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+describe('Smooth Scroll', function () {
+
+	//
+	// Helper Methods
+	//
+
+	/**
+	* Create a link element, add it to the body.
+	* @public
+	* @param {String} the href attribute of the new link
+	* @param {Boolean} whether to add data-scroll to the link or not
+	* @returns {Element}
+	*/
+	var injectElem = function (href, smooth) {
+		var elt = document.createElement('a');
+		elt.href = href;
+		if (smooth) {
+			elt.setAttribute('data-scroll', true);
+		}
+		document.body.appendChild(elt);
+		return elt;
+	};
+
+	/**
+	* Simulate a click event.
+	* @public
+	* @param {Element} the element to simulate a click on
+	*/
+	var simulateClick = function (elt) {
+		var click = document.createEvent('MouseEvents');
+		click.initMouseEvent('click', true, true, window, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
+		elt.dispatchEvent(click);
+	};
+
+	// A pattern for settings to validate their format.
+	var settingsStub = {
+		speed: jasmine.any(Number),
+		easing: jasmine.any(String),
+		offset: jasmine.any(Number),
+		updateURL: jasmine.any(Boolean),
+		callback: jasmine.any(Function)
+	};
+
+
+	//
+	// Init
+	//
+
+	describe('Should initialize plugin', function () {
+		it('Should export the smoothScroll module', function () {
+			expect(smoothScroll).toBeDefined();
+		});
+
+		it('Should expose public functions', function () {
+			expect(smoothScroll.init).toEqual(jasmine.any(Function));
+			expect(smoothScroll.destroy).toEqual(jasmine.any(Function));
+			expect(smoothScroll.animateScroll).toEqual(jasmine.any(Function));
+		});
+
+		it('Should add event listeners', function () {
+			spyOn(document, 'addEventListener');
+			smoothScroll.init();
+			expect(document.addEventListener).toHaveBeenCalledWith('click', jasmine.any(Function), false);
+
+			spyOn(document, 'removeEventListener');
+			smoothScroll.destroy();
+			expect(document.removeEventListener).toHaveBeenCalledWith('click', jasmine.any(Function), false);
+		});
+	});
+
+
+	//
+	// Events
+	//
+
+	describe('Should animate scroll when anchor clicked', function () {
+		var elt = injectElem('#anchor', true);
+		document.body.setAttribute('id', 'anchor');
+
+		afterEach(function () {
+			smoothScroll.destroy();
+		});
+
+		it('Should trigger smooth scrolling on click', function () {
+			spyOn(smoothScroll, 'animateScroll');
+			smoothScroll.init();
+			simulateClick(elt);
+			expect(smoothScroll.animateScroll).toHaveBeenCalledWith(elt, '#anchor', jasmine.objectContaining(settingsStub));
+		});
+
+		it('Should do nothing if not initialized', function () {
+			spyOn(smoothScroll, 'animateScroll');
+			simulateClick(elt);
+			expect(smoothScroll.animateScroll).not.toHaveBeenCalled();
+		});
+
+		it('Should do nothing if destroyed', function () {
+			spyOn(smoothScroll, 'animateScroll');
+			smoothScroll.init();
+			smoothScroll.destroy();
+			simulateClick(elt);
+			expect(smoothScroll.animateScroll).not.toHaveBeenCalled();
+		});
+	});
+
+	describe('Should run callbacks', function () {
+		var elt = injectElem('#anchor', true);
+		document.body.setAttribute('id', 'anchor');
+
+		// Generates a callback to test asynchronous calls.
+		var callback = function (eltVal, anchorVal, done) {
+			return function (toggle, anchor) {
+				expect(toggle).toBe(eltVal);
+				expect(anchor).toBe(anchorVal);
+				done();
+			};
+		};
+
+		afterEach(function () {
+			smoothScroll.destroy();
+		});
+
+		it('Should run callback', function (done) {
+			var settings = {
+				callback: callback(elt, '#anchor', done)
+			};
+			smoothScroll.init(settings);
+			simulateClick(elt);
+		});
+	});
+});