public void StateMove()
{
State o = new State(null);
Assert.Empty(o.Move(1, 2, 1, 3));
Assert.Equal("Pa2a3", o.LastNote());
Assert.Contains(Ret.BadTurn, o.Move(1, 3, 1, 4));
Assert.Empty(o.Move(4, 7, 4, 5));
Assert.Contains(Ret.BadSrc, o.Move(3, 3, 4, 4));
Assert.Contains(Ret.BadDst, o.Move(6, 1, 5, 2));
Assert.Contains(Ret.InvalidMove, o.Move(5, 1, 5, 3));
o.Move(3, 2, 3, 4);
Assert.Contains(Ret.Capture, o.Move(4, 5, 3, 4));
o.Move(2, 2, 2, 4);
Assert.Contains(Ret.EnPassant, o.Move(3, 4, 2, 3));
Assert.Equal("Pc4b3p", o.LastNote());
}
public void StateUndo()
{
State o = new State(null);
Assert.Empty(o.Move(1, 2, 1, 4));
Assert.Null(o.At(o.Live, 1, 2));
Assert.NotNull(o.At(o.Live, 1, 4));
Assert.False(o.At(o.Live, 1, 4).Inert);
Assert.Single(o.History);
o.Undo(o.LastNote());
Assert.Null(o.At(o.Live, 1, 4));
Assert.NotNull(o.At(o.Live, 1, 2));
Assert.True(o.At(o.Live, 1, 2).Inert);
Assert.Empty(o.History);
Assert.Empty(o.Move(1, 2, 1, 4));
Assert.Single(o.History);
}