Function detectChanges

packages/core/test/acceptance/change_detection_spec.ts:1641–1641

(f: ComponentFixture<any>)

    function createOnPushMarkForCheckTests(checkNoChanges: boolean) {
      const detectChanges = (f: ComponentFixture<any>) => f.detectChanges(checkNoChanges);

      // 1. ngAfterViewInit and ngAfterViewChecked lifecycle hooks run after "OnPushComp" has
      //    been refreshed. They can mark the component as dirty. Meaning that the "OnPushComp"