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describe('c3 api zoom', function () { 'use strict'; var chart, args; beforeEach(function (done) { chart = window.initChart(chart, args, done); }); describe('zoom', function () { beforeAll(function () { args = { data: { columns: [ ['data1', 30, 200, 100, 400, 150, 250], ['data2', 50, 20, 10, 40, 15, 25], ['data3', 150, 120, 110, 140, 115, 125] ] }, zoom: { enabled: true } }; }); it('should be zoomed properly', function () { var target = [3, 5], domain; chart.zoom(target); domain = chart.internal.x.domain(); expect(domain[0]).toBe(target[0]); expect(domain[1]).toBe(target[1]); }); it('should be zoomed properly again', function () { var target = [1, 4], domain; chart.zoom(target); domain = chart.internal.x.domain(); expect(domain[0]).toBe(target[0]); expect(domain[1]).toBe(target[1]); }); describe('with timeseries data', function () { beforeAll(function(){ args = { data: { x: 'date', columns: [ ['date', '2014-01-01', '2014-01-02', '2014-08-01', '2014-10-19'], ['data1', 30, 200, 100, 400] ] }, axis: { x: { type: 'timeseries' } }, zoom: { enabled: true } }; }); it('should be zoomed properly', function () { var target = [new Date(2014, 7, 1), new Date(2014, 8, 1)], domain; chart.zoom(target); domain = chart.internal.x.domain(); expect(+domain[0]).toBe(+target[0]); expect(+domain[1]).toBe(+target[1]); }); it('should be zoomed properly', function () { var target = ['2014-08-01', '2014-09-01'], domain; chart.zoom(target); domain = chart.internal.x.domain(); expect(+domain[0]).toBe(+chart.internal.parseDate(target[0])); expect(+domain[1]).toBe(+chart.internal.parseDate(target[1])); }); }); }); describe('unzoom', function () { beforeAll(function () { args = { data: { columns: [ ['data1', 30, 200, 100, 400, 150, 250] ] }, zoom: { enabled: true } }; }); it('should be unzoomed properly', function () { var target = [1, 4], orginal = chart.internal.x.domain(), domain; chart.zoom(target); domain = chart.internal.x.domain(); expect(domain[0]).toBe(target[0]); expect(domain[1]).toBe(target[1]); chart.unzoom(); domain = chart.internal.x.domain(); expect(domain[0]).toBe(orginal[0]); expect(domain[1]).toBe(orginal[1]); }); }); });
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