text: describe('Chart.controllers.bar', function() {
  	describe('auto', jasmine.fixture.specs('controller.bar'));
  
  	it('should be registered as dataset controller', function() {
  		expect(typeof Chart.controllers.bar).toBe('function');
  		expect(typeof Chart.controllers.horizontalBar).toBe('function');
  	});
  
  	it('should be constructed', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [
  					{data: []},
  					{data: []}
  				],
  				labels: []
  			}
  		});
  
  		var meta = chart.getDatasetMeta(1);
  		expect(meta.type).toEqual('bar');
  		expect(meta.data).toEqual([]);
  		expect(meta.hidden).toBe(null);
  		expect(meta.controller).not.toBe(undefined);
  		expect(meta.controller.index).toBe(1);
  		expect(meta.xAxisID).not.toBe(null);
  		expect(meta.yAxisID).not.toBe(null);
  
  		meta.controller.updateIndex(0);
  		expect(meta.controller.index).toBe(0);
  	});
  
  	it('should use the first scale IDs if the dataset does not specify them', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [
  					{data: []},
  					{data: []}
  				],
  				labels: []
  			},
  		});
  
  		var meta = chart.getDatasetMeta(1);
  		expect(meta.xAxisID).toBe('x');
  		expect(meta.yAxisID).toBe('y');
  	});
  
  	it('should correctly count the number of stacks ignoring datasets of other types and hidden datasets', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], type: 'line'},
  						{data: [], hidden: true},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackCount()).toBe(2);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is not specified', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: []},
  						{data: []},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackCount()).toBe(4);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is not specified and the scale is stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: []},
  						{data: []},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: true
  						},
  						y: {
  							stacked: true
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackCount()).toBe(1);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is not specified and the scale is not stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: []},
  						{data: []},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: false
  						},
  						y: {
  							stacked: false
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackCount()).toBe(4);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is specified for some', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(3);
  			expect(meta.controller.getStackCount()).toBe(3);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is specified for some and the scale is stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: true
  						},
  						y: {
  							stacked: true
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(3);
  			expect(meta.controller.getStackCount()).toBe(2);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is specified for some and the scale is not stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: false
  						},
  						y: {
  							stacked: false
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(3);
  			expect(meta.controller.getStackCount()).toBe(4);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is specified for all', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack2'},
  						{data: [], stack: 'stack2'}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(3);
  			expect(meta.controller.getStackCount()).toBe(2);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is specified for all and the scale is stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack2'},
  						{data: [], stack: 'stack2'}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: true
  						},
  						y: {
  							stacked: true
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(3);
  			expect(meta.controller.getStackCount()).toBe(2);
  		});
  	});
  
  	it('should correctly count the number of stacks when a group is specified for all and the scale is not stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack2'},
  						{data: [], stack: 'stack2'}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: false
  						},
  						y: {
  							stacked: false
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(3);
  			expect(meta.controller.getStackCount()).toBe(4);
  		});
  	});
  
  	it('should correctly get the stack index accounting for datasets of other types and hidden datasets', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: []},
  						{data: [], hidden: true},
  						{data: [], type: 'line'},
  						{data: []}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(3)).toBe(1);
  		});
  	});
  
  	it('should correctly get the stack index when a group is not specified', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: []},
  						{data: []},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(1);
  			expect(meta.controller.getStackIndex(2)).toBe(2);
  			expect(meta.controller.getStackIndex(3)).toBe(3);
  		});
  	});
  
  	it('should correctly get the stack index when a group is not specified and the scale is stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: []},
  						{data: []},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: true
  						},
  						y: {
  							stacked: true
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(0);
  			expect(meta.controller.getStackIndex(2)).toBe(0);
  			expect(meta.controller.getStackIndex(3)).toBe(0);
  		});
  	});
  
  	it('should correctly get the stack index when a group is not specified and the scale is not stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: []},
  						{data: []},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: false
  						},
  						y: {
  							stacked: false
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(1);
  			expect(meta.controller.getStackIndex(2)).toBe(2);
  			expect(meta.controller.getStackIndex(3)).toBe(3);
  		});
  	});
  
  	it('should correctly get the stack index when a group is specified for some', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(0);
  			expect(meta.controller.getStackIndex(2)).toBe(1);
  			expect(meta.controller.getStackIndex(3)).toBe(2);
  		});
  	});
  
  	it('should correctly get the stack index when a group is specified for some and the scale is stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: true
  						},
  						y: {
  							stacked: true
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(0);
  			expect(meta.controller.getStackIndex(2)).toBe(1);
  			expect(meta.controller.getStackIndex(3)).toBe(1);
  		});
  	});
  
  	it('should correctly get the stack index when a group is specified for some and the scale is not stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: []},
  						{data: []}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: false
  						},
  						y: {
  							stacked: false
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(1);
  			expect(meta.controller.getStackIndex(2)).toBe(2);
  			expect(meta.controller.getStackIndex(3)).toBe(3);
  		});
  	});
  
  	it('should correctly get the stack index when a group is specified for all', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack2'},
  						{data: [], stack: 'stack2'}
  					],
  					labels: []
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(0);
  			expect(meta.controller.getStackIndex(2)).toBe(1);
  			expect(meta.controller.getStackIndex(3)).toBe(1);
  		});
  	});
  
  	it('should correctly get the stack index when a group is specified for all and the scale is stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack2'},
  						{data: [], stack: 'stack2'}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: true
  						},
  						y: {
  							stacked: true
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(0);
  			expect(meta.controller.getStackIndex(2)).toBe(1);
  			expect(meta.controller.getStackIndex(3)).toBe(1);
  		});
  	});
  
  	it('should correctly get the stack index when a group is specified for all and the scale is not stacked', function() {
  		[
  			'bar',
  			'horizontalBar'
  		].forEach(function(barType) {
  			var chart = window.acquireChart({
  				type: barType,
  				data: {
  					datasets: [
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack1'},
  						{data: [], stack: 'stack2'},
  						{data: [], stack: 'stack2'}
  					],
  					labels: []
  				},
  				options: {
  					scales: {
  						x: {
  							stacked: false
  						},
  						y: {
  							stacked: false
  						}
  					}
  				}
  			});
  
  			var meta = chart.getDatasetMeta(1);
  			expect(meta.controller.getStackIndex(0)).toBe(0);
  			expect(meta.controller.getStackIndex(1)).toBe(1);
  			expect(meta.controller.getStackIndex(2)).toBe(2);
  			expect(meta.controller.getStackIndex(3)).toBe(3);
  		});
  	});
  
  	it('should create rectangle elements for each data item during initialization', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [
  					{data: []},
  					{data: [10, 15, 0, -4]}
  				],
  				labels: []
  			}
  		});
  
  		var meta = chart.getDatasetMeta(1);
  		expect(meta.data.length).toBe(4); // 4 rectangles created
  		expect(meta.data[0] instanceof Chart.elements.Rectangle).toBe(true);
  		expect(meta.data[1] instanceof Chart.elements.Rectangle).toBe(true);
  		expect(meta.data[2] instanceof Chart.elements.Rectangle).toBe(true);
  		expect(meta.data[3] instanceof Chart.elements.Rectangle).toBe(true);
  	});
  
  	it('should update elements when modifying data', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [1, 2],
  					label: 'dataset1'
  				}, {
  					data: [10, 15, 0, -4],
  					label: 'dataset2',
  					borderColor: 'blue'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				elements: {
  					rectangle: {
  						backgroundColor: 'red',
  						borderSkipped: 'top',
  						borderColor: 'green',
  						borderWidth: 2,
  					}
  				},
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						beginAtZero: false
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(1);
  		expect(meta.data.length).toBe(4);
  
  		chart.data.datasets[1].data = [1, 2]; // remove 2 items
  		chart.data.datasets[1].borderWidth = 1;
  		chart.update();
  
  		expect(meta.data.length).toBe(2);
  		expect(meta._parsed.length).toBe(2);
  
  		[
  			{x: 89, y: 512},
  			{x: 217, y: 0}
  		].forEach(function(expected, i) {
  			expect(meta.data[i].x).toBeCloseToPixel(expected.x);
  			expect(meta.data[i].y).toBeCloseToPixel(expected.y);
  			expect(meta.data[i].base).toBeCloseToPixel(1024);
  			expect(meta.data[i].width).toBeCloseToPixel(46);
  			expect(meta.data[i].options).toEqual(jasmine.objectContaining({
  				backgroundColor: 'red',
  				borderSkipped: 'top',
  				borderColor: 'blue',
  				borderWidth: 1
  			}));
  		});
  
  		chart.data.datasets[1].data = [1, 2, 3]; // add 1 items
  		chart.update();
  
  		expect(meta.data.length).toBe(3); // should add a new meta data item
  	});
  
  	it('should get the correct bar points when datasets of different types exist', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [1, 2],
  					label: 'dataset1'
  				}, {
  					type: 'line',
  					data: [4, 6],
  					label: 'dataset2'
  				}, {
  					data: [8, 10],
  					label: 'dataset3'
  				}],
  				labels: ['label1', 'label2']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						beginAtZero: false
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(2);
  		expect(meta.data.length).toBe(2);
  
  		var bar1 = meta.data[0];
  		var bar2 = meta.data[1];
  
  		expect(bar1.x).toBeCloseToPixel(179);
  		expect(bar1.y).toBeCloseToPixel(114);
  		expect(bar2.x).toBeCloseToPixel(435);
  		expect(bar2.y).toBeCloseToPixel(0);
  	});
  
  	it('should update elements when the scales are stacked', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [10, -10, 10, -10],
  					label: 'dataset1'
  				}, {
  					data: [10, 15, 0, -4],
  					label: 'dataset2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						stacked: true
  					}
  				}
  			}
  		});
  
  		var meta0 = chart.getDatasetMeta(0);
  
  		[
  			{b: 293, w: 92 / 2, x: 38, y: 146},
  			{b: 293, w: 92 / 2, x: 166, y: 439},
  			{b: 293, w: 92 / 2, x: 295, y: 146},
  			{b: 293, w: 92 / 2, x: 422, y: 439}
  		].forEach(function(values, i) {
  			expect(meta0.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta0.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta0.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta0.data[i].y).toBeCloseToPixel(values.y);
  		});
  
  		var meta1 = chart.getDatasetMeta(1);
  
  		[
  			{b: 146, w: 92 / 2, x: 89, y: 0},
  			{b: 293, w: 92 / 2, x: 217, y: 73},
  			{b: 146, w: 92 / 2, x: 345, y: 146},
  			{b: 439, w: 92 / 2, x: 473, y: 497}
  		].forEach(function(values, i) {
  			expect(meta1.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta1.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta1.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta1.data[i].y).toBeCloseToPixel(values.y);
  		});
  	});
  
  	it('should update elements when the scales are stacked and the y axis has a user defined minimum', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [50, 20, 10, 100],
  					label: 'dataset1'
  				}, {
  					data: [50, 80, 90, 0],
  					label: 'dataset2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						stacked: true,
  						min: 50,
  						max: 100
  					}
  				}
  			}
  		});
  
  		var meta0 = chart.getDatasetMeta(0);
  
  		[
  			{b: 1024, w: 92 / 2, x: 38, y: 512},
  			{b: 1024, w: 92 / 2, x: 166, y: 819},
  			{b: 1024, w: 92 / 2, x: 294, y: 922},
  			{b: 1024, w: 92 / 2, x: 422.5, y: 0}
  		].forEach(function(values, i) {
  			expect(meta0.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta0.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta0.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta0.data[i].y).toBeCloseToPixel(values.y);
  		});
  
  		var meta1 = chart.getDatasetMeta(1);
  
  		[
  			{b: 512, w: 92 / 2, x: 89, y: 0},
  			{b: 819, w: 92 / 2, x: 217, y: 0},
  			{b: 922, w: 92 / 2, x: 345, y: 0},
  			{b: 0, w: 92 / 2, x: 473.5, y: 0}
  		].forEach(function(values, i) {
  			expect(meta1.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta1.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta1.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta1.data[i].y).toBeCloseToPixel(values.y);
  		});
  	});
  
  	it('should update elements when only the category scale is stacked', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [20, -10, 10, -10],
  					label: 'dataset1'
  				}, {
  					data: [10, 15, 0, -14],
  					label: 'dataset2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false,
  						stacked: true
  					},
  					y: {
  						type: 'linear',
  						display: false
  					}
  				}
  			}
  		});
  
  		var meta0 = chart.getDatasetMeta(0);
  
  		[
  			{b: 293, w: 92, x: 64, y: 0},
  			{b: 293, w: 92, x: 192, y: 439},
  			{b: 293, w: 92, x: 320, y: 146},
  			{b: 293, w: 92, x: 448, y: 439}
  		].forEach(function(values, i) {
  			expect(meta0.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta0.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta0.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta0.data[i].y).toBeCloseToPixel(values.y);
  		});
  
  		var meta1 = chart.getDatasetMeta(1);
  
  		[
  			{b: 293, w: 92, x: 64, y: 146},
  			{b: 293, w: 92, x: 192, y: 73},
  			{b: 293, w: 92, x: 320, y: 293},
  			{b: 293, w: 92, x: 448, y: 497}
  		].forEach(function(values, i) {
  			expect(meta1.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta1.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta1.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta1.data[i].y).toBeCloseToPixel(values.y);
  		});
  	});
  
  	it('should update elements when the scales are stacked and data is strings', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: ['10', '-10', '10', '-10'],
  					label: 'dataset1'
  				}, {
  					data: ['10', '15', '0', '-4'],
  					label: 'dataset2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						stacked: true
  					}
  				}
  			}
  		});
  
  		var meta0 = chart.getDatasetMeta(0);
  
  		[
  			{b: 293, w: 92 / 2, x: 38, y: 146},
  			{b: 293, w: 92 / 2, x: 166, y: 439},
  			{b: 293, w: 92 / 2, x: 295, y: 146},
  			{b: 293, w: 92 / 2, x: 422, y: 439}
  		].forEach(function(values, i) {
  			expect(meta0.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta0.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta0.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta0.data[i].y).toBeCloseToPixel(values.y);
  		});
  
  		var meta1 = chart.getDatasetMeta(1);
  
  		[
  			{b: 146, w: 92 / 2, x: 89, y: 0},
  			{b: 293, w: 92 / 2, x: 217, y: 73},
  			{b: 146, w: 92 / 2, x: 345, y: 146},
  			{b: 439, w: 92 / 2, x: 473, y: 497}
  		].forEach(function(values, i) {
  			expect(meta1.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta1.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta1.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta1.data[i].y).toBeCloseToPixel(values.y);
  		});
  	});
  
  	it('should get the correct bar points for grouped stacked chart if the group name is same', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [10, -10, 10, -10],
  					label: 'dataset1',
  					stack: 'stack1'
  				}, {
  					data: [10, 15, 0, -4],
  					label: 'dataset2',
  					stack: 'stack1'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						stacked: true
  					}
  				}
  			}
  		});
  
  		var meta0 = chart.getDatasetMeta(0);
  
  		[
  			{b: 293, w: 92, x: 64, y: 146},
  			{b: 293, w: 92, x: 192, y: 439},
  			{b: 293, w: 92, x: 320, y: 146},
  			{b: 293, w: 92, x: 448, y: 439}
  		].forEach(function(values, i) {
  			expect(meta0.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta0.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta0.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta0.data[i].y).toBeCloseToPixel(values.y);
  		});
  
  		var meta = chart.getDatasetMeta(1);
  
  		[
  			{b: 146, w: 92, x: 64, y: 0},
  			{b: 293, w: 92, x: 192, y: 73},
  			{b: 146, w: 92, x: 320, y: 146},
  			{b: 439, w: 92, x: 448, y: 497}
  		].forEach(function(values, i) {
  			expect(meta.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta.data[i].width).toBeCloseToPixel(values.w);
  			expect(meta.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta.data[i].y).toBeCloseToPixel(values.y);
  		});
  	});
  
  	it('should get the correct bar points for grouped stacked chart if the group name is different', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [1, 2],
  					stack: 'stack1'
  				}, {
  					data: [1, 2],
  					stack: 'stack2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						stacked: true,
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(1);
  
  		[
  			{x: 89, y: 256},
  			{x: 217, y: 0}
  		].forEach(function(values, i) {
  			expect(meta.data[i].base).toBeCloseToPixel(512);
  			expect(meta.data[i].width).toBeCloseToPixel(46);
  			expect(meta.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta.data[i].y).toBeCloseToPixel(values.y);
  		});
  	});
  
  	it('should get the correct bar points for grouped stacked chart', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [1, 2],
  					stack: 'stack1'
  				}, {
  					data: [0.5, 1],
  					stack: 'stack2'
  				}, {
  					data: [0.5, 1],
  					stack: 'stack2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				legend: false,
  				title: false,
  				scales: {
  					x: {
  						type: 'category',
  						display: false
  					},
  					y: {
  						type: 'linear',
  						display: false,
  						stacked: true
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(2);
  
  		[
  			{b: 384, x: 89, y: 256},
  			{b: 256, x: 217, y: 0}
  		].forEach(function(values, i) {
  			expect(meta.data[i].base).toBeCloseToPixel(values.b);
  			expect(meta.data[i].width).toBeCloseToPixel(46);
  			expect(meta.data[i].x).toBeCloseToPixel(values.x);
  			expect(meta.data[i].y).toBeCloseToPixel(values.y);
  		});
  	});
  
  	it('should draw all bars', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [],
  				}, {
  					data: [10, 15, 0, -4],
  					label: 'dataset2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			}
  		});
  
  		var meta = chart.getDatasetMeta(1);
  
  		spyOn(meta.data[0], 'draw');
  		spyOn(meta.data[1], 'draw');
  		spyOn(meta.data[2], 'draw');
  		spyOn(meta.data[3], 'draw');
  
  		chart.update();
  
  		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 set hover styles on rectangles', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [],
  				}, {
  					data: [10, 15, 0, -4],
  					label: 'dataset2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				elements: {
  					rectangle: {
  						backgroundColor: 'rgb(255, 0, 0)',
  						borderColor: 'rgb(0, 0, 255)',
  						borderWidth: 2,
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(1);
  		var bar = meta.data[0];
  
  		meta.controller.setHoverStyle(bar, 1, 0);
  		expect(bar.options.backgroundColor).toBe('rgb(230, 0, 0)');
  		expect(bar.options.borderColor).toBe('rgb(0, 0, 230)');
  		expect(bar.options.borderWidth).toBe(2);
  
  		// Set a dataset style
  		chart.data.datasets[1].hoverBackgroundColor = 'rgb(128, 128, 128)';
  		chart.data.datasets[1].hoverBorderColor = 'rgb(0, 0, 0)';
  		chart.data.datasets[1].hoverBorderWidth = 5;
  		chart.update();
  
  		meta.controller.setHoverStyle(bar, 1, 0);
  		expect(bar.options.backgroundColor).toBe('rgb(128, 128, 128)');
  		expect(bar.options.borderColor).toBe('rgb(0, 0, 0)');
  		expect(bar.options.borderWidth).toBe(5);
  
  		// Should work with array styles so that we can set per bar
  		chart.data.datasets[1].hoverBackgroundColor = ['rgb(255, 255, 255)', 'rgb(128, 128, 128)'];
  		chart.data.datasets[1].hoverBorderColor = ['rgb(9, 9, 9)', 'rgb(0, 0, 0)'];
  		chart.data.datasets[1].hoverBorderWidth = [2.5, 5];
  		chart.update();
  
  		meta.controller.setHoverStyle(bar, 1, 0);
  		expect(bar.options.backgroundColor).toBe('rgb(255, 255, 255)');
  		expect(bar.options.borderColor).toBe('rgb(9, 9, 9)');
  		expect(bar.options.borderWidth).toBe(2.5);
  	});
  
  	it('should remove a hover style from a bar', function() {
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					data: [],
  				}, {
  					data: [10, 15, 0, -4],
  					label: 'dataset2'
  				}],
  				labels: ['label1', 'label2', 'label3', 'label4']
  			},
  			options: {
  				elements: {
  					rectangle: {
  						backgroundColor: 'rgb(255, 0, 0)',
  						borderColor: 'rgb(0, 0, 255)',
  						borderWidth: 2,
  					}
  				}
  			}
  		});
  
  		var meta = chart.getDatasetMeta(1);
  		var bar = meta.data[0];
  		var helpers = window.Chart.helpers;
  
  		// Change default
  		chart.options.elements.rectangle.backgroundColor = 'rgb(128, 128, 128)';
  		chart.options.elements.rectangle.borderColor = 'rgb(15, 15, 15)';
  		chart.options.elements.rectangle.borderWidth = 3.14;
  
  		chart.update();
  		expect(bar.options.backgroundColor).toBe('rgb(128, 128, 128)');
  		expect(bar.options.borderColor).toBe('rgb(15, 15, 15)');
  		expect(bar.options.borderWidth).toBe(3.14);
  		meta.controller.setHoverStyle(bar, 1, 0);
  		expect(bar.options.backgroundColor).toBe(helpers.getHoverColor('rgb(128, 128, 128)'));
  		expect(bar.options.borderColor).toBe(helpers.getHoverColor('rgb(15, 15, 15)'));
  		expect(bar.options.borderWidth).toBe(3.14);
  		meta.controller.removeHoverStyle(bar);
  		expect(bar.options.backgroundColor).toBe('rgb(128, 128, 128)');
  		expect(bar.options.borderColor).toBe('rgb(15, 15, 15)');
  		expect(bar.options.borderWidth).toBe(3.14);
  
  		// Should work with array styles so that we can set per bar
  		chart.data.datasets[1].backgroundColor = ['rgb(255, 255, 255)', 'rgb(128, 128, 128)'];
  		chart.data.datasets[1].borderColor = ['rgb(9, 9, 9)', 'rgb(0, 0, 0)'];
  		chart.data.datasets[1].borderWidth = [2.5, 5];
  
  		chart.update();
  		expect(bar.options.backgroundColor).toBe('rgb(255, 255, 255)');
  		expect(bar.options.borderColor).toBe('rgb(9, 9, 9)');
  		expect(bar.options.borderWidth).toBe(2.5);
  		meta.controller.setHoverStyle(bar, 1, 0);
  		expect(bar.options.backgroundColor).toBe(helpers.getHoverColor('rgb(255, 255, 255)'));
  		expect(bar.options.borderColor).toBe(helpers.getHoverColor('rgb(9, 9, 9)'));
  		expect(bar.options.borderWidth).toBe(2.5);
  		meta.controller.removeHoverStyle(bar);
  		expect(bar.options.backgroundColor).toBe('rgb(255, 255, 255)');
  		expect(bar.options.borderColor).toBe('rgb(9, 9, 9)');
  		expect(bar.options.borderWidth).toBe(2.5);
  	});
  
  	describe('Bar width', function() {
  		beforeEach(function() {
  			// 2 datasets
  			this.data = {
  				labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
  				datasets: [{
  					data: [10, 20, 30, 40, 50, 60, 70],
  				}, {
  					data: [10, 20, 30, 40, 50, 60, 70],
  				}]
  			};
  		});
  
  		afterEach(function() {
  			var chart = window.acquireChart(this.config);
  			var meta = chart.getDatasetMeta(0);
  			var xScale = chart.scales[meta.xAxisID];
  			var options = Chart.defaults.datasets.bar;
  
  			var categoryPercentage = options.categoryPercentage;
  			var barPercentage = options.barPercentage;
  			var stacked = xScale.options.stacked;
  
  			var totalBarWidth = 0;
  			for (var i = 0; i < chart.data.datasets.length; i++) {
  				var bars = chart.getDatasetMeta(i).data;
  				for (var j = xScale.min; j <= xScale.max; j++) {
  					totalBarWidth += bars[j].width;
  				}
  				if (stacked) {
  					break;
  				}
  			}
  
  			var actualValue = totalBarWidth;
  			var expectedValue = xScale.width * categoryPercentage * barPercentage;
  			expect(actualValue).toBeCloseToPixel(expectedValue);
  
  		});
  
  		it('should correctly set bar width when min and max option is set.', function() {
  			this.config = {
  				type: 'bar',
  				data: this.data,
  				options: {
  					scales: {
  						x: {
  							min: 'March',
  							max: 'May',
  						}
  					}
  				}
  			};
  		});
  
  		it('should correctly set bar width when scale are stacked with min and max options.', function() {
  			this.config = {
  				type: 'bar',
  				data: this.data,
  				options: {
  					scales: {
  						x: {
  							min: 'March',
  							max: 'May',
  						},
  						y: {
  							stacked: true
  						}
  					}
  				}
  			};
  		});
  	});
  
  	describe('Bar height (horizontalBar type)', function() {
  		beforeEach(function() {
  			// 2 datasets
  			this.data = {
  				labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
  				datasets: [{
  					data: [10, 20, 30, 40, 50, 60, 70],
  				}, {
  					data: [10, 20, 30, 40, 50, 60, 70],
  				}]
  			};
  		});
  
  		afterEach(function() {
  			var chart = window.acquireChart(this.config);
  			var meta = chart.getDatasetMeta(0);
  			var yScale = chart.scales[meta.yAxisID];
  
  			var config = meta.controller._config;
  			var categoryPercentage = config.categoryPercentage;
  			var barPercentage = config.barPercentage;
  			var stacked = yScale.options.stacked;
  
  			var totalBarHeight = 0;
  			for (var i = 0; i < chart.data.datasets.length; i++) {
  				var bars = chart.getDatasetMeta(i).data;
  				for (var j = yScale.min; j <= yScale.max; j++) {
  					totalBarHeight += bars[j].height;
  				}
  				if (stacked) {
  					break;
  				}
  			}
  
  			var actualValue = totalBarHeight;
  			var expectedValue = yScale.height * categoryPercentage * barPercentage;
  			expect(actualValue).toBeCloseToPixel(expectedValue);
  
  		});
  
  		it('should correctly set bar height when min and max option is set.', function() {
  			this.config = {
  				type: 'horizontalBar',
  				data: this.data,
  				options: {
  					scales: {
  						y: {
  							min: 'March',
  							max: 'May',
  						}
  					}
  				}
  			};
  		});
  
  		it('should correctly set bar height when scale are stacked with min and max options.', function() {
  			this.config = {
  				type: 'horizontalBar',
  				data: this.data,
  				options: {
  					scales: {
  						x: {
  							stacked: true
  						},
  						y: {
  							min: 'March',
  							max: 'May',
  						}
  					}
  				}
  			};
  		});
  	});
  
  	describe('Bar thickness with a category scale', function() {
  		[undefined, 20].forEach(function(barThickness) {
  			describe('When barThickness is ' + barThickness, function() {
  				beforeEach(function() {
  					this.chart = window.acquireChart({
  						type: 'bar',
  						data: {
  							datasets: [{
  								data: [1, 2]
  							}, {
  								data: [1, 2]
  							}],
  							labels: ['label1', 'label2', 'label3']
  						},
  						options: {
  							legend: false,
  							title: false,
  							datasets: {
  								bar: {
  									barThickness: barThickness
  								}
  							},
  							scales: {
  								x: {
  									id: 'x',
  									type: 'category',
  								},
  								y: {
  									type: 'linear',
  								}
  							}
  						}
  					});
  				});
  
  				it('should correctly set bar width', function() {
  					var chart = this.chart;
  					var expected, i, ilen, meta;
  
  					if (barThickness) {
  						expected = barThickness;
  					} else {
  						var scale = chart.scales.x;
  						var options = Chart.defaults.datasets.bar;
  						var categoryPercentage = options.categoryPercentage;
  						var barPercentage = options.barPercentage;
  						var tickInterval = scale.getPixelForTick(1) - scale.getPixelForTick(0);
  
  						expected = tickInterval * categoryPercentage / 2 * barPercentage;
  					}
  
  					for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
  						meta = chart.getDatasetMeta(i);
  						expect(meta.data[0].width).toBeCloseToPixel(expected);
  						expect(meta.data[1].width).toBeCloseToPixel(expected);
  					}
  				});
  
  				it('should correctly set bar width if maxBarThickness is specified', function() {
  					var chart = this.chart;
  					var i, ilen, meta;
  
  					chart.data.datasets[0].maxBarThickness = 10;
  					chart.data.datasets[1].maxBarThickness = 10;
  					chart.update();
  
  					for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
  						meta = chart.getDatasetMeta(i);
  						expect(meta.data[0].width).toBeCloseToPixel(10);
  						expect(meta.data[1].width).toBeCloseToPixel(10);
  					}
  				});
  			});
  		});
  	});
  
  	it('minBarLength settings should be used on Y axis on bar chart', function() {
  		var minBarLength = 4;
  		var chart = window.acquireChart({
  			type: 'bar',
  			data: {
  				datasets: [{
  					minBarLength: minBarLength,
  					data: [0.05, -0.05, 10, 15, 20, 25, 30, 35]
  				}]
  			}
  		});
  
  		var data = chart.getDatasetMeta(0).data;
  
  		expect(data[0].base - minBarLength).toEqual(data[0].y);
  		expect(data[1].base + minBarLength).toEqual(data[1].y);
  	});
  
  	it('minBarLength settings should be used on X axis on horizontalBar chart', function() {
  		var minBarLength = 4;
  		var chart = window.acquireChart({
  			type: 'horizontalBar',
  			data: {
  				datasets: [{
  					minBarLength: minBarLength,
  					data: [0.05, -0.05, 10, 15, 20, 25, 30, 35]
  				}]
  			}
  		});
  
  		var data = chart.getDatasetMeta(0).data;
  
  		expect(data[0].base + minBarLength).toEqual(data[0].x);
  		expect(data[1].base - minBarLength).toEqual(data[1].x);
  	});
  });
  