public void TurningFaceClockwise_Moves1RowOfStickersOnAdjacentSides()
{
var cube = new Cube();
Assert_IsSolved(cube);
cube = cube.Apply(Turn.Parse("U"));
Assert.Equal(Side.Right, cube[MovablePosition.Get(Side.Front, Side.Up)]);
Assert.Equal(Side.Right, cube[MovablePosition.Get(Side.Front, Side.Up | Side.Left)]);
Assert.Equal(Side.Right, cube[MovablePosition.Get(Side.Front, Side.Up | Side.Right)]);
Assert.Equal(Side.Back, cube[MovablePosition.Get(Side.Right, Side.Up)]);
Assert.Equal(Side.Back, cube[MovablePosition.Get(Side.Right, Side.Up | Side.Front)]);
Assert.Equal(Side.Back, cube[MovablePosition.Get(Side.Right, Side.Up | Side.Back)]);
Assert.Equal(Side.Left, cube[MovablePosition.Get(Side.Back, Side.Up)]);
Assert.Equal(Side.Left, cube[MovablePosition.Get(Side.Back, Side.Up | Side.Right)]);
Assert.Equal(Side.Left, cube[MovablePosition.Get(Side.Back, Side.Up | Side.Left)]);
Assert.Equal(Side.Front, cube[MovablePosition.Get(Side.Left, Side.Up)]);
Assert.Equal(Side.Front, cube[MovablePosition.Get(Side.Left, Side.Up | Side.Back)]);
Assert.Equal(Side.Front, cube[MovablePosition.Get(Side.Left, Side.Up | Side.Front)]);
Assert.False(cube.IsSolved);
}
public void MustSolveCrossBeforePlacingFtl()
{
var nonSolvedCrossCube = new Cube().Apply(Turn.Parse("R"));
var slot = new FtlSlot(Side.Front, Side.Right);
Assert.Throws <System.InvalidOperationException>(() => Solver.PlaceSingleFtlPairFromTop(slot, nonSolvedCrossCube));
}
public void ToStringParseRoundTrip_AllPossibleTurns()
{
foreach (var turn in Turn.BuildAllTurns())
{
string text = turn.ToString();
var copy = Turn.Parse(text);
Assert.Equal(turn, copy);
}
}
static public TurnSequence Parse(string s)
{
var items = new List <Turn>();
for (int i = 0; i < s.Length; ++i)
{
var turn = Turn.Parse(s, i);
items.Add(turn);
if (turn.Direction != Rotation.Clockwise)
{
++i;
}
}
return(new TurnSequence(items.ToArray()));
}