Src/Newtonsoft.Json.Tests/Linq/JObjectTests.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using Newtonsoft.Json.Tests.TestObjects;
using NUnit.Framework;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Converters;
using System.IO;
using System.Collections;
using System.Collections.Specialized;
#if !PocketPC && !SILVERLIGHT
using System.Web.UI;
#endif

namespace Newtonsoft.Json.Tests.Linq
{
  public class JObjectTests : TestFixtureBase
  {
    [Test]
    public void TryGetValue()
    {
      JObject o = new JObject();
      o.Add("PropertyNameValue", new JValue(1));
      Assert.AreEqual(1, o.Children().Count());

      JToken t;
      Assert.AreEqual(false, o.TryGetValue("sdf", out t));
      Assert.AreEqual(null, t);

      Assert.AreEqual(false, o.TryGetValue(null, out t));
      Assert.AreEqual(null, t);

      Assert.AreEqual(true, o.TryGetValue("PropertyNameValue", out t));
      Assert.AreEqual(true, JToken.DeepEquals(new JValue(1), t));
    }

    [Test]
    public void DictionaryItemShouldSet()
    {
      JObject o = new JObject();
      o["PropertyNameValue"] = new JValue(1);
      Assert.AreEqual(1, o.Children().Count());

      JToken t;
      Assert.AreEqual(true, o.TryGetValue("PropertyNameValue", out t));
      Assert.AreEqual(true, JToken.DeepEquals(new JValue(1), t));

      o["PropertyNameValue"] = new JValue(2);
      Assert.AreEqual(1, o.Children().Count());

      Assert.AreEqual(true, o.TryGetValue("PropertyNameValue", out t));
      Assert.AreEqual(true, JToken.DeepEquals(new JValue(2), t));

      o["PropertyNameValue"] = null;
      Assert.AreEqual(1, o.Children().Count());

      Assert.AreEqual(true, o.TryGetValue("PropertyNameValue", out t));
      Assert.AreEqual(true, JToken.DeepEquals(new JValue((object)null), t));