public void CanCreateViewportOnSheet()
{
// Arrange
var sheet = ElementSelector.ByType <Autodesk.Revit.DB.ViewSheet>(true).First() as Sheet;
var view = CreateTestView();
var point = Point.ByCoordinates(250, 250);
var expectedExceptionMessage = Revit.Properties.Resources.ViewAlreadyPlacedOnSheet;
// Act
var viewport = Viewport.BySheetViewLocation(sheet, view, point);
var viewportLocation = viewport.InternalViewport.GetBoxCenter().ToPoint() as Point;
var exceptionViewport = Assert.Throws <InvalidOperationException>(() => Viewport.BySheetViewLocation(sheet, view, point));
// Assert
Assert.AreEqual(viewport.GetType(), typeof(Viewport));
Assert.AreEqual(point.X, viewportLocation.X, Tolerance);
Assert.AreEqual(point.Y, viewportLocation.Y, Tolerance);
Assert.AreEqual(expectedExceptionMessage, exceptionViewport.Message);
}