public void Move_CorrectlySetsTopLeftPosAndMovesContainingObjects()
{
var grid = new UniversalGrid <string>(10, 20);
var thing1 = "A".AsSpatialObject(1, 1);
var thing2 = "B".AsSpatialObject(1, 2);
var moves = 0;
var modified = false;
grid.ItemMoved += (s, e) =>
{
moves++;
};
grid.Modified += (s, e) =>
{
modified = true;
};
grid.SetObjects(thing1, thing2);
grid.Move(new Point2D()
{
X = 2, Y = 1
});
Assert.That(modified);
Assert.That(grid.TopLeft, Is.EqualTo(new Point2D()
{
X = 2, Y = 1
}));
Assert.That(grid.AllObjects.Count(), Is.EqualTo(2));
Assert.That(thing1.TopLeft, Is.EqualTo(new Point2D()
{
X = 3, Y = 2
}));
Assert.That(thing2.TopLeft, Is.EqualTo(new Point2D()
{
X = 3, Y = 3
}));
Assert.That(moves, Is.EqualTo(2));
}