public void IndicatesIfCanUndo()
{
var history = new VialSetHistory();
var set = new VialSet()
{
Vials = new Vial[]
{
new Vial(new Color[] { Color.Red }),
new Vial(new Color[] { Color.Green, Color.Red }),
new Vial(new Color[] { Color.Green, Color.Green }),
}
};
history.CanUndo.ShouldBeFalse();
set.Vials.ElementAt(0).Stack(set.Vials.ElementAt(1).Pop());
history.RegisterMove(new Pouring(1, 0));
history.CanUndo.ShouldBeTrue();
set.Vials.ElementAt(1).Stack(set.Vials.ElementAt(2).Pop());
set.Vials.ElementAt(1).Stack(set.Vials.ElementAt(2).Pop());
history.RegisterMove(new Pouring(2, 1, 2));
history.CanUndo.ShouldBeTrue();
history.Undo(set);
history.CanUndo.ShouldBeTrue();
history.Undo(set);
history.CanUndo.ShouldBeFalse();
history.Redo(set);
history.CanUndo.ShouldBeTrue();
}
public void NextCanBeFetched()
{
var history = new VialSetHistory();
var set = new VialSet()
{
Vials = new Vial[]
{
new Vial(new Color[] { Color.Red }),
new Vial(new Color[] { Color.Green, Color.Red }),
new Vial(new Color[] { Color.Green, Color.Green }),
}
};
set.Vials.ElementAt(0).Stack(set.Vials.ElementAt(1).Pop());
history.RegisterMove(new Pouring(1, 0));
set.Vials.ElementAt(1).Stack(set.Vials.ElementAt(2).Pop());
set.Vials.ElementAt(1).Stack(set.Vials.ElementAt(2).Pop());
history.RegisterMove(new Pouring(2, 1, 2));
set = history.Undo(set);
set = history.Undo(set);
set = history.Redo(set);
set.ContentEquals(new VialSet()
{
Vials = new Vial[]
{
new Vial(new Color[] { Color.Red, Color.Red }),
new Vial(new Color[] { Color.Green }),
new Vial(new Color[] { Color.Green, Color.Green }),
}
}).ShouldBeTrue();
set = history.Redo(set);
set.ContentEquals(new VialSet()
{
Vials = new Vial[]
{
new Vial(new Color[] { Color.Red, Color.Red }),
new Vial(new Color[] { Color.Green, Color.Green, Color.Green }),
new Vial(new Color[] { }),
}
}).ShouldBeTrue();
set = history.Redo(set);
set.ContentEquals(new VialSet()
{
Vials = new Vial[]
{
new Vial(new Color[] { Color.Red, Color.Red }),
new Vial(new Color[] { Color.Green, Color.Green, Color.Green }),
new Vial(new Color[] { }),
}
}).ShouldBeTrue();
}
public void MoveWasMade(Pouring pouring)
{
VialSetHistory.RegisterMove(pouring);
RefreshControls();
}