public void BishopShouldBeAllowedToMoveInDiagonalLinesInEachDirection()
{
var board = new Board();
var source = new Location('d', 4);
Assert.True(_sut.IsMovePossible(source, new Location('c', 3), board));
Assert.True(_sut.IsMovePossible(source, new Location('c', 5), board));
Assert.True(_sut.IsMovePossible(source, new Location('e', 3), board));
Assert.True(_sut.IsMovePossible(source, new Location('e', 5), board));
Assert.True(_sut.IsMovePossible(source, new Location('f', 2), board));
Assert.True(_sut.IsMovePossible(source, new Location('f', 6), board));
Assert.True(_sut.IsMovePossible(source, new Location('b', 2), board));
Assert.True(_sut.IsMovePossible(source, new Location('b', 6), board));
}