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public/bower_components/seiyria-bootstrap-slider/test/specs/LogarithmicScaleSpec.js

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+
+/*
+	*************************
+
+	Logarithmic Scale Tests
+
+	*************************
+
+*/
+describe("Slider with logarithmic scale tests", function() {
+
+	var testSlider;
+
+	it("Should properly position the slider", function() {
+		testSlider = $("#testSlider1").slider({
+			min: 0,
+			max: 10000,
+			scale: 'logarithmic',
+			value: 100 // This should be at 50%
+		});
+
+		var expectedPostition = 210 / 2 + 'px';
+
+		var handle = $("#testSlider1").siblings('div.slider').find('.min-slider-handle');
+		expect(handle.css('left')).toBe(expectedPostition);
+	});
+
+	it("Should properly position the tick marks", function() {
+		testSlider = $("#testSlider1").slider({
+			min: 0,
+			max: 100,
+			scale: 'logarithmic',
+			ticks: [0,10,20,50,100]
+		});
+
+		// Position expected for the '10' tick
+		var expectedTickOnePosition = 210 / 2 + 'px'; //should be at 50%
+		
+		var handle = $("#testSlider1").siblings('div.slider').find(".slider-tick").eq(1);
+		expect(handle.css('left')).toBe(expectedTickOnePosition);
+	});
+
+	it("Should use step size when navigating the keyboard", function() {
+		testSlider = $("#testSlider1").slider({
+			min: 0,
+			max: 10000,
+			scale: 'logarithmic',
+			value: 100,
+			step: 5
+		});
+
+		// Focus on handle1
+		var handle1 = $("#testSlider1").siblings('div.slider:first').find('.slider-handle');
+		handle1.focus();
+
+		// Create keyboard event
+		var keyboardEvent = document.createEvent("Events");
+		keyboardEvent.initEvent("keydown", true, true);
+
+		var keyPresses = 0;
+		handle1.on("keydown", function() {
+			keyPresses++;
+			var value = $("#testSlider1").slider('getValue');
+			expect(value).toBe(100 + keyPresses*5);
+		});
+
+		keyboardEvent.keyCode = keyboardEvent.which = 39; // RIGHT
+		for (var i = 0; i < 5; i++) {
+			handle1[0].dispatchEvent(keyboardEvent);
+		}
+	});
+
+	it("Step size should be honored with mouse movements", function() {
+		testSlider = $("#testSlider1").slider({
+			min: 50,
+			max: 10000,
+			scale: 'logarithmic',
+			value: 100,
+			step: 100
+		});
+		var mouse = document.createEvent('MouseEvents');
+		var dataSlider = testSlider.data('slider');
+		var pos = (dataSlider.sliderElem[dataSlider.sizePos] / 2 +
+				   dataSlider._state.offset[dataSlider.stylePos]);
+		mouse.initMouseEvent(
+			'mousedown', true, true, window, 1, pos,
+			dataSlider._state.offset['top'], pos, dataSlider._state.offset['top'],
+			false, false, false, false, 0, null);
+		dataSlider._mousedown(mouse);
+		/* Precise center value would have be 707.  It should be rounded to
+		 * 750. */
+		expect(testSlider.slider('getValue')).toBe(750);
+	});
+
+	afterEach(function() {
+	    if(testSlider) {
+	      testSlider.slider('destroy');
+	      testSlider = null;
+	    }
+  	});
+});