gistfile1.cs

        [Test]
        public void GetMovesOneSquareForward_A2_ReturnsPromotions()
        {
            var bp = new BlackPawns(Bitboard.With.A2);
            var m = bp.GetMovesOneSquareForward();

            m.Should().Have.SameSequenceAs(
                new Move("A2", "A1", MoveTypes.PawnToQueenPromotion),
                new Move("A2", "A1", MoveTypes.PawnToRookPromotion),
                new Move("A2", "A1", MoveTypes.PawnToBishopPromotion),
                new Move("A2", "A1", MoveTypes.PawnToKnightPromotion));
        }


        [Test]
        public void GetMovesOneSquareForward_A2_ReturnsPromotions()
        {
            var bp = new BlackPawns(new Bitboard().Set(new Square("A2")));
            var m = bp.GetMovesOneSquareForward();
            var moves = m.GetEnumerator();


            moves.MoveNext();
            var f1 = moves.Current;
            f1.From.Should().Be(new Square("A2"));
            f1.To.Should().Be(new Square("A1"));
            f1.Type.Should().Be(MoveTypes.PawnToQueenPromotion);

            moves.MoveNext();
            var f2 = moves.Current;
            f2.From.Should().Be(new Square("A2"));
            f2.To.Should().Be(new Square("A1"));
            f2.Type.Should().Be(MoveTypes.PawnToRookPromotion);

            moves.MoveNext();
            var f3 = moves.Current;
            f3.From.Should().Be(new Square("A2"));
            f3.To.Should().Be(new Square("A1"));
            f3.Type.Should().Be(MoveTypes.PawnToBishopPromotion);

            moves.MoveNext();
            var f4 = moves.Current;
            f4.From.Should().Be(new Square("A2"));
            f4.To.Should().Be(new Square("A1"));
            f4.Type.Should().Be(MoveTypes.PawnToKnightPromotion);

            m.Count().Should().Be(4);
        }