public void SetTile_Succeeded_WasLogged(int x, int y)
{
var position = new Vector(x, y);
var tile = new Tile();
var extent = Mock.Of <Extent>(e => e.SetTile(position, tile));
var changeSet = new ChangeSet();
var loggedExtent = new LoggedExtent(extent, changeSet);
Assert.That(loggedExtent.SetTile(position, tile));
Assert.That(changeSet.Undo(extent), Is.EqualTo(1));
}
public void SetTile_Failed_WasNotLogged(int x, int y)
{
var position = new Vector(x, y);
var tile = new Tile();
var extent = Mock.Of <Extent>(e => !e.SetTile(position, tile));
var changeSet = new ChangeSet();
var loggedExtent = new LoggedExtent(extent, changeSet);
Assert.That(!loggedExtent.SetTile(position, tile));
Assert.That(changeSet.Undo(extent), Is.Zero);
}