-Added JsonDictionaryAttribute

-Added JsonContainerContract -Added support for customizing the JsonConverter, type name handling, reference handling of collection items
2012-04-22 23:17:58 +12:00
parent 450996eb25
commit 7b776e9298
34 changed files with 894 additions and 252 deletions
@@ -0,0 +1,123 @@
+using System.Collections.Generic;
+using NUnit.Framework;
+
+namespace Newtonsoft.Json.Tests.Serialization
+{
+  [TestFixture]
+  public class ReferenceLoopHandlingTests : TestFixtureBase
+  {
+    [Test]
+    public void ReferenceLoopHandlingTest()
+    {
+      JsonPropertyAttribute attribute = new JsonPropertyAttribute();
+      Assert.AreEqual(null, attribute._defaultValueHandling);
+      Assert.AreEqual(ReferenceLoopHandling.Error, attribute.ReferenceLoopHandling);
+
+      attribute.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
+      Assert.AreEqual(ReferenceLoopHandling.Ignore, attribute._referenceLoopHandling);
+      Assert.AreEqual(ReferenceLoopHandling.Ignore, attribute.ReferenceLoopHandling);
+    }
+
+    [Test]
+    public void IgnoreObjectReferenceLoop()
+    {
+      ReferenceLoopHandlingObjectContainerAttribute o = new ReferenceLoopHandlingObjectContainerAttribute();
+      o.Value = o;
+
+      string json = JsonConvert.SerializeObject(o, Formatting.Indented, new JsonSerializerSettings
+        {
+          ReferenceLoopHandling = ReferenceLoopHandling.Serialize
+        });
+      Assert.AreEqual("{}", json);
+    }
+
+    [Test]
+    public void IgnoreObjectReferenceLoopWithPropertyOverride()
+    {
+      ReferenceLoopHandlingObjectContainerAttributeWithPropertyOverride o = new ReferenceLoopHandlingObjectContainerAttributeWithPropertyOverride();
+      o.Value = o;
+
+      string json = JsonConvert.SerializeObject(o, Formatting.Indented, new JsonSerializerSettings
+      {
+        ReferenceLoopHandling = ReferenceLoopHandling.Serialize
+      });
+      Assert.AreEqual(@"{
+  ""Value"": {
+    ""Value"": {
+      ""Value"": {
+        ""Value"": {
+          ""Value"": {
+            ""Value"": null
+          }
+        }
+      }
+    }
+  }
+}", json);
+    }
+
+    [Test]
+    public void IgnoreArrayReferenceLoop()
+    {
+      ReferenceLoopHandlingList a = new ReferenceLoopHandlingList();
+      a.Add(a);
+
+      string json = JsonConvert.SerializeObject(a, Formatting.Indented, new JsonSerializerSettings
+      {
+        ReferenceLoopHandling = ReferenceLoopHandling.Serialize
+      });
+      Assert.AreEqual("[]", json);
+    }
+
+    [Test]
+    public void IgnoreDictionaryReferenceLoop()
+    {
+      ReferenceLoopHandlingDictionary d = new ReferenceLoopHandlingDictionary();
+      d.Add("First", d);
+
+      string json = JsonConvert.SerializeObject(d, Formatting.Indented, new JsonSerializerSettings
+      {
+        ReferenceLoopHandling = ReferenceLoopHandling.Serialize
+      });
+      Assert.AreEqual("{}", json);
+    }
+  }
+
+  [JsonArray(ItemReferenceLoopHandling = ReferenceLoopHandling.Ignore)]
+  public class ReferenceLoopHandlingList : List<ReferenceLoopHandlingList>
+  {
+  }
+
+  [JsonDictionary(ItemReferenceLoopHandling = ReferenceLoopHandling.Ignore)]
+  public class ReferenceLoopHandlingDictionary : Dictionary<string, ReferenceLoopHandlingDictionary>
+  {
+  }
+
+  [JsonObject(ItemReferenceLoopHandling = ReferenceLoopHandling.Ignore)]
+  public class ReferenceLoopHandlingObjectContainerAttribute
+  {
+    public ReferenceLoopHandlingObjectContainerAttribute Value { get; set; }
+  }
+
+  [JsonObject(ItemReferenceLoopHandling = ReferenceLoopHandling.Ignore)]
+  public class ReferenceLoopHandlingObjectContainerAttributeWithPropertyOverride
+  {
+    private ReferenceLoopHandlingObjectContainerAttributeWithPropertyOverride _value;
+    private int _getCount;
+
+    [JsonProperty(ReferenceLoopHandling = ReferenceLoopHandling.Serialize)]
+    public ReferenceLoopHandlingObjectContainerAttributeWithPropertyOverride Value
+    {
+      get
+      {
+        if (_getCount < 5)
+        {
+          _getCount++;
+          return _value;
+        }
+        return null;
+      }
+      set { _value = value; }
+    }
+  }
+}