public void FromRandomMovesTest()
{
Random random = new Random(7777777);
int length = 50;
Assert.ThrowsException <ArgumentOutOfRangeException>(() => Alg.FromRandomMoves(-1, random));
Assert.ThrowsException <ArgumentNullException>(() => Alg.FromRandomMoves(0, null));
Assert.AreEqual(Alg.Empty, Alg.FromRandomMoves(0, random));
Alg randomAlg = Alg.FromRandomMoves(length, random);
Assert.AreEqual(length, randomAlg.Length);
var enumerator = randomAlg.GetEnumerator();
if (enumerator.MoveNext())
{
Move previous2 = enumerator.Current;
if (enumerator.MoveNext())
{
Move previous1 = enumerator.Current;
Assert.AreNotEqual(previous1.Face(), previous2.Face());
while (enumerator.MoveNext())
{
Assert.AreNotEqual(enumerator.Current.Face(), previous1.Face());
if (enumerator.Current.Axis() == previous1.Axis())
{
Assert.AreNotEqual(enumerator.Current.Axis(), previous2.Axis());
}
previous2 = previous1;
previous1 = enumerator.Current;
}
}
}
}