Function slideToValue

src/material/slider/slider.spec.ts:2108–2121

Slides the MatSlider's thumb to the given value.

(slider: MatSlider, input: MatSliderThumb, value: number)

/** Slides the MatSlider's thumb to the given value. */
async function slideToValue(slider: MatSlider, input: MatSliderThumb, value: number) {
  const sliderElement = slider._elementRef.nativeElement;
  const {x: startX, y: startY} = getCoordsForValue(slider, input.value);
  const {x: endX, y: endY} = getCoordsForValue(slider, value);

  dispatchPointerEvent(sliderElement, 'pointerdown', startX, startY);
  input.focus();
  dispatchPointerEvent(sliderElement, 'pointermove', endX, endY);
  input._hostElement.value = `${value}`;
  dispatchEvent(input._hostElement, new Event('input'));
  dispatchPointerEvent(sliderElement, 'pointerup', endX, endY);
  dispatchEvent(input._hostElement, new Event('change'));
  await new Promise(r => setTimeout(r, 0));
}

/** Returns the x and y coordinates for the given slider value. */
function getCoordsForValue(slider: MatSlider, value: number): Point {