559 lines
20 KiB
C#
559 lines
20 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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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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#if NET20
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using Newtonsoft.Json.Utilities.LinqBridge;
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#else
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using System.Linq;
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#endif
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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.TestObjects;
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#if NETFX_CORE
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using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
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using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
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using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
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#elif DNXCORE50
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using Xunit;
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using Test = Xunit.FactAttribute;
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using Assert = Newtonsoft.Json.Tests.XUnitAssert;
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#else
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using NUnit.Framework;
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#endif
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using Newtonsoft.Json.Linq;
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using Newtonsoft.Json.Utilities;
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namespace Newtonsoft.Json.Tests.Serialization
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{
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[TestFixture]
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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[] objs = new[] { new SerializationEventTestObject(), new DerivedSerializationEventTestObject() };
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foreach (SerializationEventTestObject current in objs)
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{
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SerializationEventTestObject obj = current;
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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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StringAssert.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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string expectedError = String.Format("Error message for member Member6 = Error getting value from 'Member6' on '{0}'.", obj.GetType().FullName);
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Assert.AreEqual(expectedError, 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 = (SerializationEventTestObject)JsonConvert.DeserializeObject(o.ToString(), obj.GetType());
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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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expectedError = String.Format("Error message for member Member6 = Error setting value to 'Member6' on '{0}'.", obj.GetType());
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Assert.AreEqual(expectedError, obj.Member5);
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DerivedSerializationEventTestObject derivedObj = obj as DerivedSerializationEventTestObject;
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if (derivedObj != null) Assert.AreEqual("This value was set after deserialization.", derivedObj.Member7);
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}
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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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StringAssert.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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[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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StringAssert.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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StringAssert.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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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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StringAssert.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 = Error getting value from 'Member6' on 'Newtonsoft.Json.Tests.TestObjects.SerializationEventTestObject'.", obj.Member5);
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obj = JsonConvert.DeserializeObject<SerializationEventTestObject>(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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Assert.AreEqual(null, obj.Member5);
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}
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public class SerializationEventBaseTestObject
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{
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public string TestMember { get; set; }
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[OnSerializing]
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internal void OnSerializingMethod(StreamingContext context)
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{
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TestMember = "Set!";
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}
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}
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public class SerializationEventContextSubClassTestObject : SerializationEventBaseTestObject
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{
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}
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[Test]
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public void SerializationEventContextTestObjectSubClassTest()
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{
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SerializationEventContextSubClassTestObject obj = new SerializationEventContextSubClassTestObject();
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string json = JsonConvert.SerializeObject(obj, Formatting.Indented);
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StringAssert.AreEqual(@"{
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""TestMember"": ""Set!""
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}", json);
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}
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#if !(NETFX_CORE || PORTABLE || DNXCORE50)
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public class SerializationEventContextTestObject
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{
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public string TestMember { get; set; }
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[OnSerializing]
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internal void OnSerializingMethod(StreamingContext context)
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{
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TestMember = context.State + " " + context.Context;
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}
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}
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[Test]
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public void SerializationEventContextTest()
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{
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SerializationEventContextTestObject value = new SerializationEventContextTestObject();
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string json = JsonConvert.SerializeObject(value, Formatting.Indented, new JsonSerializerSettings
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{
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Context =
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new StreamingContext(
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StreamingContextStates.Remoting,
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"ContextValue")
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});
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StringAssert.AreEqual(@"{
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""TestMember"": ""Remoting ContextValue""
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}", json);
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}
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#endif
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#if !(PORTABLE || DNXCORE50)
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public void WhenSerializationErrorDetectedBySerializer_ThenCallbackIsCalled()
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{
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// Verify contract is properly finding our callback
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var resolver = new DefaultContractResolver().ResolveContract(typeof(FooEvent));
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#pragma warning disable 612,618
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Debug.Assert(resolver.OnError != null);
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Debug.Assert(resolver.OnError == typeof(FooEvent).GetMethod("OnError", BindingFlags.Instance | BindingFlags.NonPublic));
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#pragma warning restore 612,618
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var serializer = JsonSerializer.Create(new JsonSerializerSettings
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{
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// If I don't specify Error here, the callback isn't called
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// either, but no exception is thrown.
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MissingMemberHandling = MissingMemberHandling.Error,
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});
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// This throws with missing member exception, rather than calling my callback.
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var foo = serializer.Deserialize<FooEvent>(new JsonTextReader(new StringReader("{ Id: 25 }")));
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// When fixed, this would pass.
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Debug.Assert(foo.Identifier == 25);
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}
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#endif
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public class FooEvent
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{
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public int Identifier { get; set; }
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[OnError]
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private void OnError(StreamingContext context, ErrorContext error)
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{
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Identifier = 25;
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// Here we could for example manually copy the
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// persisted "Id" value into the renamed "Identifier"
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// property, etc.
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error.Handled = true;
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}
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}
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[Test]
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public void DerivedSerializationEvents()
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{
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var c = JsonConvert.DeserializeObject<DerivedSerializationEventOrderTestObject>("{}");
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JsonConvert.SerializeObject(c, Formatting.Indented);
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IList<string> e = c.GetEvents();
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StringAssert.AreEqual(@"OnDeserializing
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OnDeserializing_Derived
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OnDeserialized
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OnDeserialized_Derived
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OnSerializing
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OnSerializing_Derived
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OnSerialized
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OnSerialized_Derived", string.Join(Environment.NewLine, e.ToArray()));
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}
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[Test]
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public void DerivedDerivedSerializationEvents()
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{
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var c = JsonConvert.DeserializeObject<DerivedDerivedSerializationEventOrderTestObject>("{}");
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JsonConvert.SerializeObject(c, Formatting.Indented);
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IList<string> e = c.GetEvents();
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StringAssert.AreEqual(@"OnDeserializing
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OnDeserializing_Derived
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OnDeserializing_Derived_Derived
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OnDeserialized
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OnDeserialized_Derived
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OnDeserialized_Derived_Derived
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OnSerializing
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OnSerializing_Derived
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OnSerializing_Derived_Derived
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OnSerialized
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OnSerialized_Derived
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OnSerialized_Derived_Derived", string.Join(Environment.NewLine, e.ToArray()));
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}
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#if !(NET20)
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[Test]
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public void DerivedDerivedSerializationEvents_DataContractSerializer()
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{
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string xml = @"<DerivedDerivedSerializationEventOrderTestObject xmlns=""http://schemas.datacontract.org/2004/07/Newtonsoft.Json.Tests.Serialization"" xmlns:i=""http://www.w3.org/2001/XMLSchema-instance""/>";
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DataContractSerializer ss = new DataContractSerializer(typeof(DerivedDerivedSerializationEventOrderTestObject));
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DerivedDerivedSerializationEventOrderTestObject c = (DerivedDerivedSerializationEventOrderTestObject)ss.ReadObject(new MemoryStream(Encoding.UTF8.GetBytes(xml)));
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MemoryStream ms = new MemoryStream();
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ss.WriteObject(ms, c);
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IList<string> e = c.GetEvents();
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StringAssert.AreEqual(@"OnDeserializing
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OnDeserializing_Derived
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OnDeserializing_Derived_Derived
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OnDeserialized
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OnDeserialized_Derived
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OnDeserialized_Derived_Derived
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OnSerializing
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OnSerializing_Derived
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OnSerializing_Derived_Derived
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OnSerialized
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OnSerialized_Derived
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OnSerialized_Derived_Derived", string.Join(Environment.NewLine, e.ToArray()));
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}
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#endif
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[Test]
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public void NoStreamingContextParameter()
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{
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ExportPostData d = new ExportPostData
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{
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user = "user!",
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contract = new Contract
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{
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contractName = "name!"
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}
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};
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ExceptionAssert.Throws<JsonException>(() => JsonConvert.SerializeObject(d, Formatting.Indented), "Serialization Callback 'Void Deserialized()' in type 'Newtonsoft.Json.Tests.Serialization.Contract' must have a single parameter of type 'System.Runtime.Serialization.StreamingContext'.");
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}
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}
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public class SerializationEventOrderTestObject
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{
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protected IList<string> Events { get; private set; }
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public SerializationEventOrderTestObject()
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{
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Events = new List<string>();
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}
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public IList<string> GetEvents()
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{
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return Events;
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}
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[OnSerializing]
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internal void OnSerializingMethod(StreamingContext context)
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{
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Events.Add("OnSerializing");
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}
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[OnSerialized]
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internal void OnSerializedMethod(StreamingContext context)
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{
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Events.Add("OnSerialized");
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}
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[OnDeserializing]
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internal void OnDeserializingMethod(StreamingContext context)
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{
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Events.Add("OnDeserializing");
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}
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[OnDeserialized]
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internal void OnDeserializedMethod(StreamingContext context)
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{
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Events.Add("OnDeserialized");
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}
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}
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public class DerivedSerializationEventOrderTestObject : SerializationEventOrderTestObject
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{
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[OnSerializing]
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internal new void OnSerializingMethod(StreamingContext context)
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{
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Events.Add("OnSerializing_Derived");
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}
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[OnSerialized]
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internal new void OnSerializedMethod(StreamingContext context)
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{
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Events.Add("OnSerialized_Derived");
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}
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[OnDeserializing]
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internal new void OnDeserializingMethod(StreamingContext context)
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{
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Events.Add("OnDeserializing_Derived");
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}
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[OnDeserialized]
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internal new void OnDeserializedMethod(StreamingContext context)
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{
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Events.Add("OnDeserialized_Derived");
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}
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}
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public class DerivedDerivedSerializationEventOrderTestObject : DerivedSerializationEventOrderTestObject
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{
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[OnSerializing]
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internal new void OnSerializingMethod(StreamingContext context)
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{
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Events.Add("OnSerializing_Derived_Derived");
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}
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[OnSerialized]
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internal new void OnSerializedMethod(StreamingContext context)
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{
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Events.Add("OnSerialized_Derived_Derived");
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}
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[OnDeserializing]
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internal new void OnDeserializingMethod(StreamingContext context)
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{
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Events.Add("OnDeserializing_Derived_Derived");
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}
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[OnDeserialized]
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internal new void OnDeserializedMethod(StreamingContext context)
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{
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Events.Add("OnDeserialized_Derived_Derived");
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}
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}
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public class ExportPostData
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{
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public Contract contract { get; set; }
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public bool includeSubItems { get; set; }
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public string user { get; set; }
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public string[] projects { get; set; }
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}
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|
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public class Contract
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|
{
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|
public string _id { get; set; }
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public string contractName { get; set; }
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public string contractNumber { get; set; }
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|
public string updatedBy { get; set; }
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|
public DateTime updated_at { get; set; }
|
|
|
|
private bool _onDeserializedCalled;
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|
|
|
public bool GetOnDeserializedCalled()
|
|
{
|
|
return _onDeserializedCalled;
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|
}
|
|
|
|
[OnDeserialized]
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|
internal void Deserialized()
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|
{
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|
_onDeserializedCalled = true;
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|
}
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|
}
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|
} |