Function checkCellElem

test/unit/add-remove-cells.js:22–29

( cellElem, index, message )

  var sliderElem = elem.querySelector('.flickity-slider');

  function checkCellElem( cellElem, index, message ) {
    assert.equal( sliderElem.children[ index ], cellElem,
        message + ' cell element in DOM correct' );
    assert.equal( flkty.cells[ index ].element, cellElem,
        message + ' element added as cell' );
    assert.ok( isPositionApprox( cellElem.style.left, index * 25 ),
        ' element positioned' );
  }

  // prepend cell element
  var cellElem = makeCellElem();