text: // Test the polar area controller
  describe('Radar controllers tests', function () {
  	it('Should be constructed', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: []
  				}],
  				labels: []
  			}
  		});
  
  		var meta = chart.getDatasetMeta(0);
  		expect(meta.type).toBe('radar');
  		expect(meta.controller).not.toBe(undefined);
  		expect(meta.controller.index).toBe(0);
  		expect(meta.data).toEqual([]);
  
  		meta.controller.updateIndex(1);
  		expect(meta.controller.index).toBe(1);
  	});
  
  	it('Should create arc elements for each data item during initialization', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: [10, 15, 0, 4]
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			}
  		});
  
  		var meta = chart.getDatasetMeta(0);
  		expect(meta.dataset instanceof Chart.elements.Line).toBe(true); // line element
  		expect(meta.data.length).toBe(4); // 4 points created
  		expect(meta.data[0] instanceof Chart.elements.Point).toBe(true);
  		expect(meta.data[1] instanceof Chart.elements.Point).toBe(true);
  		expect(meta.data[2] instanceof Chart.elements.Point).toBe(true);
  		expect(meta.data[3] instanceof Chart.elements.Point).toBe(true);
  	});
  
  	it('should draw all elements', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: [10, 15, 0, 4]
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			}
  		});
  
  		var meta = chart.getDatasetMeta(0);
  
  		spyOn(meta.dataset, 'draw');
  		spyOn(meta.data[0], 'draw');
  		spyOn(meta.data[1], 'draw');
  		spyOn(meta.data[2], 'draw');
  		spyOn(meta.data[3], 'draw');
  
  		chart.update();
  
  		expect(meta.dataset.draw.calls.count()).toBe(1);
  		expect(meta.data[0].draw.calls.count()).toBe(1);
  		expect(meta.data[1].draw.calls.count()).toBe(1);
  		expect(meta.data[2].draw.calls.count()).toBe(1);
  		expect(meta.data[3].draw.calls.count()).toBe(1);
  	});
  
  	it('should update elements', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: [10, 15, 0, 4]
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				showLines: true,
  				elements: {
  					line: {
  						backgroundColor: 'rgb(255, 0, 0)',
  						borderCapStyle: 'round',
  						borderColor: 'rgb(0, 255, 0)',
  						borderDash: [],
  						borderDashOffset: 0.1,
  						borderJoinStyle: 'bevel',
  						borderWidth: 1.2,
  						fill: true,
  						tension: 0.1,
  					},
  					point: {
  						backgroundColor: Chart.defaults.global.defaultColor,
  						borderWidth: 1,
  						borderColor: Chart.defaults.global.defaultColor,
  						hitRadius: 1,
  						hoverRadius: 4,
  						hoverBorderWidth: 1,
  						radius: 3,
  						pointStyle: 'circle'
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(0);
  
  		meta.controller.reset(); // reset first
  
  		// Line element
  		expect(meta.dataset._model).toEqual(jasmine.objectContaining({
  			backgroundColor: 'rgb(255, 0, 0)',
  			borderCapStyle: 'round',
  			borderColor: 'rgb(0, 255, 0)',
  			borderDash: [],
  			borderDashOffset: 0.1,
  			borderJoinStyle: 'bevel',
  			borderWidth: 1.2,
  			fill: true,
  			tension: 0.1,
  		}));
  
  		[
  			{x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
  			{x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
  			{x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
  			{x: 256, y: 272, cppx: 256, cppy: 272, cpnx: 256, cpny: 272},
  		].forEach(function(expected, i) {
  			expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
  			expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
  			expect(meta.data[i]._model.controlPointPreviousX).toBeCloseToPixel(expected.cppx);
  			expect(meta.data[i]._model.controlPointPreviousY).toBeCloseToPixel(expected.cppy);
  			expect(meta.data[i]._model.controlPointNextX).toBeCloseToPixel(expected.cpnx);
  			expect(meta.data[i]._model.controlPointNextY).toBeCloseToPixel(expected.cpny);
  			expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
  				backgroundColor: Chart.defaults.global.defaultColor,
  				borderWidth: 1,
  				borderColor: Chart.defaults.global.defaultColor,
  				hitRadius: 1,
  				radius: 3,
  				pointStyle: 'circle',
  				skip: false,
  				tension: 0.1,
  			}));
  		});
  
  		// Now update controllers and ensure proper updates
  		meta.controller.update();
  
  		[
  			{x: 256, y: 133, cppx: 246, cppy: 133, cpnx: 272, cpny: 133},
  			{x: 464, y: 272, cppx: 464, cppy: 264, cpnx: 464, cpny: 278},
  			{x: 256, y: 272, cppx: 276.9, cppy: 272, cpnx: 250.4, cpny: 272},
  			{x: 200, y: 272, cppx: 200, cppy: 275, cpnx: 200, cpny: 261},
  		].forEach(function(expected, i) {
  			expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
  			expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
  			expect(meta.data[i]._model.controlPointPreviousX).toBeCloseToPixel(expected.cppx);
  			expect(meta.data[i]._model.controlPointPreviousY).toBeCloseToPixel(expected.cppy);
  			expect(meta.data[i]._model.controlPointNextX).toBeCloseToPixel(expected.cpnx);
  			expect(meta.data[i]._model.controlPointNextY).toBeCloseToPixel(expected.cpny);
  			expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
  				backgroundColor: Chart.defaults.global.defaultColor,
  				borderWidth: 1,
  				borderColor: Chart.defaults.global.defaultColor,
  				hitRadius: 1,
  				radius: 3,
  				pointStyle: 'circle',
  				skip: false,
  				tension: 0.1,
  			}));
  		});
  
  		// Use dataset level styles for lines & points
  		chart.data.datasets[0].lineTension = 0;
  		chart.data.datasets[0].backgroundColor = 'rgb(98, 98, 98)';
  		chart.data.datasets[0].borderColor = 'rgb(8, 8, 8)';
  		chart.data.datasets[0].borderWidth = 0.55;
  		chart.data.datasets[0].borderCapStyle = 'butt';
  		chart.data.datasets[0].borderDash = [2, 3];
  		chart.data.datasets[0].borderDashOffset = 7;
  		chart.data.datasets[0].borderJoinStyle = 'miter';
  		chart.data.datasets[0].fill = false;
  
  		// point styles
  		chart.data.datasets[0].pointRadius = 22;
  		chart.data.datasets[0].hitRadius = 3.3;
  		chart.data.datasets[0].pointBackgroundColor = 'rgb(128, 129, 130)';
  		chart.data.datasets[0].pointBorderColor = 'rgb(56, 57, 58)';
  		chart.data.datasets[0].pointBorderWidth = 1.123;
  
  		meta.controller.update();
  
  		expect(meta.dataset._model).toEqual(jasmine.objectContaining({
  			backgroundColor: 'rgb(98, 98, 98)',
  			borderCapStyle: 'butt',
  			borderColor: 'rgb(8, 8, 8)',
  			borderDash: [2, 3],
  			borderDashOffset: 7,
  			borderJoinStyle: 'miter',
  			borderWidth: 0.55,
  			fill: false,
  			tension: 0,
  		}));
  
  		// Since tension is now 0, we don't care about the control points
  		[
  			{x: 256, y: 133},
  			{x: 464, y: 272},
  			{x: 256, y: 272},
  			{x: 200, y: 272},
  		].forEach(function(expected, i) {
  			expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
  			expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
  			expect(meta.data[i]._model).toEqual(jasmine.objectContaining({
  				backgroundColor: 'rgb(128, 129, 130)',
  				borderWidth: 1.123,
  				borderColor: 'rgb(56, 57, 58)',
  				hitRadius: 3.3,
  				radius: 22,
  				pointStyle: 'circle',
  				skip: false,
  				tension: 0,
  			}));
  		});
  
  
  		// Use custom styles for lines & first point
  		meta.dataset.custom = {
  			tension: 0.25,
  			backgroundColor: 'rgb(55, 55, 54)',
  			borderColor: 'rgb(8, 7, 6)',
  			borderWidth: 0.3,
  			borderCapStyle: 'square',
  			borderDash: [4, 3],
  			borderDashOffset: 4.4,
  			borderJoinStyle: 'round',
  			fill: true,
  		};
  
  		// point styles
  		meta.data[0].custom = {
  			radius: 2.2,
  			backgroundColor: 'rgb(0, 1, 3)',
  			borderColor: 'rgb(4, 6, 8)',
  			borderWidth: 0.787,
  			tension: 0.15,
  			skip: true,
  			hitRadius: 5,
  		};
  
  		meta.controller.update();
  
  		expect(meta.dataset._model).toEqual(jasmine.objectContaining({
  			backgroundColor: 'rgb(55, 55, 54)',
  			borderCapStyle: 'square',
  			borderColor: 'rgb(8, 7, 6)',
  			borderDash: [4, 3],
  			borderDashOffset: 4.4,
  			borderJoinStyle: 'round',
  			borderWidth: 0.3,
  			fill: true,
  			tension: 0.25,
  		}));
  
  		expect(meta.data[0]._model.x).toBeCloseToPixel(256);
  		expect(meta.data[0]._model.y).toBeCloseToPixel(133);
  		expect(meta.data[0]._model.controlPointPreviousX).toBeCloseToPixel(241);
  		expect(meta.data[0]._model.controlPointPreviousY).toBeCloseToPixel(133);
  		expect(meta.data[0]._model.controlPointNextX).toBeCloseToPixel(281);
  		expect(meta.data[0]._model.controlPointNextY).toBeCloseToPixel(133);
  		expect(meta.data[0]._model).toEqual(jasmine.objectContaining({
  			radius: 2.2,
  			backgroundColor: 'rgb(0, 1, 3)',
  			borderColor: 'rgb(4, 6, 8)',
  			borderWidth: 0.787,
  			tension: 0.15,
  			skip: true,
  			hitRadius: 5,
  		}));
  	});
  
  	it('should set point hover styles', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: [10, 15, 0, 4]
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				showLines: true,
  				elements: {
  					line: {
  						backgroundColor: 'rgb(255, 0, 0)',
  						borderCapStyle: 'round',
  						borderColor: 'rgb(0, 255, 0)',
  						borderDash: [],
  						borderDashOffset: 0.1,
  						borderJoinStyle: 'bevel',
  						borderWidth: 1.2,
  						fill: true,
  						skipNull: true,
  						tension: 0.1,
  					},
  					point: {
  						backgroundColor: 'rgb(255, 255, 0)',
  						borderWidth: 1,
  						borderColor: 'rgb(255, 255, 255)',
  						hitRadius: 1,
  						hoverRadius: 4,
  						hoverBorderWidth: 1,
  						radius: 3,
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(0);
  
  		meta.controller.update(); // reset first
  
  		var point = meta.data[0];
  
  		meta.controller.setHoverStyle(point);
  		expect(point._model.backgroundColor).toBe('rgb(229, 230, 0)');
  		expect(point._model.borderColor).toBe('rgb(230, 230, 230)');
  		expect(point._model.borderWidth).toBe(1);
  		expect(point._model.radius).toBe(4);
  
  		// Can set hover style per dataset
  		chart.data.datasets[0].pointHoverRadius = 3.3;
  		chart.data.datasets[0].pointHoverBackgroundColor = 'rgb(77, 79, 81)';
  		chart.data.datasets[0].pointHoverBorderColor = 'rgb(123, 125, 127)';
  		chart.data.datasets[0].pointHoverBorderWidth = 2.1;
  
  		meta.controller.setHoverStyle(point);
  		expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
  		expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
  		expect(point._model.borderWidth).toBe(2.1);
  		expect(point._model.radius).toBe(3.3);
  
  		// Custom style
  		point.custom = {
  			hoverRadius: 4.4,
  			hoverBorderWidth: 5.5,
  			hoverBackgroundColor: 'rgb(0, 0, 0)',
  			hoverBorderColor: 'rgb(10, 10, 10)'
  		};
  
  		meta.controller.setHoverStyle(point);
  		expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
  		expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
  		expect(point._model.borderWidth).toBe(5.5);
  		expect(point._model.radius).toBe(4.4);
  	});
  
  
  	it('should remove hover styles', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: [10, 15, 0, 4]
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				showLines: true,
  				elements: {
  					line: {
  						backgroundColor: 'rgb(255, 0, 0)',
  						borderCapStyle: 'round',
  						borderColor: 'rgb(0, 255, 0)',
  						borderDash: [],
  						borderDashOffset: 0.1,
  						borderJoinStyle: 'bevel',
  						borderWidth: 1.2,
  						fill: true,
  						skipNull: true,
  						tension: 0.1,
  					},
  					point: {
  						backgroundColor: 'rgb(255, 255, 0)',
  						borderWidth: 1,
  						borderColor: 'rgb(255, 255, 255)',
  						hitRadius: 1,
  						hoverRadius: 4,
  						hoverBorderWidth: 1,
  						radius: 3,
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(0);
  
  		meta.controller.update(); // reset first
  
  		var point = meta.data[0];
  
  		chart.options.elements.point.backgroundColor = 'rgb(45, 46, 47)';
  		chart.options.elements.point.borderColor = 'rgb(50, 51, 52)';
  		chart.options.elements.point.borderWidth = 10.1;
  		chart.options.elements.point.radius = 1.01;
  
  		meta.controller.removeHoverStyle(point);
  		expect(point._model.backgroundColor).toBe('rgb(45, 46, 47)');
  		expect(point._model.borderColor).toBe('rgb(50, 51, 52)');
  		expect(point._model.borderWidth).toBe(10.1);
  		expect(point._model.radius).toBe(1.01);
  
  		// Can set hover style per dataset
  		chart.data.datasets[0].pointRadius = 3.3;
  		chart.data.datasets[0].pointBackgroundColor = 'rgb(77, 79, 81)';
  		chart.data.datasets[0].pointBorderColor = 'rgb(123, 125, 127)';
  		chart.data.datasets[0].pointBorderWidth = 2.1;
  
  		meta.controller.removeHoverStyle(point);
  		expect(point._model.backgroundColor).toBe('rgb(77, 79, 81)');
  		expect(point._model.borderColor).toBe('rgb(123, 125, 127)');
  		expect(point._model.borderWidth).toBe(2.1);
  		expect(point._model.radius).toBe(3.3);
  
  		// Custom style
  		point.custom = {
  			radius: 4.4,
  			borderWidth: 5.5,
  			backgroundColor: 'rgb(0, 0, 0)',
  			borderColor: 'rgb(10, 10, 10)'
  		};
  
  		meta.controller.removeHoverStyle(point);
  		expect(point._model.backgroundColor).toBe('rgb(0, 0, 0)');
  		expect(point._model.borderColor).toBe('rgb(10, 10, 10)');
  		expect(point._model.borderWidth).toBe(5.5);
  		expect(point._model.radius).toBe(4.4);
  	});
  
  	it('should allow pointBorderWidth to be set to 0', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: [10, 15, 0, 4],
  					pointBorderWidth: 0
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			}
  		});
  
  		var meta = chart.getDatasetMeta(0);
  		var point = meta.data[0];
  		expect(point._model.borderWidth).toBe(0);
  	});
  
  	it('should use the pointRadius setting over the radius setting', function() {
  		var chart = window.acquireChart({
  			type: 'radar',
  			data: {
  				datasets: [{
  					data: [10, 15, 0, 4],
  					pointRadius: 10,
  					radius: 15,
  				}, {
  					data: [20, 20, 20, 20],
  					radius: 20
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			}
  		});
  
  		var meta0 = chart.getDatasetMeta(0);
  		var meta1 = chart.getDatasetMeta(1);
  		expect(meta0.data[0]._model.radius).toBe(10);
  		expect(meta1.data[0]._model.radius).toBe(20);
  	});
  });
  