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angular-docs-cn/packages/zone.js/test/browser/browser.spec.ts

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/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {patchFilteredProperties} from '../../lib/browser/property-descriptor';
import {patchEventTarget} from '../../lib/common/events';
import {isIEOrEdge, zoneSymbol} from '../../lib/common/utils';
import {getEdgeVersion, getIEVersion, ifEnvSupports, ifEnvSupportsWithDone, isEdge} from '../test-util';
import Spy = jasmine.Spy;
declare const global: any;
const noop = function() {};
function windowPrototype() {
return !!(global['Window'] && global['Window'].prototype);
}
function promiseUnhandleRejectionSupport() {
return !!global['PromiseRejectionEvent'];
}
function canPatchOnProperty(obj: any, prop: string) {
const func = function() {
if (!obj) {
return false;
}
const desc = Object.getOwnPropertyDescriptor(obj, prop);
if (!desc || !desc.configurable) {
return false;
}
return true;
};
(func as any).message = 'patchOnProperties';
return func;
}
let supportsPassive = false;
try {
const opts = Object.defineProperty({}, 'passive', {
get: function() {
supportsPassive = true;
}
});
window.addEventListener('test', opts as any, opts);
window.removeEventListener('test', opts as any, opts);
} catch (e) {
}
function supportEventListenerOptions() {
return supportsPassive;
}
(supportEventListenerOptions as any).message = 'supportsEventListenerOptions';
function supportCanvasTest() {
const HTMLCanvasElement = (window as any)['HTMLCanvasElement'];
const supportCanvas = typeof HTMLCanvasElement !== 'undefined' && HTMLCanvasElement.prototype &&
HTMLCanvasElement.prototype.toBlob;
const FileReader = (window as any)['FileReader'];
const supportFileReader = typeof FileReader !== 'undefined';
return supportCanvas && supportFileReader;
}
(supportCanvasTest as any).message = 'supportCanvasTest';
function ieOrEdge() {
return isIEOrEdge();
}
(ieOrEdge as any).message = 'IE/Edge Test';
class TestEventListener {
logs: any[] = [];
addEventListener(eventName: string, listener: any, options: any) {
this.logs.push(options);
}
removeEventListener(eventName: string, listener: any, options: any) {}
}
describe('Zone', function() {
const rootZone = Zone.current;
(Zone as any)[zoneSymbol('ignoreConsoleErrorUncaughtError')] = true;
describe('hooks', function() {
it('should allow you to override alert/prompt/confirm', function() {
const alertSpy = jasmine.createSpy('alert');
const promptSpy = jasmine.createSpy('prompt');
const confirmSpy = jasmine.createSpy('confirm');
const spies:
{[k: string]: Function} = {'alert': alertSpy, 'prompt': promptSpy, 'confirm': confirmSpy};
const myZone = Zone.current.fork({
name: 'spy',
onInvoke: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone,
callback: Function, applyThis?: any, applyArgs?: any[], source?: string): any => {
if (source) {
spies[source].apply(null, applyArgs);
} else {
return parentZoneDelegate.invoke(targetZone, callback, applyThis, applyArgs, source);
}
}
});
myZone.run(function() {
alert('alertMsg');
prompt('promptMsg', 'default');
confirm('confirmMsg');
});
expect(alertSpy).toHaveBeenCalledWith('alertMsg');
expect(promptSpy).toHaveBeenCalledWith('promptMsg', 'default');
expect(confirmSpy).toHaveBeenCalledWith('confirmMsg');
});
describe(
'DOM onProperty hooks',
ifEnvSupports(canPatchOnProperty(HTMLElement.prototype, 'onclick'), function() {
let mouseEvent = document.createEvent('Event');
let hookSpy: Spy, eventListenerSpy: Spy;
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
beforeEach(function() {
mouseEvent.initEvent('mousedown', true, true);
hookSpy = jasmine.createSpy('hook');
eventListenerSpy = jasmine.createSpy('eventListener');
});
function checkIsOnPropertiesPatched(target: any, ignoredProperties?: string[]) {
for (let prop in target) {
if (ignoredProperties &&
ignoredProperties.filter(ignoreProp => ignoreProp === prop).length > 0) {
continue;
}
if (prop.substr(0, 2) === 'on' && prop.length > 2) {
target[prop] = noop;
if (!target[Zone.__symbol__('ON_PROPERTY' + prop.substr(2))]) {
console.log('onProp is null:', prop);
} else {
target[prop] = null;
expect(!target[Zone.__symbol__('ON_PROPERTY' + prop.substr(2))]).toBeTruthy();
}
}
}
}
it('should patch all possbile on properties on element', function() {
const htmlElementTagNames: string[] = [
'a', 'area', 'audio', 'base', 'basefont', 'blockquote', 'br',
'button', 'canvas', 'caption', 'col', 'colgroup', 'data', 'datalist',
'del', 'dir', 'div', 'dl', 'embed', 'fieldset', 'font',
'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4',
'h5', 'h6', 'head', 'hr', 'html', 'iframe', 'img',
'input', 'ins', 'isindex', 'label', 'legend', 'li', 'link',
'listing', 'map', 'marquee', 'menu', 'meta', 'meter', 'nextid',
'ol', 'optgroup', 'option', 'output', 'p', 'param', 'picture',
'pre', 'progress', 'q', 'script', 'select', 'source', 'span',
'style', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot',
'th', 'thead', 'time', 'title', 'tr', 'track', 'ul',
'video'
];
htmlElementTagNames.forEach(tagName => {
checkIsOnPropertiesPatched(document.createElement(tagName), ['onorientationchange']);
});
});
it('should patch all possbile on properties on body', function() {
checkIsOnPropertiesPatched(document.body, ['onorientationchange']);
});
it('should patch all possbile on properties on Document', function() {
checkIsOnPropertiesPatched(document, ['onorientationchange']);
});
it('should patch all possbile on properties on Window', function() {
checkIsOnPropertiesPatched(window, [
'onvrdisplayactivate', 'onvrdisplayblur', 'onvrdisplayconnect',
'onvrdisplaydeactivate', 'onvrdisplaydisconnect', 'onvrdisplayfocus',
'onvrdisplaypointerrestricted', 'onvrdisplaypointerunrestricted',
'onorientationchange', 'onerror'
]);
});
it('should patch all possbile on properties on xhr', function() {
checkIsOnPropertiesPatched(new XMLHttpRequest());
});
it('should not patch ignored on properties', function() {
const TestTarget: any = (window as any)['TestTarget'];
patchFilteredProperties(
TestTarget.prototype, ['prop1', 'prop2'], global['__Zone_ignore_on_properties']);
const testTarget = new TestTarget();
Zone.current.fork({name: 'test'}).run(() => {
testTarget.onprop1 = function() {
// onprop1 should not be patched
expect(Zone.current.name).toEqual('test1');
};
testTarget.onprop2 = function() {
// onprop2 should be patched
expect(Zone.current.name).toEqual('test');
};
});
Zone.current.fork({name: 'test1'}).run(() => {
testTarget.dispatchEvent('prop1');
testTarget.dispatchEvent('prop2');
});
});
it('should not patch ignored eventListener', function() {
let scrollEvent = document.createEvent('Event');
scrollEvent.initEvent('scroll', true, true);
const zone = Zone.current.fork({name: 'run'});
const div = document.createElement('div');
document.body.appendChild(div);
Zone.current.fork({name: 'scroll'}).run(() => {
const listener = () => {
expect(Zone.current.name).toEqual(zone.name);
div.removeEventListener('scroll', listener);
};
div.addEventListener('scroll', listener);
});
zone.run(() => {
div.dispatchEvent(scrollEvent);
});
document.body.removeChild(div);
});
it('should be able to clear on handler added before load zone.js', function() {
const TestTarget: any = (window as any)['TestTarget'];
patchFilteredProperties(
TestTarget.prototype, ['prop3'], global['__Zone_ignore_on_properties']);
const testTarget = new TestTarget();
Zone.current.fork({name: 'test'}).run(() => {
expect(testTarget.onprop3).toBeTruthy();
const newProp3Handler = function() {};
testTarget.onprop3 = newProp3Handler;
expect(testTarget.onprop3).toBe(newProp3Handler);
testTarget.onprop3 = null;
expect(!testTarget.onprop3).toBeTruthy();
testTarget.onprop3 = function() {
// onprop1 should not be patched
expect(Zone.current.name).toEqual('test');
};
});
Zone.current.fork({name: 'test1'}).run(() => {
testTarget.dispatchEvent('prop3');
});
});
it('window onmousedown should be in zone',
ifEnvSupports(canPatchOnProperty(window, 'onmousedown'), function() {
zone.run(function() {
window.onmousedown = eventListenerSpy;
});
window.dispatchEvent(mouseEvent);
expect(hookSpy).toHaveBeenCalled();
expect(eventListenerSpy).toHaveBeenCalled();
window.removeEventListener('mousedown', eventListenerSpy);
expect((window as any)[zoneSymbol('ON_PROPERTYmousedown')])
.toEqual(eventListenerSpy);
window.onmousedown = null;
expect(!!(window as any)[zoneSymbol('ON_PROPERTYmousedown')]).toBeFalsy();
}));
it('window onresize should be patched',
ifEnvSupports(canPatchOnProperty(window, 'onmousedown'), function() {
window.onresize = eventListenerSpy;
const innerResizeProp: any = (window as any)[zoneSymbol('ON_PROPERTYresize')];
expect(innerResizeProp).toBeTruthy();
innerResizeProp();
expect(eventListenerSpy).toHaveBeenCalled();
window.removeEventListener('resize', eventListenerSpy);
expect((window as any)[zoneSymbol('ON_PROPERTYresize')]).toEqual(eventListenerSpy);
window.onresize = null;
expect(!!(window as any)[zoneSymbol('ON_PROPERTYresize')]).toBeFalsy();
}));
it('document onmousedown should be in zone',
ifEnvSupports(canPatchOnProperty(Document.prototype, 'onmousedown'), function() {
zone.run(function() {
document.onmousedown = eventListenerSpy;
});
document.dispatchEvent(mouseEvent);
expect(hookSpy).toHaveBeenCalled();
expect(eventListenerSpy).toHaveBeenCalled();
document.removeEventListener('mousedown', eventListenerSpy);
expect((document as any)[zoneSymbol('ON_PROPERTYmousedown')])
.toEqual(eventListenerSpy);
document.onmousedown = null;
expect(!!(document as any)[zoneSymbol('ON_PROPERTYmousedown')]).toBeFalsy();
}));
// TODO: JiaLiPassion, need to find out why the test bundle is not `use strict`.
xit('event handler with null context should use event.target',
ifEnvSupports(canPatchOnProperty(Document.prototype, 'onmousedown'), function() {
const ieVer = getIEVersion();
if (ieVer && ieVer === 9) {
// in ie9, this is window object even we call func.apply(undefined)
return;
}
const logs: string[] = [];
const EventTarget = (window as any)['EventTarget'];
let oriAddEventListener = EventTarget && EventTarget.prototype ?
(EventTarget.prototype as any)[zoneSymbol('addEventListener')] :
(HTMLSpanElement.prototype as any)[zoneSymbol('addEventListener')];
if (!oriAddEventListener) {
// no patched addEventListener found
return;
}
let handler1: Function;
let handler2: Function;
const listener = function() {
logs.push('listener1');
};
const listener1 = function() {
logs.push('listener2');
};
HTMLSpanElement.prototype.addEventListener = function(
eventName: string, callback: any) {
if (eventName === 'click') {
handler1 = callback;
} else if (eventName === 'mousedown') {
handler2 = callback;
}
return oriAddEventListener.apply(this, arguments);
};
(HTMLSpanElement.prototype as any)[zoneSymbol('addEventListener')] = null;
patchEventTarget(window, [HTMLSpanElement.prototype]);
const span = document.createElement('span');
document.body.appendChild(span);
zone.run(function() {
span.addEventListener('click', listener);
span.onmousedown = listener1;
});
expect(handler1!).toBe(handler2!);
handler1!.apply(null, [{type: 'click', target: span}]);
handler2!.apply(null, [{type: 'mousedown', target: span}]);
expect(hookSpy).toHaveBeenCalled();
expect(logs).toEqual(['listener1', 'listener2']);
document.body.removeChild(span);
if (EventTarget) {
(EventTarget.prototype as any)[zoneSymbol('addEventListener')] =
oriAddEventListener;
} else {
(HTMLSpanElement.prototype as any)[zoneSymbol('addEventListener')] =
oriAddEventListener;
}
}));
it('SVGElement onmousedown should be in zone',
ifEnvSupports(
canPatchOnProperty(SVGElement && SVGElement.prototype, 'onmousedown'), function() {
const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
document.body.appendChild(svg);
zone.run(function() {
svg.onmousedown = eventListenerSpy;
});
svg.dispatchEvent(mouseEvent);
expect(hookSpy).toHaveBeenCalled();
expect(eventListenerSpy).toHaveBeenCalled();
svg.removeEventListener('mouse', eventListenerSpy);
document.body.removeChild(svg);
}));
it('get window onerror should not throw error',
ifEnvSupports(canPatchOnProperty(window, 'onerror'), function() {
const testFn = function() {
let onerror = window.onerror;
window.onerror = function() {};
onerror = window.onerror;
};
expect(testFn).not.toThrow();
}));
it('window.onerror callback signiture should be (message, source, lineno, colno, error)',
ifEnvSupportsWithDone(canPatchOnProperty(window, 'onerror'), function(done: DoneFn) {
let testError = new Error('testError');
window.onerror = function(
message: any, source?: string, lineno?: number, colno?: number, error?: any) {
expect(message).toContain('testError');
if (getEdgeVersion() !== 14) {
// Edge 14, error will be undefined.
expect(error).toBe(testError);
}
(window as any).onerror = null;
setTimeout(done);
return true;
};
setTimeout(() => {
throw testError;
}, 100);
}));
}));
describe('eventListener hooks', function() {
let button: HTMLButtonElement;
let clickEvent: Event;
beforeEach(function() {
button = document.createElement('button');
clickEvent = document.createEvent('Event');
clickEvent.initEvent('click', true, true);
document.body.appendChild(button);
});
afterEach(function() {
document.body.removeChild(button);
});
it('should support addEventListener', function() {
const hookSpy = jasmine.createSpy('hook');
const eventListenerSpy = jasmine.createSpy('eventListener');
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(function() {
button.addEventListener('click', eventListenerSpy);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(eventListenerSpy).toHaveBeenCalled();
});
it('should be able to access addEventListener information in onScheduleTask', function() {
const hookSpy = jasmine.createSpy('hook');
const eventListenerSpy = jasmine.createSpy('eventListener');
let scheduleButton;
let scheduleEventName: string|undefined;
let scheduleCapture: boolean|undefined;
let scheduleTask;
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
scheduleButton = (task.data as any).taskData.target;
scheduleEventName = (task.data as any).taskData.eventName;
scheduleCapture = (task.data as any).taskData.capture;
scheduleTask = task;
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(function() {
button.addEventListener('click', eventListenerSpy);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(eventListenerSpy).toHaveBeenCalled();
expect(scheduleButton).toBe(button as any);
expect(scheduleEventName).toBe('click');
expect(scheduleCapture).toBe(false);
expect(scheduleTask && (scheduleTask as any).data.taskData).toBe(null as any);
});
it('should support addEventListener on window', ifEnvSupports(windowPrototype, function() {
const hookSpy = jasmine.createSpy('hook');
const eventListenerSpy = jasmine.createSpy('eventListener');
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(function() {
window.addEventListener('click', eventListenerSpy);
});
window.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(eventListenerSpy).toHaveBeenCalled();
}));
it('should support removeEventListener', function() {
const hookSpy = jasmine.createSpy('hook');
const eventListenerSpy = jasmine.createSpy('eventListener');
const zone = rootZone.fork({
name: 'spy',
onCancelTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.cancelTask(targetZone, task);
}
});
zone.run(function() {
button.addEventListener('click', eventListenerSpy);
button.removeEventListener('click', eventListenerSpy);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(eventListenerSpy).not.toHaveBeenCalled();
});
describe(
'should support addEventListener/removeEventListener with AddEventListenerOptions with capture setting',
ifEnvSupports(supportEventListenerOptions, function() {
let hookSpy: Spy;
let cancelSpy: Spy;
let logs: string[];
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone,
task: Task): any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
},
onCancelTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone,
task: Task): any => {
cancelSpy();
return parentZoneDelegate.cancelTask(targetZone, task);
}
});
const docListener = () => {
logs.push('document');
};
const btnListener = () => {
logs.push('button');
};
beforeEach(() => {
logs = [];
hookSpy = jasmine.createSpy('hook');
cancelSpy = jasmine.createSpy('cancel');
});
it('should handle child event when addEventListener with capture true', () => {
// test capture true
zone.run(function() {
(document as any).addEventListener('click', docListener, {capture: true});
button.addEventListener('click', btnListener);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs).toEqual(['document', 'button']);
logs = [];
(document as any).removeEventListener('click', docListener, {capture: true});
button.removeEventListener('click', btnListener);
expect(cancelSpy).toHaveBeenCalled();
button.dispatchEvent(clickEvent);
expect(logs).toEqual([]);
});
it('should handle child event when addEventListener with capture true', () => {
// test capture false
zone.run(function() {
(document as any).addEventListener('click', docListener, {capture: false});
button.addEventListener('click', btnListener);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs).toEqual(['button', 'document']);
logs = [];
(document as any).removeEventListener('click', docListener, {capture: false});
button.removeEventListener('click', btnListener);
expect(cancelSpy).toHaveBeenCalled();
button.dispatchEvent(clickEvent);
expect(logs).toEqual([]);
});
}));
describe(
'should ignore duplicate event handler',
ifEnvSupports(supportEventListenerOptions, function() {
let hookSpy: Spy;
let cancelSpy: Spy;
let logs: string[];
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone,
task: Task): any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
},
onCancelTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone,
task: Task): any => {
cancelSpy();
return parentZoneDelegate.cancelTask(targetZone, task);
}
});
const docListener = () => {
logs.push('document options');
};
beforeEach(() => {
logs = [];
hookSpy = jasmine.createSpy('hook');
cancelSpy = jasmine.createSpy('cancel');
});
const testDuplicate = function(args1?: any, args2?: any) {
zone.run(function() {
if (args1) {
(document as any).addEventListener('click', docListener, args1);
} else {
(document as any).addEventListener('click', docListener);
}
if (args2) {
(document as any).addEventListener('click', docListener, args2);
} else {
(document as any).addEventListener('click', docListener);
}
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs).toEqual(['document options']);
logs = [];
(document as any).removeEventListener('click', docListener, args1);
expect(cancelSpy).toHaveBeenCalled();
button.dispatchEvent(clickEvent);
expect(logs).toEqual([]);
};
it('should ignore duplicate handler', () => {
let captureFalse = [
undefined, false, {capture: false}, {capture: false, passive: false},
{passive: false}, {}
];
let captureTrue = [true, {capture: true}, {capture: true, passive: false}];
for (let i = 0; i < captureFalse.length; i++) {
for (let j = 0; j < captureFalse.length; j++) {
testDuplicate(captureFalse[i], captureFalse[j]);
}
}
for (let i = 0; i < captureTrue.length; i++) {
for (let j = 0; j < captureTrue.length; j++) {
testDuplicate(captureTrue[i], captureTrue[j]);
}
}
});
}));
describe(
'should support mix useCapture with AddEventListenerOptions capture',
ifEnvSupports(supportEventListenerOptions, function() {
let hookSpy: Spy;
let cancelSpy: Spy;
let logs: string[];
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone,
task: Task): any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
},
onCancelTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone,
task: Task): any => {
cancelSpy();
return parentZoneDelegate.cancelTask(targetZone, task);
}
});
const docListener = () => {
logs.push('document options');
};
const docListener1 = () => {
logs.push('document useCapture');
};
const btnListener = () => {
logs.push('button');
};
beforeEach(() => {
logs = [];
hookSpy = jasmine.createSpy('hook');
cancelSpy = jasmine.createSpy('cancel');
});
const testAddRemove = function(args1?: any, args2?: any) {
zone.run(function() {
if (args1) {
(document as any).addEventListener('click', docListener, args1);
} else {
(document as any).addEventListener('click', docListener);
}
if (args2) {
(document as any).removeEventListener('click', docListener, args2);
} else {
(document as any).removeEventListener('click', docListener);
}
});
button.dispatchEvent(clickEvent);
expect(cancelSpy).toHaveBeenCalled();
expect(logs).toEqual([]);
};
it('should be able to add/remove same handler with mix options and capture',
function() {
let captureFalse = [
undefined, false, {capture: false}, {capture: false, passive: false},
{passive: false}, {}
];
let captureTrue = [true, {capture: true}, {capture: true, passive: false}];
for (let i = 0; i < captureFalse.length; i++) {
for (let j = 0; j < captureFalse.length; j++) {
testAddRemove(captureFalse[i], captureFalse[j]);
}
}
for (let i = 0; i < captureTrue.length; i++) {
for (let j = 0; j < captureTrue.length; j++) {
testAddRemove(captureTrue[i], captureTrue[j]);
}
}
});
const testDifferent = function(args1?: any, args2?: any) {
zone.run(function() {
if (args1) {
(document as any).addEventListener('click', docListener, args1);
} else {
(document as any).addEventListener('click', docListener);
}
if (args2) {
(document as any).addEventListener('click', docListener1, args2);
} else {
(document as any).addEventListener('click', docListener1);
}
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs.sort()).toEqual(['document options', 'document useCapture']);
logs = [];
if (args1) {
(document as any).removeEventListener('click', docListener, args1);
} else {
(document as any).removeEventListener('click', docListener);
}
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['document useCapture']);
logs = [];
if (args2) {
(document as any).removeEventListener('click', docListener1, args2);
} else {
(document as any).removeEventListener('click', docListener1);
}
button.dispatchEvent(clickEvent);
expect(logs).toEqual([]);
};
it('should be able to add different handlers for same event', function() {
let captureFalse = [
undefined, false, {capture: false}, {capture: false, passive: false},
{passive: false}, {}
];
let captureTrue = [true, {capture: true}, {capture: true, passive: false}];
for (let i = 0; i < captureFalse.length; i++) {
for (let j = 0; j < captureTrue.length; j++) {
testDifferent(captureFalse[i], captureTrue[j]);
}
}
for (let i = 0; i < captureTrue.length; i++) {
for (let j = 0; j < captureFalse.length; j++) {
testDifferent(captureTrue[i], captureFalse[j]);
}
}
});
it('should handle options.capture true with capture true correctly', function() {
zone.run(function() {
(document as any).addEventListener('click', docListener, {capture: true});
document.addEventListener('click', docListener1, true);
button.addEventListener('click', btnListener);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs).toEqual(['document options', 'document useCapture', 'button']);
logs = [];
(document as any).removeEventListener('click', docListener, {capture: true});
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['document useCapture', 'button']);
logs = [];
document.removeEventListener('click', docListener1, true);
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['button']);
logs = [];
button.removeEventListener('click', btnListener);
expect(cancelSpy).toHaveBeenCalled();
button.dispatchEvent(clickEvent);
expect(logs).toEqual([]);
(document as any).removeAllListeners('click');
});
}));
it('should support addEventListener with AddEventListenerOptions once setting',
ifEnvSupports(supportEventListenerOptions, function() {
let hookSpy = jasmine.createSpy('hook');
let logs: string[] = [];
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(function() {
(button as any).addEventListener('click', function() {
logs.push('click');
}, {once: true});
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs.length).toBe(1);
expect(logs).toEqual(['click']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
}));
it('should support addEventListener with AddEventListenerOptions once setting and capture',
ifEnvSupports(supportEventListenerOptions, function() {
let hookSpy = jasmine.createSpy('hook');
let logs: string[] = [];
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(function() {
(button as any).addEventListener('click', function() {
logs.push('click');
}, {once: true, capture: true});
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs.length).toBe(1);
expect(logs).toEqual(['click']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
}));
it('should support add multipe listeners with AddEventListenerOptions once setting and same capture after normal listener',
ifEnvSupports(supportEventListenerOptions, function() {
let logs: string[] = [];
button.addEventListener('click', function() {
logs.push('click');
}, true);
(button as any).addEventListener('click', function() {
logs.push('once click');
}, {once: true, capture: true});
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['click', 'once click']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['click']);
}));
it('should support add multipe listeners with AddEventListenerOptions once setting and mixed capture after normal listener',
ifEnvSupports(supportEventListenerOptions, function() {
let logs: string[] = [];
button.addEventListener('click', function() {
logs.push('click');
});
(button as any).addEventListener('click', function() {
logs.push('once click');
}, {once: true, capture: true});
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['click', 'once click']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['click']);
}));
it('should support add multipe listeners with AddEventListenerOptions once setting before normal listener',
ifEnvSupports(supportEventListenerOptions, function() {
let logs: string[] = [];
(button as any).addEventListener('click', function() {
logs.push('once click');
}, {once: true});
button.addEventListener('click', function() {
logs.push('click');
});
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['once click', 'click']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['click']);
}));
it('should support add multipe listeners with AddEventListenerOptions once setting with same capture before normal listener',
ifEnvSupports(supportEventListenerOptions, function() {
let logs: string[] = [];
(button as any).addEventListener('click', function() {
logs.push('once click');
}, {once: true, capture: true});
button.addEventListener('click', function() {
logs.push('click');
}, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['once click', 'click']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['click']);
}));
it('should support add multipe listeners with AddEventListenerOptions once setting with mixed capture before normal listener',
ifEnvSupports(supportEventListenerOptions, function() {
let logs: string[] = [];
(button as any).addEventListener('click', function() {
logs.push('once click');
}, {once: true, capture: true});
button.addEventListener('click', function() {
logs.push('click');
});
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['once click', 'click']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['click']);
}));
it('should change options to boolean if not support passive', () => {
patchEventTarget(window, [TestEventListener.prototype]);
const testEventListener = new TestEventListener();
const listener = function() {};
testEventListener.addEventListener('test', listener, {passive: true});
testEventListener.addEventListener('test1', listener, {once: true});
testEventListener.addEventListener('test2', listener, {capture: true});
testEventListener.addEventListener('test3', listener, {passive: false});
testEventListener.addEventListener('test4', listener, {once: false});
testEventListener.addEventListener('test5', listener, {capture: false});
if (!supportsPassive) {
expect(testEventListener.logs).toEqual([false, false, true, false, false, false]);
} else {
expect(testEventListener.logs).toEqual([
{passive: true}, {once: true}, {capture: true}, {passive: false}, {once: false},
{capture: false}
]);
}
});
it('should change options to boolean if not support passive on HTMLElement', () => {
const logs: string[] = [];
const listener = (e: Event) => {
logs.push('clicked');
};
(button as any).addEventListener('click', listener, {once: true});
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['clicked']);
button.dispatchEvent(clickEvent);
if (supportsPassive) {
expect(logs).toEqual(['clicked']);
} else {
expect(logs).toEqual(['clicked', 'clicked']);
}
button.removeEventListener('click', listener);
});
it('should support addEventListener with AddEventListenerOptions passive setting',
ifEnvSupports(supportEventListenerOptions, function() {
const hookSpy = jasmine.createSpy('hook');
const logs: string[] = [];
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
const listener = (e: Event) => {
logs.push(e.defaultPrevented.toString());
e.preventDefault();
logs.push(e.defaultPrevented.toString());
};
zone.run(function() {
(button as any).addEventListener('click', listener, {passive: true});
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs).toEqual(['false', 'false']);
button.removeEventListener('click', listener);
}));
describe('passiveEvents by global settings', () => {
let logs: string[] = [];
const listener = (e: Event) => {
logs.push(e.defaultPrevented ? 'defaultPrevented' : 'default will run');
e.preventDefault();
logs.push(e.defaultPrevented ? 'defaultPrevented' : 'default will run');
};
const testPassive = function(eventName: string, expectedPassiveLog: string, options: any) {
(button as any).addEventListener(eventName, listener, options);
const evt = document.createEvent('Event');
evt.initEvent(eventName, false, true);
button.dispatchEvent(evt);
expect(logs).toEqual(['default will run', expectedPassiveLog]);
(button as any).removeAllListeners(eventName);
};
beforeEach(() => {
logs = [];
(button as any).removeAllListeners();
});
afterEach(() => {
(button as any).removeAllListeners();
});
it('should be passive with global variable defined', () => {
testPassive('touchstart', 'default will run', {passive: true});
});
it('should not be passive without global variable defined', () => {
testPassive('touchend', 'defaultPrevented', undefined);
});
it('should be passive with global variable defined even without passive options', () => {
testPassive('touchstart', 'default will run', undefined);
});
it('should be passive with global variable defined even without passive options and with capture',
() => {
testPassive('touchstart', 'default will run', {capture: true});
});
it('should be passive with global variable defined with capture option', () => {
testPassive('touchstart', 'default will run', true);
});
it('should not be passive with global variable defined with passive false option', () => {
testPassive('touchstart', 'defaultPrevented', {passive: false});
});
it('should be passive with global variable defined and also blacklisted', () => {
testPassive('scroll', 'default will run', undefined);
});
it('should not be passive without global variable defined and also blacklisted', () => {
testPassive('wheel', 'defaultPrevented', undefined);
});
});
it('should support Event.stopImmediatePropagation',
ifEnvSupports(supportEventListenerOptions, function() {
const hookSpy = jasmine.createSpy('hook');
const logs: any[] = [];
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
const listener1 = (e: Event) => {
logs.push('listener1');
e.stopImmediatePropagation();
};
const listener2 = (e: Event) => {
logs.push('listener2');
};
zone.run(function() {
(button as any).addEventListener('click', listener1);
(button as any).addEventListener('click', listener2);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).toHaveBeenCalled();
expect(logs).toEqual(['listener1']);
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener2);
}));
it('should support remove event listener by call zone.cancelTask directly', function() {
let logs: string[] = [];
let eventTask: Task;
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
eventTask = task;
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(() => {
button.addEventListener('click', function() {
logs.push('click');
});
});
let listeners = button.eventListeners!('click');
expect(listeners.length).toBe(1);
eventTask!.zone.cancelTask(eventTask!);
listeners = button.eventListeners!('click');
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
expect(listeners.length).toBe(0);
});
it('should support remove event listener by call zone.cancelTask directly with capture=true',
function() {
let logs: string[] = [];
let eventTask: Task;
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
eventTask = task;
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(() => {
button.addEventListener('click', function() {
logs.push('click');
}, true);
});
let listeners = button.eventListeners!('click');
expect(listeners.length).toBe(1);
eventTask!.zone.cancelTask(eventTask!);
listeners = button.eventListeners!('click');
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
expect(listeners.length).toBe(0);
});
it('should support remove event listeners by call zone.cancelTask directly with multiple listeners',
function() {
let logs: string[] = [];
let eventTask: Task;
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
eventTask = task;
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(() => {
button.addEventListener('click', function() {
logs.push('click1');
});
});
button.addEventListener('click', function() {
logs.push('click2');
});
let listeners = button.eventListeners!('click');
expect(listeners.length).toBe(2);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['click1', 'click2']);
eventTask!.zone.cancelTask(eventTask!);
logs = [];
listeners = button.eventListeners!('click');
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(listeners.length).toBe(1);
expect(logs).toEqual(['click2']);
});
it('should support remove event listeners by call zone.cancelTask directly with multiple listeners with same capture=true',
function() {
let logs: string[] = [];
let eventTask: Task;
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
eventTask = task;
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(() => {
button.addEventListener('click', function() {
logs.push('click1');
}, true);
});
button.addEventListener('click', function() {
logs.push('click2');
}, true);
let listeners = button.eventListeners!('click');
expect(listeners.length).toBe(2);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['click1', 'click2']);
eventTask!.zone.cancelTask(eventTask!);
logs = [];
listeners = button.eventListeners!('click');
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(listeners.length).toBe(1);
expect(logs).toEqual(['click2']);
});
it('should support remove event listeners by call zone.cancelTask directly with multiple listeners with mixed capture',
function() {
let logs: string[] = [];
let eventTask: Task;
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
eventTask = task;
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(() => {
button.addEventListener('click', function() {
logs.push('click1');
}, true);
});
button.addEventListener('click', function() {
logs.push('click2');
});
let listeners = button.eventListeners!('click');
expect(listeners.length).toBe(2);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['click1', 'click2']);
eventTask!.zone.cancelTask(eventTask!);
logs = [];
listeners = button.eventListeners!('click');
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(listeners.length).toBe(1);
expect(logs).toEqual(['click2']);
});
it('should support reschedule eventTask',
ifEnvSupports(supportEventListenerOptions, function() {
let hookSpy1 = jasmine.createSpy('spy1');
let hookSpy2 = jasmine.createSpy('spy2');
let hookSpy3 = jasmine.createSpy('spy3');
let logs: string[] = [];
const isBlacklistedEvent = function(source: string) {
return source.lastIndexOf('click') !== -1;
};
const zone1 = Zone.current.fork({
name: 'zone1',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
if ((task.type === 'eventTask' || task.type === 'macroTask') &&
isBlacklistedEvent(task.source)) {
task.cancelScheduleRequest();
return zone2.scheduleTask(task);
} else {
return parentZoneDelegate.scheduleTask(targetZone, task);
}
},
onInvokeTask(
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task,
applyThis: any, applyArgs: any) {
hookSpy1();
return parentZoneDelegate.invokeTask(targetZone, task, applyThis, applyArgs);
}
});
const zone2 = Zone.current.fork({
name: 'zone2',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy2();
return parentZoneDelegate.scheduleTask(targetZone, task);
},
onInvokeTask(
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task,
applyThis: any, applyArgs: any) {
hookSpy3();
return parentZoneDelegate.invokeTask(targetZone, task, applyThis, applyArgs);
}
});
const listener = function() {
logs.push(Zone.current.name);
};
zone1.run(() => {
button.addEventListener('click', listener);
button.addEventListener('mouseover', listener);
});
const clickEvent = document.createEvent('Event');
clickEvent.initEvent('click', true, true);
const mouseEvent = document.createEvent('Event');
mouseEvent.initEvent('mouseover', true, true);
button.dispatchEvent(clickEvent);
button.removeEventListener('click', listener);
expect(logs).toEqual(['zone2']);
expect(hookSpy1).not.toHaveBeenCalled();
expect(hookSpy2).toHaveBeenCalled();
expect(hookSpy3).toHaveBeenCalled();
logs = [];
hookSpy2 = jasmine.createSpy('hookSpy2');
hookSpy3 = jasmine.createSpy('hookSpy3');
button.dispatchEvent(mouseEvent);
button.removeEventListener('mouseover', listener);
expect(logs).toEqual(['zone1']);
expect(hookSpy1).toHaveBeenCalled();
expect(hookSpy2).not.toHaveBeenCalled();
expect(hookSpy3).not.toHaveBeenCalled();
}));
it('should support inline event handler attributes', function() {
const hookSpy = jasmine.createSpy('hook');
const zone = rootZone.fork({
name: 'spy',
onScheduleTask:
(parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
zone.run(function() {
button.setAttribute('onclick', 'return');
expect(button.onclick).not.toBe(null);
});
});
describe('should be able to remove eventListener during eventListener callback', function() {
it('should be able to remove eventListener during eventListener callback', function() {
let logs: string[] = [];
const listener1 = function() {
button.removeEventListener('click', listener1);
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener2', 'listener3']);
button.removeEventListener('click', listener2);
button.removeEventListener('click', listener3);
});
it('should be able to remove eventListener during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
button.removeEventListener('click', listener1, true);
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener2', 'listener3']);
button.removeEventListener('click', listener2, true);
button.removeEventListener('click', listener3, true);
});
it('should be able to remove handleEvent eventListener during eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener3);
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener2']);
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener2);
});
it('should be able to remove handleEvent eventListener during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener3, true);
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener2']);
button.removeEventListener('click', listener1, true);
button.removeEventListener('click', listener2, true);
});
it('should be able to remove multiple eventListeners during eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
button.removeEventListener('click', listener2);
button.removeEventListener('click', listener3);
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener1']);
button.removeEventListener('click', listener1);
});
it('should be able to remove multiple eventListeners during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
button.removeEventListener('click', listener2, true);
button.removeEventListener('click', listener3, true);
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener1']);
button.removeEventListener('click', listener1, true);
});
it('should be able to remove part of other eventListener during eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
button.removeEventListener('click', listener2);
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener3']);
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener3);
});
it('should be able to remove part of other eventListener during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
button.removeEventListener('click', listener2, true);
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener3']);
button.removeEventListener('click', listener1, true);
button.removeEventListener('click', listener3, true);
});
it('should be able to remove all beforeward and afterward eventListener during eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener3);
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener2']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener2']);
button.removeEventListener('click', listener2);
});
it('should be able to remove all beforeward and afterward eventListener during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
button.removeEventListener('click', listener1, true);
button.removeEventListener('click', listener3, true);
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener2']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener2']);
button.removeEventListener('click', listener2, true);
});
it('should be able to remove part of beforeward and afterward eventListener during eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener2);
button.removeEventListener('click', listener4);
}
};
const listener4 = function() {
logs.push('listener4');
};
const listener5 = function() {
logs.push('listener5');
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.addEventListener('click', listener4);
button.addEventListener('click', listener5);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(4);
expect(logs).toEqual(['listener1', 'listener2', 'listener3', 'listener5']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener3', 'listener5']);
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener3);
button.removeEventListener('click', listener5);
});
it('should be able to remove part of beforeward and afterward eventListener during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener2, true);
button.removeEventListener('click', listener4, true);
}
};
const listener4 = function() {
logs.push('listener4');
};
const listener5 = function() {
logs.push('listener5');
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.addEventListener('click', listener4, true);
button.addEventListener('click', listener5, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(4);
expect(logs).toEqual(['listener1', 'listener2', 'listener3', 'listener5']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener3', 'listener5']);
button.removeEventListener('click', listener1, true);
button.removeEventListener('click', listener3, true);
button.removeEventListener('click', listener5, true);
});
it('should be able to remove all beforeward eventListener during eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener2);
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener3']);
button.removeEventListener('click', listener3);
});
it('should be able to remove all beforeward eventListener during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener1, true);
button.removeEventListener('click', listener2, true);
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener3']);
button.removeEventListener('click', listener3, true);
});
it('should be able to remove part of beforeward eventListener during eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener1);
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener2', 'listener3']);
button.removeEventListener('click', listener2);
button.removeEventListener('click', listener3);
});
it('should be able to remove part of beforeward eventListener during eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeEventListener('click', listener1, true);
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener2', 'listener3']);
button.removeEventListener('click', listener2, true);
button.removeEventListener('click', listener3, true);
});
it('should be able to remove all eventListeners during first eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
button.removeAllListeners!('click');
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener1']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
});
it('should be able to remove all eventListeners during first eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
button.removeAllListeners!('click');
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(1);
expect(logs).toEqual(['listener1']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
});
it('should be able to remove all eventListeners during middle eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
button.removeAllListeners!('click');
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener2']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
});
it('should be able to remove all eventListeners during middle eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
button.removeAllListeners!('click');
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(2);
expect(logs).toEqual(['listener1', 'listener2']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
});
it('should be able to remove all eventListeners during last eventListener callback',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeAllListeners!('click');
}
};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
});
it('should be able to remove all eventListeners during last eventListener callback with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
button.removeAllListeners!('click');
}
};
button.addEventListener('click', listener1, true);
button.addEventListener('click', listener2, true);
button.addEventListener('click', listener3, true);
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(3);
expect(logs).toEqual(['listener1', 'listener2', 'listener3']);
logs = [];
button.dispatchEvent(clickEvent);
expect(logs.length).toBe(0);
});
});
it('should be able to get eventListeners of specified event form EventTarget', function() {
const listener1 = function() {};
const listener2 = function() {};
const listener3 = {handleEvent: function(event: Event) {}};
const listener4 = function() {};
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
button.addEventListener('click', listener3);
button.addEventListener('mouseover', listener4);
const listeners = button.eventListeners!('click');
expect(listeners.length).toBe(3);
expect(listeners).toEqual([listener1, listener2, listener3]);
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener2);
button.removeEventListener('click', listener3);
});
it('should be able to get all eventListeners form EventTarget without eventName', function() {
const listener1 = function() {};
const listener2 = function() {};
const listener3 = {handleEvent: function(event: Event) {}};
button.addEventListener('click', listener1);
button.addEventListener('mouseover', listener2);
button.addEventListener('mousehover', listener3);
const listeners = button.eventListeners!();
expect(listeners.length).toBe(3);
expect(listeners).toEqual([listener1, listener2, listener3]);
button.removeEventListener('click', listener1);
button.removeEventListener('mouseover', listener2);
button.removeEventListener('mousehover', listener3);
});
it('should be able to remove all listeners of specified event form EventTarget', function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
const listener4 = function() {
logs.push('listener4');
};
const listener5 = function() {
logs.push('listener5');
};
button.addEventListener('mouseover', listener1);
button.addEventListener('mouseover', listener2);
button.addEventListener('mouseover', listener3);
button.addEventListener('click', listener4);
button.onmouseover = listener5;
expect((button as any)[Zone.__symbol__('ON_PROPERTYmouseover')]).toEqual(listener5);
button.removeAllListeners!('mouseover');
const listeners = button.eventListeners!('mouseover');
expect(listeners.length).toBe(0);
expect((button as any)[Zone.__symbol__('ON_PROPERTYmouseover')]).toBeNull();
expect(!!button.onmouseover).toBeFalsy();
const mouseEvent = document.createEvent('Event');
mouseEvent.initEvent('mouseover', true, true);
button.dispatchEvent(mouseEvent);
expect(logs).toEqual([]);
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['listener4']);
button.removeEventListener('click', listener4);
});
it('should be able to remove all listeners of specified event form EventTarget with capture=true',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
const listener4 = function() {
logs.push('listener4');
};
button.addEventListener('mouseover', listener1, true);
button.addEventListener('mouseover', listener2, true);
button.addEventListener('mouseover', listener3, true);
button.addEventListener('click', listener4, true);
button.removeAllListeners!('mouseover');
const listeners = button.eventListeners!('mouseover');
expect(listeners.length).toBe(0);
const mouseEvent = document.createEvent('Event');
mouseEvent.initEvent('mouseover', true, true);
button.dispatchEvent(mouseEvent);
expect(logs).toEqual([]);
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['listener4']);
button.removeEventListener('click', listener4);
});
it('should be able to remove all listeners of specified event form EventTarget with mixed capture',
function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
const listener4 = function() {
logs.push('listener4');
};
button.addEventListener('mouseover', listener1, true);
button.addEventListener('mouseover', listener2, false);
button.addEventListener('mouseover', listener3, true);
button.addEventListener('click', listener4, true);
button.removeAllListeners!('mouseover');
const listeners = button.eventListeners!('mouseove');
expect(listeners.length).toBe(0);
const mouseEvent = document.createEvent('Event');
mouseEvent.initEvent('mouseover', true, true);
button.dispatchEvent(mouseEvent);
expect(logs).toEqual([]);
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['listener4']);
button.removeEventListener('click', listener4);
});
it('should be able to remove all listeners of all events form EventTarget', function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
const listener4 = function() {
logs.push('listener4');
};
const listener5 = function() {
logs.push('listener5');
};
button.addEventListener('mouseover', listener1);
button.addEventListener('mouseover', listener2);
button.addEventListener('mouseover', listener3);
button.addEventListener('click', listener4);
button.onmouseover = listener5;
expect((button as any)[Zone.__symbol__('ON_PROPERTYmouseover')]).toEqual(listener5);
button.removeAllListeners!();
const listeners = button.eventListeners!('mouseover');
expect(listeners.length).toBe(0);
expect((button as any)[Zone.__symbol__('ON_PROPERTYmouseover')]).toBeNull();
expect(!!button.onmouseover).toBeFalsy();
const mouseEvent = document.createEvent('Event');
mouseEvent.initEvent('mouseover', true, true);
button.dispatchEvent(mouseEvent);
expect(logs).toEqual([]);
button.dispatchEvent(clickEvent);
expect(logs).toEqual([]);
});
it('should be able to remove listener which was added outside of zone ', function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
const listener4 = function() {
logs.push('listener4');
};
button.addEventListener('mouseover', listener1);
(button as any)[Zone.__symbol__('addEventListener')]('mouseover', listener2);
button.addEventListener('click', listener3);
(button as any)[Zone.__symbol__('addEventListener')]('click', listener4);
button.removeEventListener('mouseover', listener1);
button.removeEventListener('mouseover', listener2);
button.removeEventListener('click', listener3);
button.removeEventListener('click', listener4);
const listeners = button.eventListeners!('mouseover');
expect(listeners.length).toBe(0);
const mouseEvent = document.createEvent('Event');
mouseEvent.initEvent('mouseover', true, true);
button.dispatchEvent(mouseEvent);
expect(logs).toEqual([]);
button.dispatchEvent(clickEvent);
expect(logs).toEqual([]);
});
it('should be able to remove all listeners which were added inside of zone ', function() {
let logs: string[] = [];
const listener1 = function() {
logs.push('listener1');
};
const listener2 = function() {
logs.push('listener2');
};
const listener3 = {
handleEvent: function(event: Event) {
logs.push('listener3');
}
};
const listener4 = function() {
logs.push('listener4');
};
button.addEventListener('mouseover', listener1);
(button as any)[Zone.__symbol__('addEventListener')]('mouseover', listener2);
button.addEventListener('click', listener3);
(button as any)[Zone.__symbol__('addEventListener')]('click', listener4);
button.removeAllListeners!();
const listeners = button.eventListeners!('mouseover');
expect(listeners.length).toBe(0);
const mouseEvent = document.createEvent('Event');
mouseEvent.initEvent('mouseover', true, true);
button.dispatchEvent(mouseEvent);
expect(logs).toEqual(['listener2']);
button.dispatchEvent(clickEvent);
expect(logs).toEqual(['listener2', 'listener4']);
});
it('should bypass addEventListener of FunctionWrapper and __BROWSERTOOLS_CONSOLE_SAFEFUNC of IE/Edge',
ifEnvSupports(ieOrEdge, function() {
const hookSpy = jasmine.createSpy('hook');
const zone = rootZone.fork({
name: 'spy',
onScheduleTask: (
parentZoneDelegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task):
any => {
hookSpy();
return parentZoneDelegate.scheduleTask(targetZone, task);
}
});
let logs: string[] = [];
const listener1 = function() {
logs.push(Zone.current.name);
};
(listener1 as any).toString = function() {
return '[object FunctionWrapper]';
};
const listener2 = function() {
logs.push(Zone.current.name);
};
(listener2 as any).toString = function() {
return 'function __BROWSERTOOLS_CONSOLE_SAFEFUNC() { [native code] }';
};
zone.run(() => {
button.addEventListener('click', listener1);
button.addEventListener('click', listener2);
});
button.dispatchEvent(clickEvent);
expect(hookSpy).not.toHaveBeenCalled();
expect(logs).toEqual(['ProxyZone', 'ProxyZone']);
logs = [];
button.removeEventListener('click', listener1);
button.removeEventListener('click', listener2);
button.dispatchEvent(clickEvent);
expect(hookSpy).not.toHaveBeenCalled();
expect(logs).toEqual([]);
}));
});
describe('unhandle promise rejection', () => {
const AsyncTestZoneSpec = (Zone as any)['AsyncTestZoneSpec'];
const asyncTest = function(testFn: Function) {
return (done: Function) => {
let asyncTestZone: Zone =
Zone.current.fork(new AsyncTestZoneSpec(done, (error: Error) => {
fail(error);
}, 'asyncTest'));
asyncTestZone.run(testFn);
};
};
it('should support window.addEventListener(unhandledrejection)', asyncTest(() => {
if (!promiseUnhandleRejectionSupport()) {
return;
}
(Zone as any)[zoneSymbol('ignoreConsoleErrorUncaughtError')] = true;
Zone.root.fork({name: 'promise'}).run(function() {
const listener = (evt: any) => {
window.removeEventListener('unhandledrejection', listener);
expect(evt.type).toEqual('unhandledrejection');
expect(evt.promise.constructor.name).toEqual('Promise');
expect(evt.reason.message).toBe('promise error');
};
window.addEventListener('unhandledrejection', listener);
new Promise((resolve, reject) => {
throw new Error('promise error');
});
});
}));
it('should support window.addEventListener(rejectionhandled)', asyncTest(() => {
if (!promiseUnhandleRejectionSupport()) {
return;
}
(Zone as any)[zoneSymbol('ignoreConsoleErrorUncaughtError')] = true;
Zone.root.fork({name: 'promise'}).run(function() {
const listener = (evt: any) => {
window.removeEventListener('unhandledrejection', listener);
p.catch(reason => {});
};
window.addEventListener('unhandledrejection', listener);
const handledListener = (evt: any) => {
window.removeEventListener('rejectionhandled', handledListener);
expect(evt.type).toEqual('rejectionhandled');
expect(evt.promise.constructor.name).toEqual('Promise');
expect(evt.reason.message).toBe('promise error');
};
window.addEventListener('rejectionhandled', handledListener);
const p = new Promise((resolve, reject) => {
throw new Error('promise error');
});
});
}));
it('should support multiple window.addEventListener(unhandledrejection)', asyncTest(() => {
if (!promiseUnhandleRejectionSupport()) {
return;
}
(Zone as any)[zoneSymbol('ignoreConsoleErrorUncaughtError')] = true;
Zone.root.fork({name: 'promise'}).run(function() {
const listener1 = (evt: any) => {
window.removeEventListener('unhandledrejection', listener1);
expect(evt.type).toEqual('unhandledrejection');
expect(evt.promise.constructor.name).toEqual('Promise');
expect(evt.reason.message).toBe('promise error');
};
const listener2 = (evt: any) => {
window.removeEventListener('unhandledrejection', listener2);
expect(evt.type).toEqual('unhandledrejection');
expect(evt.promise.constructor.name).toEqual('Promise');
expect(evt.reason.message).toBe('promise error');
};
window.addEventListener('unhandledrejection', listener1);
window.addEventListener('unhandledrejection', listener2);
new Promise((resolve, reject) => {
throw new Error('promise error');
});
});
}));
});
// @JiaLiPassion, Edge 15, the behavior is not the same with Chrome
// wait for fix.
xit('IntersectionObserver should run callback in zone',
ifEnvSupportsWithDone('IntersectionObserver', (done: Function) => {
const div = document.createElement('div');
document.body.appendChild(div);
const options: any = {threshold: 0.5};
const zone = Zone.current.fork({name: 'intersectionObserverZone'});
zone.run(() => {
const observer = new IntersectionObserver(() => {
expect(Zone.current.name).toEqual(zone.name);
observer.unobserve(div);
done();
}, options);
observer.observe(div);
});
div.style.display = 'none';
div.style.visibility = 'block';
}));
it('HTMLCanvasElement.toBlob should be a ZoneAware MacroTask',
ifEnvSupportsWithDone(supportCanvasTest, (done: Function) => {
const canvas = document.createElement('canvas');
const d = canvas.width;
const ctx = canvas.getContext('2d')!;
ctx.beginPath();
ctx.moveTo(d / 2, 0);
ctx.lineTo(d, d);
ctx.lineTo(0, d);
ctx.closePath();
ctx.fillStyle = 'yellow';
ctx.fill();
const scheduleSpy = jasmine.createSpy('scheduleSpy');
const zone: Zone = Zone.current.fork({
name: 'canvas',
onScheduleTask:
(delegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, task: Task) => {
scheduleSpy();
return delegate.scheduleTask(targetZone, task);
}
});
zone.run(() => {
const canvasData = canvas.toDataURL();
canvas.toBlob(function(blob) {
expect(Zone.current.name).toEqual('canvas');
expect(scheduleSpy).toHaveBeenCalled();
const reader = new FileReader();
reader.readAsDataURL(blob!);
reader.onloadend = function() {
const base64data = reader.result;
expect(base64data).toEqual(canvasData);
done();
};
});
});
}));
describe(
'ResizeObserver', ifEnvSupports('ResizeObserver', () => {
it('ResizeObserver callback should be in zone', (done) => {
const ResizeObserver = (window as any)['ResizeObserver'];
const div = document.createElement('div');
const zone = Zone.current.fork({name: 'observer'});
const observer = new ResizeObserver((entries: any, ob: any) => {
expect(Zone.current.name).toEqual(zone.name);
expect(entries.length).toBe(1);
expect(entries[0].target).toBe(div);
done();
});
zone.run(() => {
observer.observe(div);
});
document.body.appendChild(div);
});
it('ResizeObserver callback should be able to in different zones which when they were observed',
(done) => {
const ResizeObserver = (window as any)['ResizeObserver'];
const div1 = document.createElement('div');
const div2 = document.createElement('div');
const zone = Zone.current.fork({name: 'observer'});
let count = 0;
const observer = new ResizeObserver((entries: any, ob: any) => {
entries.forEach((entry: any) => {
if (entry.target === div1) {
expect(Zone.current.name).toEqual(zone.name);
} else {
expect(Zone.current.name).toEqual('<root>');
}
});
count++;
if (count === 2) {
done();
}
});
zone.run(() => {
observer.observe(div1);
});
Zone.root.run(() => {
observer.observe(div2);
});
document.body.appendChild(div1);
document.body.appendChild(div2);
});
}));
xdescribe('getUserMedia', () => {
it('navigator.mediaDevices.getUserMedia should in zone',
ifEnvSupportsWithDone(
() => {
return !isEdge() && navigator && navigator.mediaDevices &&
typeof navigator.mediaDevices.getUserMedia === 'function';
},
(done: Function) => {
const zone = Zone.current.fork({name: 'media'});
zone.run(() => {
const constraints = {audio: true, video: {width: 1280, height: 720}};
navigator.mediaDevices.getUserMedia(constraints)
.then(function(mediaStream) {
expect(Zone.current.name).toEqual(zone.name);
done();
})
.catch(function(err) {
console.log(err.name + ': ' + err.message);
expect(Zone.current.name).toEqual(zone.name);
done();
});
});
}));
it('navigator.getUserMedia should in zone',
ifEnvSupportsWithDone(
() => {
return !isEdge() && navigator && typeof navigator.getUserMedia === 'function';
},
(done: Function) => {
const zone = Zone.current.fork({name: 'media'});
zone.run(() => {
const constraints = {audio: true, video: {width: 1280, height: 720}};
navigator.getUserMedia(
constraints,
() => {
expect(Zone.current.name).toEqual(zone.name);
done();
},
() => {
expect(Zone.current.name).toEqual(zone.name);
done();
});
});
}));
});
});
describe(
'pointer event in IE',
ifEnvSupports(
() => {
return getIEVersion() === 11;
},
() => {
const pointerEventsMap: {[key: string]: string} = {
'MSPointerCancel': 'pointercancel',
'MSPointerDown': 'pointerdown',
'MSPointerEnter': 'pointerenter',
'MSPointerHover': 'pointerhover',
'MSPointerLeave': 'pointerleave',
'MSPointerMove': 'pointermove',
'MSPointerOut': 'pointerout',
'MSPointerOver': 'pointerover',
'MSPointerUp': 'pointerup'
};
let div: HTMLDivElement;
beforeEach(() => {
div = document.createElement('div');
document.body.appendChild(div);
});
afterEach(() => {
document.body.removeChild(div);
});
Object.keys(pointerEventsMap).forEach(key => {
it(`${key} and ${pointerEventsMap[key]} should both be triggered`, (done: DoneFn) => {
const logs: string[] = [];
div.addEventListener(key, (event: any) => {
expect(event.type).toEqual(pointerEventsMap[key]);
logs.push(`${key} triggered`);
});
div.addEventListener(pointerEventsMap[key], (event: any) => {
expect(event.type).toEqual(pointerEventsMap[key]);
logs.push(`${pointerEventsMap[key]} triggered`);
});
const evt1 = document.createEvent('Event');
evt1.initEvent(key, true, true);
div.dispatchEvent(evt1);
setTimeout(() => {
expect(logs).toEqual([`${key} triggered`, `${pointerEventsMap[key]} triggered`]);
});
const evt2 = document.createEvent('Event');
evt2.initEvent(pointerEventsMap[key], true, true);
div.dispatchEvent(evt2);
setTimeout(() => {
expect(logs).toEqual([`${key} triggered`, `${pointerEventsMap[key]} triggered`]);
});
setTimeout(done);
});
it(`${key} and ${
pointerEventsMap[key]} with same listener should not be triggered twice`,
(done: DoneFn) => {
const logs: string[] = [];
const listener = function(event: any) {
expect(event.type).toEqual(pointerEventsMap[key]);
logs.push(`${key} triggered`);
};
div.addEventListener(key, listener);
div.addEventListener(pointerEventsMap[key], listener);
const evt1 = document.createEvent('Event');
evt1.initEvent(key, true, true);
div.dispatchEvent(evt1);
setTimeout(() => {
expect(logs).toEqual([`${key} triggered`]);
});
const evt2 = document.createEvent('Event');
evt2.initEvent(pointerEventsMap[key], true, true);
div.dispatchEvent(evt2);
setTimeout(() => {
expect(logs).toEqual([`${pointerEventsMap[key]} triggered`]);
});
setTimeout(done);
});
it(`${key} and ${
pointerEventsMap[key]} should be able to be removed with removeEventListener`,
(done: DoneFn) => {
const logs: string[] = [];
const listener1 = function(event: any) {
logs.push(`${key} triggered`);
};
const listener2 = function(event: any) {
logs.push(`${pointerEventsMap[key]} triggered`);
};
div.addEventListener(key, listener1);
div.addEventListener(pointerEventsMap[key], listener2);
div.removeEventListener(key, listener1);
div.removeEventListener(key, listener2);
const evt1 = document.createEvent('Event');
evt1.initEvent(key, true, true);
div.dispatchEvent(evt1);
setTimeout(() => {
expect(logs).toEqual([]);
});
const evt2 = document.createEvent('Event');
evt2.initEvent(pointerEventsMap[key], true, true);
div.dispatchEvent(evt2);
setTimeout(() => {
expect(logs).toEqual([]);
});
div.addEventListener(key, listener1);
div.addEventListener(pointerEventsMap[key], listener2);
div.removeEventListener(pointerEventsMap[key], listener1);
div.removeEventListener(pointerEventsMap[key], listener2);
div.dispatchEvent(evt1);
setTimeout(() => {
expect(logs).toEqual([]);
});
div.dispatchEvent(evt2);
setTimeout(() => {
expect(logs).toEqual([]);
});
setTimeout(done);
});
});
}));
});
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