public void TestViewportController_ZoomForcesViewportToExceedMinPermittedZoomIn_ViewportDoesNotExceedMinPermittedZoomIn()
{
GoToUrl();
double zoomFactor = ExecuteScriptGetNumber(@"return window.zoomLevelFactor;");
dynamic timelines = ExecuteScript("return window.deeperZoomConstraints;");
for (int i = 0; i < timelines.Count; i++)
{
/* Arrange
* Set up the viewport such that a zoom gesture
* forces the viewport to exceed the minimum zoomin level.
*/
Driver.Navigate().Refresh();
IWebElement vcElem = Driver.FindElement(By.Id("vc"));
dynamic timeline = timelines[i];
double left = timeline["left"];
double right = timeline["right"];
double minScale = timeline["scale"];
double aboveMinScale = minScale * zoomFactor;
// for all scale in [minScale, aboveMinScale) => scale / zoomFactor < minScale
Random rnd = new Random();
double scale = minScale + rnd.NextDouble() * (aboveMinScale - minScale);
var vc = new VirtualCanvasComponent(Driver);
vc.SetVisible(new JsVisible((left + right) / 2, 0, scale));
vc.UpdateViewport();
/* Act
* ZoomIn.
*/
ActionsExtension act = new ActionsExtension(Driver);
act.MoveToElement(vcElem, 10, 10);
act.DoubleClick();
act.Perform();
vc.WaitAnimation();
/* Assert
* Verify that the viewport after zooming doesn't
* exceed the minimum zoomin level.
*/
var vp = vc.GetViewport();
Assert.IsTrue(vp.Scale >= minScale);
}
}
public void TestViewportController_PanForcesViewportToExceedLeftBorder_ViewportDoesNotExceedLeftBorder()
{
/* Arrange
* Set up the viewport such that a pan of width
* forces the viewport to exceed the left border.
*/
GoToUrl();
IWebElement vcElem = Driver.FindElement(By.Id("vc"));
double widthInSc = vcElem.Size.Width - 2; // border of 1 px on each side
double widthInVc = 1.37 * Ga;
double scale = widthInVc / widthInSc; // 1/10 the age of the universe
double minLeftCenterX = ExecuteScriptGetNumber(@"return window.maxPermitedTimeRange.left;");
var vc = new VirtualCanvasComponent(Driver);
vc.SetVisible(new JsVisible(-13 * Ga, 0, scale));
vc.UpdateViewport();
/* Act
* Pan by width to the right.
*/
Vector pan = new Vector(widthInSc, 0);
ActionsExtension act = new ActionsExtension(Driver);
act.MoveToElement(vcElem, 0, 0);
act.ClickAndHold();
act.MoveByOffset(Convert.ToInt32(pan.X), Convert.ToInt32(pan.Y));
act.Release();
act.Perform();
vc.WaitAnimation();
/* Without the horizontal contraints the viewport centerX will exceed minLeftCenterX
* after a pan of width as (-13Ga + -1.37Ga < 13.7Ga).
* With the contraints in place viewport centerX is limited to minLeftCenterX.
*/
/* Assert
* Verify that the viewport centerX after
* panning doesn't exceed the minLeftCenterX.
*/
var vp = vc.GetViewport();
double vpCenterX = vp.CenterX;
Assert.AreEqual(minLeftCenterX, vpCenterX, 5);
}
public void TestViewportController_ZoomForcesViewportToExceedMaxPermittedZoomOut_ViewportDoesNotExceedMaxPermittedZoomOut()
{
/* Arrange
* Set up the viewport such that a zoom gesture
* forces the viewport to exceed maximum zoomout level.
*/
GoToUrl();
IWebElement vcElem = Driver.FindElement(By.Id("vc"));
double width = vcElem.Size.Width - 2; // border of 1 px on each side
double additionalPermitedPixels = ExecuteScriptGetNumber(@"return window.timelinesAbsenceInterval;");
double zoomFactor = ExecuteScriptGetNumber(@"return window.zoomLevelFactor;");
double maxScaleWithoutPadding = 13.7 * Ga / width;
double maxScale = (13.7 * Ga + 2 * additionalPermitedPixels * maxScaleWithoutPadding) / width;
double belowMaxScale = maxScale / zoomFactor;
// for all scale in (belowMaxScale, maxScale] => scale * zoomFactor > maxScale
Random rnd = new Random();
double scale = belowMaxScale + rnd.NextDouble() * (maxScale - belowMaxScale);
var vc = new VirtualCanvasComponent(Driver);
vc.SetVisible(new JsVisible(-13.7 * Ga / 2, 0, scale));
vc.UpdateViewport();
/* Act
* ZoomOut.
*/
ExecuteScript(@"setZoomOut()");
ActionsExtension act = new ActionsExtension(Driver);
act.MoveToElement(vcElem, 10, 10);
act.DoubleClick();
act.Perform();
vc.WaitAnimation();
/* Assert
* Verify that the viewport after zooming doesn't
* exceed the maximum zoomout level.
*/
var vp = vc.GetViewport();
Assert.IsTrue(vp.Scale <= maxScale);
}
