public void Test_Expressions() { var d = new Dictionary <string, object> { { "name", "John" } }; var scope = new ContentObject(d, d, ContentFactory.Default); var e = new CreateObjectExpression(new List <CreateObjectExpression.Element> { new CreateObjectExpression.Attribute { Name = "name", Value = new PathExpression(new ScopeRootExpression(), ContentPath.Parse("$.name")) }, new CreateObjectExpression.Attribute { Name = "age", Value = new ConstantExpression(new ContentNumber(45)) } }); var issue = e.TryEvaluate(scope, out IContentNode result); Assert.IsNull(issue); var jToken = result.ToJson(); var poco = jToken.ToObject <R>(); Assert.AreEqual("John", poco.name); Assert.AreEqual(45, poco.age); }