Azavea.Open.DAO.Tests.CriteriaTests.TestSubExpressions C# (CSharp) Method

        public void TestSubExpressions()
        {
            DaoCriteria sc = new DaoCriteria();
            Assert.AreEqual(0, new List<IExpression>(sc.Expressions).Count, "Didn't start with none.");
            sc.Expressions.Add(new CriteriaExpression(new DaoCriteria(), true));
            Assert.AreEqual(1, new List<IExpression>(sc.Expressions).Count, "Added a blank sub-expr.");
            sc.Clear();
            DaoCriteria sub1 = new DaoCriteria();
            sub1.Expressions.Add(new EqualExpression("x", 5, true));
            sub1.Expressions.Add(new BetweenExpression("y", 1, 4, true));
            Assert.AreEqual(2, new List<IExpression>(sub1.Expressions).Count, "Sub-expr didn't have 2 exprs.");
            sc.Expressions.Add(new CriteriaExpression(sub1, true));
            Assert.AreEqual(1, new List<IExpression>(sc.Expressions).Count, "Should be 1 sub-expr.");
        }