369 lines
13 KiB
C#
369 lines
13 KiB
C#
#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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#if !PocketPC && !SILVERLIGHT && !NET20
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.Serialization;
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using System.Text;
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using Newtonsoft.Json.Serialization;
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using Newtonsoft.Json.Tests;
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using Newtonsoft.Json.Tests.TestObjects;
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using NUnit.Framework;
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using Newtonsoft.Json.Linq;
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using System.Collections;
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namespace Newtonsoft.Json.Tests.Serialization
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{
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public class SerializationEventAttributeTests : TestFixtureBase
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{
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[Test]
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public void ObjectEvents()
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{
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SerializationEventTestObject obj = new SerializationEventTestObject();
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("Hello World!", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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Assert.AreEqual(null, obj.Member5);
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string json = JsonConvert.SerializeObject(obj, Formatting.Indented);
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Assert.AreEqual(@"{
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""Member1"": 11,
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""Member2"": ""This value went into the data file during serialization."",
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""Member4"": null
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}", json);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("This value was reset after serialization.", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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Assert.AreEqual("Error message for member Member6 = Exception has been thrown by the target of an invocation.", obj.Member5);
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JObject o = JObject.Parse(@"{
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""Member1"": 11,
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""Member2"": ""This value went into the data file during serialization."",
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""Member4"": null
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}");
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o["Member6"] = "Dummy text for error";
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obj = JsonConvert.DeserializeObject<SerializationEventTestObject>(o.ToString());
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("This value went into the data file during serialization.", obj.Member2);
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Assert.AreEqual("This value was set during deserialization", obj.Member3);
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Assert.AreEqual("This value was set after deserialization.", obj.Member4);
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Assert.AreEqual("Error message for member Member6 = Exception has been thrown by the target of an invocation.", obj.Member5);
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}
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[Test]
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public void ObjectWithConstructorEvents()
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{
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SerializationEventTestObjectWithConstructor obj = new SerializationEventTestObjectWithConstructor(11, "Hello World!", null);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("Hello World!", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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string json = JsonConvert.SerializeObject(obj, Formatting.Indented);
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Assert.AreEqual(@"{
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""Member1"": 11,
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""Member2"": ""This value went into the data file during serialization."",
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""Member4"": null
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}", json);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("This value was reset after serialization.", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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obj = JsonConvert.DeserializeObject<SerializationEventTestObjectWithConstructor>(json);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("This value went into the data file during serialization.", obj.Member2);
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Assert.AreEqual("This value was set during deserialization", obj.Member3);
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Assert.AreEqual("This value was set after deserialization.", obj.Member4);
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}
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public class ListErrorObject
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{
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public string Member
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{
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get { throw new Exception("ListErrorObject.Member get error!"); }
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set { throw new Exception("ListErrorObject.Member set error!"); }
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}
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}
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public class ListErrorObjectCollection : Collection<ListErrorObject>
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{
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[OnError]
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internal void OnErrorMethod(StreamingContext context, ErrorContext errorContext)
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{
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errorContext.Handled = true;
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}
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}
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public class VersionKeyedCollection : KeyedCollection<string, Person>, IList
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{
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public List<string> Messages { get; set; }
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public VersionKeyedCollection()
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{
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Messages = new List<string>();
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}
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protected override string GetKeyForItem(Person item)
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{
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return item.Name;
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}
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[OnError]
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internal void OnErrorMethod(StreamingContext context, ErrorContext errorContext)
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{
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Messages.Add("Error message for member " + errorContext.Member + " = " + errorContext.Error.Message);
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errorContext.Handled = true;
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}
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object IList.this[int index]
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{
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get
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{
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if (index % 2 == 0)
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throw new Exception("Index even: " + index);
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return this[index];
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}
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set { this[index] = (Person)value; }
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}
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}
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[Test]
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public void ErrorDeserializingListHandled()
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{
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string json = @"[
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{
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""Name"": ""Jim"",
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""BirthDate"": ""\/Date(978048000000)\/"",
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""LastModified"": ""\/Date(978048000000)\/""
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},
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{
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""Name"": ""Jim"",
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""BirthDate"": ""\/Date(978048000000)\/"",
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""LastModified"": ""\/Date(978048000000)\/""
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}
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]";
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VersionKeyedCollection c = JsonConvert.DeserializeObject<VersionKeyedCollection>(json);
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Assert.AreEqual(1, c.Count);
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Assert.AreEqual(1, c.Messages.Count);
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Assert.AreEqual("Error message for member 1 = An item with the same key has already been added.", c.Messages[0]);
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}
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[Test]
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public void ErrorSerializingListHandled()
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{
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VersionKeyedCollection c = new VersionKeyedCollection();
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c.Add(new Person
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{
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Name = "Jim",
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BirthDate = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc),
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LastModified = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc)
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});
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c.Add(new Person
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{
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Name = "Jimbo",
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BirthDate = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc),
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LastModified = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc)
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});
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c.Add(new Person
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{
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Name = "Jimmy",
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BirthDate = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc),
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LastModified = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc)
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});
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c.Add(new Person
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{
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Name = "Jim Bean",
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BirthDate = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc),
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LastModified = new DateTime(2000, 12, 29, 0, 0, 0, DateTimeKind.Utc)
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});
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string json = JsonConvert.SerializeObject(c, Formatting.Indented);
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Assert.AreEqual(@"[
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{
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""Name"": ""Jimbo"",
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""BirthDate"": ""\/Date(978048000000)\/"",
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""LastModified"": ""\/Date(978048000000)\/""
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},
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{
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""Name"": ""Jim Bean"",
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""BirthDate"": ""\/Date(978048000000)\/"",
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""LastModified"": ""\/Date(978048000000)\/""
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}
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]", json);
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Assert.AreEqual(2, c.Messages.Count);
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Assert.AreEqual("Error message for member 0 = Index even: 0", c.Messages[0]);
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Assert.AreEqual("Error message for member 2 = Index even: 2", c.Messages[1]);
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}
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[Test]
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[ExpectedException(typeof(TargetInvocationException))]
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public void ErrorInChild()
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{
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JsonConvert.DeserializeObject<ListErrorObjectCollection>(@"[{""Member"":""Value""}]");
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}
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[Test]
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public void ListEvents()
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{
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SerializationEventTestList obj = new SerializationEventTestList
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{
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1.1m,
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2.222222222m,
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int.MaxValue,
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Convert.ToDecimal(Math.PI)
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};
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("Hello World!", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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string json = JsonConvert.SerializeObject(obj, Formatting.Indented);
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Assert.AreEqual(@"[
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-1.0,
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1.1,
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2.222222222,
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2147483647.0,
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3.14159265358979
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]", json);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("This value was reset after serialization.", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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obj = JsonConvert.DeserializeObject<SerializationEventTestList>(json);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("Hello World!", obj.Member2);
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Assert.AreEqual("This value was set during deserialization", obj.Member3);
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Assert.AreEqual("This value was set after deserialization.", obj.Member4);
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}
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[Test]
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public void DictionaryEvents()
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{
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SerializationEventTestDictionary obj = new SerializationEventTestDictionary
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{
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{ 1.1m, "first" },
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{ 2.222222222m, "second" },
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{ int.MaxValue, "third" },
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{ Convert.ToDecimal(Math.PI), "fourth" }
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};
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("Hello World!", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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string json = JsonConvert.SerializeObject(obj, Formatting.Indented);
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Assert.AreEqual(@"{
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""1.1"": ""first"",
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""2.222222222"": ""second"",
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""2147483647"": ""third"",
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""3.14159265358979"": ""fourth"",
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""79228162514264337593543950335"": ""Inserted on serializing""
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}", json);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("This value was reset after serialization.", obj.Member2);
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Assert.AreEqual("This is a nonserialized value", obj.Member3);
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Assert.AreEqual(null, obj.Member4);
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obj = JsonConvert.DeserializeObject<SerializationEventTestDictionary>(json);
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Assert.AreEqual(11, obj.Member1);
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Assert.AreEqual("Hello World!", obj.Member2);
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Assert.AreEqual("This value was set during deserialization", obj.Member3);
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Assert.AreEqual("This value was set after deserialization.", obj.Member4);
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}
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[Test]
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public void ObjectEventsDocumentationExample()
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{
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SerializationEventTestObject obj = new SerializationEventTestObject();
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Console.WriteLine(obj.Member1);
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// 11
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Console.WriteLine(obj.Member2);
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// Hello World!
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Console.WriteLine(obj.Member3);
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// This is a nonserialized value
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Console.WriteLine(obj.Member4);
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// null
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Console.WriteLine(obj.Member5);
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// null
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string json = JsonConvert.SerializeObject(obj, Formatting.Indented);
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// {
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// "Member1": 11,
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// "Member2": "This value went into the data file during serialization.",
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// "Member4": null
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// }
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Console.WriteLine(obj.Member1);
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// 11
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Console.WriteLine(obj.Member2);
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// This value was reset after serialization.
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Console.WriteLine(obj.Member3);
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// This is a nonserialized value
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Console.WriteLine(obj.Member4);
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// null
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Console.WriteLine(obj.Member5);
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// Error message for member Member6 = Exception has been thrown by the target of an invocation.
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obj = JsonConvert.DeserializeObject<SerializationEventTestObject>(json);
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Console.WriteLine(obj.Member1);
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// 11
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Console.WriteLine(obj.Member2);
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// This value went into the data file during serialization.
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Console.WriteLine(obj.Member3);
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// This value was set during deserialization
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Console.WriteLine(obj.Member4);
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// This value was set after deserialization.
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}
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}
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}
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#endif |