public void GetUnassignedWords()
{
WordTargetLayout layout = new WordTargetLayout(new List <string> {
"VARIABLE", "VALUE", "VAGUE", "UNCLEAR", "NUCLEAR", "STATE"
});
layout.AssignWord("VALUE", 2);
layout.AssignWord("VAGUE", 2);
List <string> unassigned = new List <string> {
"UNCLEAR", "NUCLEAR"
};
Assert.IsTrue(Enumerable.SequenceEqual(unassigned, layout.GetUnassignedWords()));
}