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WebRoot/node_modules/chart.js/test/jasmine.index.js

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+var Context = require('./jasmine.context');
+var matchers = require('./jasmine.matchers');
+var utils = require('./jasmine.utils');
+
+(function() {
+
+	// Keep track of all acquired charts to automatically release them after each specs
+	var charts = {};
+
+	function acquireChart() {
+		var chart = utils.acquireChart.apply(utils, arguments);
+		charts[chart.id] = chart;
+		return chart;
+	}
+
+	function releaseChart(chart) {
+		utils.releaseChart.apply(utils, arguments);
+		delete charts[chart.id];
+	}
+
+	function createMockContext() {
+		return new Context();
+	}
+
+	// force ratio=1 for tests on high-res/retina devices
+	// fixes https://github.com/chartjs/Chart.js/issues/4515
+	window.devicePixelRatio = 1;
+
+	window.acquireChart = acquireChart;
+	window.releaseChart = releaseChart;
+	window.waitForResize = utils.waitForResize;
+	window.createMockContext = createMockContext;
+
+	// some style initialization to limit differences between browsers across different plateforms.
+	utils.injectCSS(
+		'.chartjs-wrapper, .chartjs-wrapper canvas {' +
+			'border: 0;' +
+			'margin: 0;' +
+			'padding: 0;' +
+		'}' +
+		'.chartjs-wrapper {' +
+			'position: absolute' +
+		'}');
+
+	jasmine.specsFromFixtures = utils.specsFromFixtures;
+	jasmine.triggerMouseEvent = utils.triggerMouseEvent;
+
+	beforeEach(function() {
+		jasmine.addMatchers(matchers);
+	});
+
+	afterEach(function() {
+		// Auto releasing acquired charts
+		Object.keys(charts).forEach(function(id) {
+			var chart = charts[id];
+			if (!(chart.$test || {}).persistent) {
+				releaseChart(chart);
+			}
+		});
+	});
+}());