Function resizeCol

packages/react-aria/test/table/ariaTableResizing.test.tsx:38–51

(tree, col, delta)

}

function resizeCol(tree, col, delta) {
  act(() => {
    setInteractionModality('pointer');
  });
  let column = getColumn(tree, col);
  let resizer = within(column).getByRole('slider');

  fireEvent.pointerEnter(resizer);

  // actual locations do not matter, the delta matters between events for the calculation of useMove
  fireEvent.pointerDown(resizer, {pointerType: 'mouse', pointerId: 1, pageX: 0, pageY: 30});
  fireEvent.pointerMove(resizer, {pointerType: 'mouse', pointerId: 1, pageX: delta, pageY: 25});
  fireEvent.pointerUp(resizer, {pointerType: 'mouse', pointerId: 1});
}

function resizeTable(clientWidth, newValue) {
  clientWidth.mockImplementation(() => newValue);