Function pointerenter

src/material/slider/slider.spec.ts:648–650

()

    }

    function pointerenter() {
      dispatchPointerEvent(input._hostElement, 'pointermove', thumbX, thumbY);
    }

    function pointerleave() {
      dispatchPointerEvent(input._hostElement, 'pointermove', thumbX + 1000, thumbY);