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<!DOCTYPE html>
<html>
<head>
      <meta charset="utf-8">
      <title>Getting started with QUnit</title>
      <link rel="stylesheet" href="//code.jquery.com/qunit/qunit-1.14.0.css">
   </head>
   <body>
      <div id="qunit"></div>
      <div id="qunit-fixture"></div>
      <script src="//code.jquery.com/qunit/qunit-1.14.0.js"></script>
      <script>
        // Code inlined in the HTML
        // Tests here
        var App = {
    max: function () {
        var max = -Infinity;
        for (var i = 0; i < arguments.length; i++) {
            if (arguments[i] > max) {
                max = arguments[i];
            }
        }
​
        return max;
    },
    isOdd: function (number) {
        if (typeof number !== 'number') {
            throw Error('The given argument is not a number');
        }
        return number % 2 !== 0;
    },
    sortObj: function (array) {
        array.sort(function (a, b) {
            var date1 = new Date(a.timestamp).getTime();
            var date2 = new Date(b.timestamp).getTime();
​
            if (date1 < date2) {
                return -1;
            } else if (date1 === date2) {
                return 0;
            } else {
                return 1;
            }
        });
    }
};
      </script>
   </body>
</html>
 
// Code inlined in the HTML
// Tests here
​
QUnit.test('max', function (assert) {
    expect(4);
​
    assert.strictEqual(App.max(), -Infinity, 'No parameters');
    assert.strictEqual(App.max(3, 1, 2), 3, 'All positive numbers');
    assert.strictEqual(App.max(-10, 5, 3, 99), 99, 'Positive and negative numbers');
    assert.strictEqual(App.max(-14, -22, -5), -5, 'All positive numbers');
});
​
QUnit.test('isOdd', function (assert) {
    expect(5);
​
    assert.ok(App.isOdd(5), '5 is odd');
    assert.ok(!App.isOdd(2), '5 is not odd');
    assert.ok(!App.isOdd(0), '0 is not odd');
    assert.throws(function () {
        App.isOdd(null);
    },
        /The given argument is not a number/,
        'Passing null raises an Error');
    assert.throws(function () {
        App.isOdd([]);
    },
    new Error('The given argument is not a number'),
        'Passing an array raises an Error');
});
​
​
QUnit.test('sortObj', function (assert) {
    expect(3);
    var timestamp = Date.now();
​
    var array = [{
        id: 1,
        timestamp: timestamp
    }, {
        id: 3,
        timestamp: timestamp + 1000
    }, {
        id: 11,
        timestamp: timestamp - 1000
    }];
​
    App.sortObj(array);
​
    assert.propEqual(array, [{
        id: 11,
        timestamp: timestamp - 1000
    }, {
        id: 1,
        timestamp: timestamp
    }, {
        id: 3,
        timestamp: timestamp + 1000
    }]);
​
    assert.notPropEqual(App.sortObj(array), array, 'sortObj() does not return an array');
​
    assert.strictEqual(App.sortObj(array), undefined, 'sortObj() returns undefined');
});
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