public void MatchTuplesWithAVariable()
{
Tuple tuple = new Tuple(new object[] { 1, new Variable("X"), 3 });
Tuple tuple2 = new Tuple(new object[] { 1, 2, 3 });
Context context = new Context();
Assert.IsTrue(tuple.Match(tuple2, context));
Assert.AreEqual(2, context.GetValue("X"));
Assert.IsTrue(tuple2.Match(tuple, context));
Assert.AreEqual(2, context.GetValue("X"));
}