AjTalk.Tests.Model.ModelParserTests.ParseNil C# (CSharp) Метод

        public void ParseNil()
        {
            ModelParser parser = new ModelParser("nil");
            IExpression expression = parser.ParseExpression();

            Assert.IsNotNull(expression);
            Assert.IsInstanceOfType(expression, typeof(ConstantExpression));

            ConstantExpression cexpression = (ConstantExpression)expression;
            Assert.IsNull(cexpression.Value);

            Assert.AreEqual("nil", expression.AsString());
        }