Class Cmp

packages/platform-browser/animations/test/animation_renderer_spec.ts:163–182

      it('should flush and fire callbacks when the zone becomes stable', (async) => {
        @Component({
          selector: 'my-cmp',
          template: '<div [@myAnimation]="exp" (@myAnimation.start)="onStart($event)"></div>',
          animations: [
            trigger('myAnimation', [
              transition('* => state', [
                style({'opacity': '0'}),
                animate(500, style({'opacity': '1'})),
              ]),
            ]),
          ],
          standalone: false,
        })
        class Cmp {
          exp: any;
          event: any;
          onStart(event: any) {
            this.event = event;
          }
        }

        TestBed.configureTestingModule({
          providers: [{provide: AnimationEngine, useClass: InjectableAnimationEngine}],