109 lines
3.0 KiB
TypeScript
109 lines
3.0 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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describe('Microtasks', function() {
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if (!global.Promise) return;
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function scheduleFn(task: Task) {
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Promise.resolve().then(<any>task.invoke);
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}
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it('should execute microtasks enqueued in the root zone', function(done) {
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const log: number[] = [];
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Zone.current.scheduleMicroTask('test', () => log.push(1), undefined, scheduleFn);
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Zone.current.scheduleMicroTask('test', () => log.push(2), undefined, scheduleFn);
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Zone.current.scheduleMicroTask('test', () => log.push(3), undefined, scheduleFn);
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setTimeout(function() {
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expect(log).toEqual([1, 2, 3]);
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done();
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}, 10);
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});
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it('should correctly scheduleMacroTask microtasks vs macrotasks', function(done) {
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const log = ['+root'];
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Zone.current.scheduleMicroTask('test', () => log.push('root.mit'), undefined, scheduleFn);
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setTimeout(function() {
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log.push('+mat1');
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Zone.current.scheduleMicroTask('test', () => log.push('mat1.mit'), undefined, scheduleFn);
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log.push('-mat1');
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}, 10);
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setTimeout(function() {
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log.push('mat2');
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}, 30);
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setTimeout(function() {
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expect(log).toEqual(['+root', '-root', 'root.mit', '+mat1', '-mat1', 'mat1.mit', 'mat2']);
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done();
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}, 40);
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log.push('-root');
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});
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it('should execute Promise wrapCallback in the zone where they are scheduled', function(done) {
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const resolvedPromise = Promise.resolve(null);
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const testZone = Zone.current.fork({name: ''});
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testZone.run(function() {
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resolvedPromise.then(function() {
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expect(Zone.current.name).toBe(testZone.name);
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done();
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});
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});
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});
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it('should execute Promise wrapCallback in the zone where they are scheduled even if resolved ' +
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'in different zone.',
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function(done) {
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let resolve: Function;
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const promise = new Promise(function(rs) {
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resolve = rs;
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});
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const testZone = Zone.current.fork({name: 'test'});
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testZone.run(function() {
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promise.then(function() {
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expect(Zone.current).toBe(testZone);
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done();
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});
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});
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Zone.current.fork({name: 'test'}).run(function() {
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resolve(null);
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});
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});
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describe('Promise', function() {
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it('should go through scheduleTask', function(done) {
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let called = false;
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const testZone = Zone.current.fork({
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name: 'test',
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onScheduleTask: function(delegate: ZoneDelegate, current: Zone, target: Zone, task: Task):
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Task {
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called = true;
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delegate.scheduleTask(target, task);
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return task;
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}
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});
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testZone.run(function() {
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Promise.resolve('value').then(function() {
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expect(called).toEqual(true);
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done();
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});
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});
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});
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});
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});
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