Automata.Z3.Tests.Z3_TreeTransducerTests.TestIdempotenceOfIdentityTransducer C# (CSharp) Method

        public void TestIdempotenceOfIdentityTransducer()
        {
            Z3Provider Z = new Z3Provider();
            var A = (Z.TT.MkRankedAlphabet("A", Z.UnitSort, new string[] { "zero", "one", "two" }, new int[] { 0, 1, 2 }));
            var zero = A.MkTree("zero", Z.UnitConst);
            Func<Expr, Expr> one = x =>
            {
                return A.MkTree("one", Z.UnitConst, x);
            };
            Func<Expr, Expr, Expr> two = (x, y) =>
            {
                return A.MkTree("two", Z.UnitConst, x, y);
            };

            var id = A.IdTransducer;

            var id_o_id = id.Compose(id);
            var t1 = id_o_id[two(two(zero, zero), zero)];
            Assert.AreEqual<int>(1, t1.Length);
        }