Function startDraggingViaTouch

src/cdk/drag-drop/directives/test-utils.spec.ts:115–121

(fixture: ComponentFixture<any>, element: Element)

 * @param element Element which is being dragged.
 */
export function startDraggingViaTouch(fixture: ComponentFixture<any>, element: Element) {
  dispatchTouchEvent(element, 'touchstart');
  fixture.detectChanges();

  dispatchTouchEvent(document, 'touchmove');
  fixture.detectChanges();
}

/**
 * @param fixture Fixture on which to run change detection.