public void RemovePossibilityTest()
{
/*** ARRANGE ***/
Alphabet alphabet = CreateDefaultAlphabet();
Cell target = new Cell(alphabet);
int value = 3; // arbitrary
/*** ACT ***/
target.RemovePossibility(value);
/*** ASSERT ***/
Assert.IsFalse(target.CanBe(value)); // value is no longer a possible value
Assert.IsTrue(alphabet.Contains(value)); // alphabet remains unchanged
}
