265 lines
9.3 KiB
JavaScript
265 lines
9.3 KiB
JavaScript
import Event from '../../../../../src/ol/events/Event.js';
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import EventTarget from '../../../../../src/ol/events/Target.js';
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import Map from '../../../../../src/ol/Map.js';
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import View from '../../../../../src/ol/View.js';
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import ZoomSlider from '../../../../../src/ol/control/ZoomSlider.js';
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describe('ol.control.ZoomSlider', function () {
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let map, target, zoomslider;
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const createElement = document.createElement;
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function createEventElement(type) {
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const element = createElement.call(document, type);
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const eventTarget = new EventTarget();
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element.listeners_ = {};
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element.dispatching_ = {};
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element.pendingRemovals_ = {};
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element.dispatchEvent = eventTarget.dispatchEvent.bind(element);
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element.addEventListener = eventTarget.addEventListener.bind(element);
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return element;
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}
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beforeEach(function () {
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target = document.createElement('div');
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document.body.appendChild(target);
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zoomslider = new ZoomSlider();
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map = new Map({
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target: target,
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controls: [zoomslider],
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});
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});
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afterEach(function () {
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zoomslider.dispose();
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map.dispose();
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document.body.removeChild(target);
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zoomslider = null;
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map = null;
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target = null;
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});
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describe('DOM creation', function () {
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it('creates the expected DOM elements', function () {
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const zoomSliderContainers = target.querySelectorAll('.ol-zoomslider');
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expect(zoomSliderContainers.length).to.be(1);
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const zoomSliderContainer = zoomSliderContainers[0];
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expect(zoomSliderContainer instanceof HTMLDivElement).to.be(true);
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let hasUnselectableCls = zoomSliderContainer.classList.contains(
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'ol-unselectable'
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);
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expect(hasUnselectableCls).to.be(true);
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const zoomSliderThumbs = zoomSliderContainer.querySelectorAll(
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'.ol-zoomslider-thumb'
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);
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expect(zoomSliderThumbs.length).to.be(1);
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const zoomSliderThumb = zoomSliderThumbs[0];
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expect(zoomSliderThumb instanceof HTMLButtonElement).to.be(true);
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hasUnselectableCls = zoomSliderThumb.classList.contains(
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'ol-unselectable'
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);
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expect(hasUnselectableCls).to.be(true);
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});
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});
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describe('#initSlider_', function () {
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it('sets limits', function () {
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zoomslider.initSlider_();
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expect(zoomslider.widthLimit_).not.to.be(0);
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expect(zoomslider.heightLimit_).to.be(0);
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});
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});
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describe('#direction_', function () {
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it('is horizontal for wide containers', function () {
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const control = new ZoomSlider({});
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control.element.style.width = '1000px';
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control.element.style.height = '10px';
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control.setMap(map);
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control.initSlider_();
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const horizontal = 1;
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expect(control.direction_).to.be(horizontal);
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control.dispose();
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});
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it('is vertical for tall containers', function () {
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const control = new ZoomSlider({});
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control.element.style.width = '10px';
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control.element.style.height = '1000px';
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control.setMap(map);
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const vertical = 0;
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expect(control.direction_).to.be(vertical);
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control.dispose();
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});
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});
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describe('Pointer event handling', function () {
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let map;
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beforeEach(function () {
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map = new Map({
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target: createMapDiv(500, 100),
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view: new View({
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center: [0, 0],
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resolutions: [16, 8, 4, 2, 1, 0.5, 0.25, 0.125, 0.0625],
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}),
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});
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});
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afterEach(function () {
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disposeMap(map);
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});
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it('[horizontal] handles a drag sequence', function () {
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document.createElement = createEventElement;
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const control = new ZoomSlider();
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map.addControl(control);
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document.createElement = createElement;
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map.getView().setZoom(0);
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control.element.style.width = '500px';
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control.element.style.height = '10px';
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control.element.firstChild.style.width = '100px';
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control.element.firstChild.style.height = '10px';
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map.renderSync();
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const event = new Event();
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(event.type = 'pointerdown'),
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(event.target = control.element.firstElementChild);
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event.clientX = control.widthLimit_;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(16);
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expect(control.dragging_).to.be(true);
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expect(control.dragListenerKeys_.length).to.be(2);
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event.type = 'pointermove';
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event.clientX = (6 * control.widthLimit_) / 8;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(4);
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event.type = 'pointermove';
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event.clientX = (4 * control.widthLimit_) / 8;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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event.type = 'pointerup';
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(1);
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expect(control.dragListenerKeys_.length).to.be(0);
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expect(control.dragging_).to.be(false);
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});
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it('[horizontal] handles a drag sequence ending outside its bounds', function () {
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document.createElement = createEventElement;
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const control = new ZoomSlider();
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map.addControl(control);
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document.createElement = createElement;
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map.getView().setZoom(0);
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control.element.style.width = '500px';
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control.element.style.height = '10px';
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control.element.firstChild.style.width = '100px';
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control.element.firstChild.style.height = '10px';
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map.renderSync();
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const event = new Event();
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event.type = 'pointerdown';
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event.target = control.element.firstElementChild;
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event.clientX = control.widthLimit_;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(16);
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expect(control.dragging_).to.be(true);
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expect(control.dragListenerKeys_.length).to.be(2);
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event.type = 'pointermove';
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event.clientX = (6 * control.widthLimit_) / 8;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(4);
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event.type = 'pointermove';
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event.clientX = (12 * control.widthLimit_) / 8;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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event.type = 'pointerup';
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event.target = 'document';
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control.element.dispatchEvent(event);
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expect(control.dragListenerKeys_.length).to.be(0);
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expect(control.dragging_).to.be(false);
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expect(control.currentResolution_).to.be(16);
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});
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it('[vertical] handles a drag sequence', function () {
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document.createElement = createEventElement;
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const control = new ZoomSlider();
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control.element.style.width = '10px';
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control.element.style.height = '100px';
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control.element.firstChild.style.width = '10px';
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control.element.firstChild.style.height = '20px';
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map.addControl(control);
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document.createElement = createElement;
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map.getView().setZoom(8);
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map.renderSync();
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const event = new Event();
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event.type = 'pointerdown';
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event.target = control.element.firstElementChild;
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event.clientX = 0;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(0.0625);
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expect(control.dragging_).to.be(true);
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expect(control.dragListenerKeys_.length).to.be(2);
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event.type = 'pointermove';
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event.clientX = 0;
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event.clientY = (2 * control.heightLimit_) / 8;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(0.25);
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event.type = 'pointermove';
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event.clientX = 0;
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event.clientY = (4 * control.heightLimit_) / 8;
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control.element.dispatchEvent(event);
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event.type = 'pointerup';
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(1);
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expect(control.dragListenerKeys_.length).to.be(0);
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expect(control.dragging_).to.be(false);
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});
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it('[vertical] handles a drag sequence ending outside its bounds', function () {
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document.createElement = createEventElement;
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const control = new ZoomSlider();
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control.element.style.width = '10px';
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control.element.style.height = '100px';
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control.element.firstChild.style.width = '10px';
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control.element.firstChild.style.height = '20px';
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map.addControl(control);
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document.createElement = createElement;
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map.getView().setZoom(8);
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map.renderSync();
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const event = new Event();
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event.type = 'pointerdown';
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event.target = control.element.firstElementChild;
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event.clientX = 0;
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event.clientY = 0;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(0.0625);
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expect(control.dragging_).to.be(true);
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expect(control.dragListenerKeys_.length).to.be(2);
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event.type = 'pointermove';
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event.clientX = 0;
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event.clientY = (2 * control.heightLimit_) / 8;
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(0.25);
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event.type = 'pointermove';
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event.clientX = 0;
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event.clientY = (12 * control.heightLimit_) / 8;
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control.element.dispatchEvent(event);
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event.type = 'pointerup';
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control.element.dispatchEvent(event);
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expect(control.currentResolution_).to.be(16);
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expect(control.dragListenerKeys_.length).to.be(0);
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expect(control.dragging_).to.be(false);
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});
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});
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});
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