import {ChangeDetectorRef} from '@angular/core/src/change_detection/change_detection'; import {ElementRef} from '@angular/core'; import {DomAdapter} from '@angular/platform-browser/src/dom/dom_adapter'; import {SpyObject} from '@angular/core/testing/testing_internal'; export class SpyChangeDetectorRef extends SpyObject { constructor() { super(ChangeDetectorRef); this.spy('detectChanges'); this.spy('checkNoChanges'); } } export class SpyIterableDifferFactory extends SpyObject {} export class SpyElementRef extends SpyObject { constructor() { super(ElementRef); } } export class SpyDomAdapter extends SpyObject { constructor() { super(DomAdapter); } }