function mouseZoomOut(ticks) {
  assertGT(ticks, 0);
  var oldScale = graphView().scale_;
  var oldRange = scrollbar().getRange();

  mouseZoom(-ticks);

  expectGT(graphView().scale_, oldScale);
  expectLE(scrollbar().getRange(), oldRange);
}
/**
 * Simulates moving the mouse wheel down.
 * @param {number} ticks Number of mouse wheel ticks to simulate.
 */
Simulates moving the mouse wheel down.
@param {number} ticks Number of mouse wheel ticks to simulate.
Simulates moving the mouse wheel down . @param { number } ticks Number of mouse wheel ticks to simulate .
function mouseZoomOut(ticks) {
  assertGT(ticks, 0);
  var oldScale = graphView().scale_;
  var oldRange = scrollbar().getRange();
  mouseZoom(-ticks);
  expectGT(graphView().scale_, oldScale);
  expectLE(scrollbar().getRange(), oldRange);
}
function mouseZoomOut ( ticks ) { assertGT ( ticks , 0 ) ; var oldScale = graphView ( ) . scale_ ; var oldRange = scrollbar ( ) . getRange ( ) ; mouseZoom ( - ticks ) ; expectGT ( graphView ( ) . scale_ , oldScale ) ; expectLE ( scrollbar ( ) . getRange ( ) , oldRange ) ; }
Simulates moving the mouse wheel down.
Simulates moving the mouse wheel down .