);},
	function (n){ return parseFloat(n) === Number(n);},
	function (n){ return parseInt(n) === Number(n);},
	function (n){ return !isNaN(Number(String(n)));},
	function (n){ return !isNaN(+('' + n));},
	function (n){ return (+n) == n;},
	function (n){ return n && /^-?\d+(\.\d+)?$/.test(n + '');},
	function (n){ return isFinite(Number(String(n)));},
	function (n){ return isFinite(String(n));},
	function (n){ return !isNaN(n) && !isNaN(parseFloat(n)) && isFinite(n);},
	function (n){ return parseFloat(n) == n;},
	function (n) { return (n - 0) == n && n.length > 0;},
	function (n) { return typeof n === 'number' && isFinite(n); }

	];


	// Examines the functionsToTest array, extracts the return statement of each function
	// and fills the toTest select element.
	var fillToTestSelect = function(){
	for(var i=0; i<functionsToTest.length; i++){
	var f = functionsToTest[i].toString();
	var option = /[\s\S]return ([\s\S]);/.exec(f)[1];
	$("#toTest").append('<option value="'+i+'">'+ (i+1) + '. ' + option+'</option>');
	}
	}

	var performTest = function(functionNumber){
	reset(); // Reset previous test
	$("#tests").html(""); //Clean test results
	isNumber = functionsToTest[functionNumber]; // Override the isNumber global function with the one to test
	testSuite(); // Run the test

	// Get test results
	var totalFail = 0;
	var totalPass = 0;
	$("b.fail").each(function(){totalFail+=Number($(this).html());});
	$("b.pass").each(function(){totalPass+=Number($(this).html());});
	$("#testresult").html(totalFail + " of " + (totalFail + totalPass) + " test failed.");

	$("#banner").attr("class", "").addClass(totalFail > 0 ? "fail" : "pass");
	}

	return {
	performTest: performTest,
	fillToTestSelect: fillToTestSelect,
	testSuite: testSuite
	};
	}();


	$(document).ready(function(){
	testHelper.fillToTestSelect();
	testHelper.performTest(0);

	$("#toTest").change(function(){
	testHelper.performTest($(this).children(":selected").val());
	});
	});
	</script>

	</head>
	<body>

	<h1>isNumber Test Cases</h1>
	<h2 id="banner"></h2>
	<h2 id="userAgent"></h2>

	<div id="currentFunction"></div>
	<div id="selectFunction">
	<label for="toTest" style="font-weight:bold; font-size:Large;">Select function to test:</label>

	<select id="toTest" name="toTest">

	</select>
	</div>
	<div id="testCode"></div>
	<ol id="tests"></ol>

	<div id="main">This page contains tests for a set of isNumber functions. To see them, take a look at the source.</div>

	</body>
	</html>