457 lines
13 KiB
C#
457 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 NETFX_CORE
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using System;
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using Newtonsoft.Json.Converters;
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#if !NETFX_CORE
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using NUnit.Framework;
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#else
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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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#endif
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using Windows.Data.Json;
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using System.IO;
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using System.Diagnostics;
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using Newtonsoft.Json.Linq;
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using System.Collections.Generic;
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using System.Linq;
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namespace Newtonsoft.Json.Tests.Converters
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{
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[TestFixture]
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public class JsonValueConverterTests : TestFixtureBase
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{
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public class Computer
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{
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public string Cpu { get; set; }
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public List<string> Drives { get; set; }
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}
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[Test]
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public void WriteJson()
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{
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JsonObject o = JsonObject.Parse(@"{
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""CPU"": ""Intel"",
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""Drives"": [
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""DVD read/writer"",
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""500 gigabyte hard drive""
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]
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}");
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StringWriter sw = new StringWriter();
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JsonTextWriter writer = new JsonTextWriter(sw);
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JsonValueConverter converter = new JsonValueConverter();
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converter.WriteJson(writer, o, null);
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string json = sw.ToString();
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Assert.AreEqual(@"{""Drives"":[""DVD read/writer"",""500 gigabyte hard drive""],""CPU"":""Intel""}", json);
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}
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[Test]
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public void ReadJson()
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{
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string json = @"{
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""CPU"": ""Intel"",
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""Drives"": [
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""DVD read/writer"",
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""500 gigabyte hard drive""
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]
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}";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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JsonObject o = (JsonObject)converter.ReadJson(writer, typeof(JsonObject), null, null);
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Assert.AreEqual(2, o.Count);
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Assert.AreEqual("Intel", o.GetNamedString("CPU"));
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Assert.AreEqual("DVD read/writer", o.GetNamedArray("Drives")[0].GetString());
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Assert.AreEqual("500 gigabyte hard drive", o.GetNamedArray("Drives")[1].GetString());
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}
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[Test]
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public void ReadJsonComments()
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{
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string json = @"{/*comment!*/
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""CPU"": ""Intel"",/*comment!*/
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""Drives"": [/*comment!*/
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""DVD read/writer"",
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/*comment!*/""500 gigabyte hard drive""
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]/*comment!*/
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}";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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JsonObject o = (JsonObject)converter.ReadJson(writer, typeof(JsonObject), null, null);
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Assert.AreEqual(2, o.Count);
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Assert.AreEqual("Intel", o.GetNamedString("CPU"));
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Assert.AreEqual("DVD read/writer", o.GetNamedArray("Drives")[0].GetString());
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Assert.AreEqual("500 gigabyte hard drive", o.GetNamedArray("Drives")[1].GetString());
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}
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[Test]
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public void ReadJsonNullValue()
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{
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string json = "null";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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JsonValue v = (JsonValue)converter.ReadJson(writer, typeof(JsonValue), null, null);
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Assert.AreEqual(JsonValueType.Null, v.ValueType);
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}
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[Test]
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public void ReadJsonUnsupportedValue()
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{
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string json = "undefined";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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ExceptionAssert.Throws<JsonException>("Unexpected or unsupported token: Undefined. Path '', line 1, position 9.",
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() =>
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{
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converter.ReadJson(writer, typeof(JsonValue), null, null);
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});
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}
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[Test]
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public void ReadJsonUnexpectedEndInArray()
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{
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string json = "[";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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ExceptionAssert.Throws<JsonException>("Unexpected end. Path '', line 1, position 1.",
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() =>
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{
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converter.ReadJson(writer, typeof(JsonValue), null, null);
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});
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}
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[Test]
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public void ReadJsonUnexpectedEndAfterComment()
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{
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string json = "[/*comment!*/";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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ExceptionAssert.Throws<JsonException>("Unexpected end. Path '', line 1, position 13.",
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() =>
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{
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converter.ReadJson(writer, typeof(JsonValue), null, null);
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});
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}
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[Test]
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public void ReadJsonUnexpectedEndInObject()
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{
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string json = "{'hi':";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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ExceptionAssert.Throws<JsonException>("Unexpected end. Path 'hi', line 1, position 6.",
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() =>
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{
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converter.ReadJson(writer, typeof(JsonValue), null, null);
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});
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}
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[Test]
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public void ReadJsonBadJsonType()
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{
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string json = "null";
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JsonTextReader writer = new JsonTextReader(new StringReader(json));
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JsonValueConverter converter = new JsonValueConverter();
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ExceptionAssert.Throws<JsonException>("Could not convert 'Windows.Data.Json.JsonValue' to 'Windows.Data.Json.JsonObject'. Path '', line 1, position 4.",
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() =>
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{
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converter.ReadJson(writer, typeof(JsonObject), null, null);
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});
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}
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[Test]
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public void JsonConvertDeserialize()
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{
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string json = @"[
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""DVD read/writer"",
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""500 gigabyte hard drive""
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]";
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JsonArray a = JsonConvert.DeserializeObject<JsonArray>(json);
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Assert.AreEqual(2, a.Count);
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Assert.AreEqual("DVD read/writer", a[0].GetString());
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Assert.AreEqual("500 gigabyte hard drive", a[1].GetString());
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}
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[Test]
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public void JsonConvertSerialize()
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{
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JsonArray a = JsonArray.Parse(@"[
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""DVD read/writer"",
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""500 gigabyte hard drive""
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]");
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string json = JsonConvert.SerializeObject(a, Formatting.Indented);
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Assert.AreEqual(@"[
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""DVD read/writer"",
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""500 gigabyte hard drive""
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]", json);
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}
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[Test]
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public void SerializeDouble()
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{
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JsonObject o = new JsonObject();
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o["zero"] = JsonValue.CreateNumberValue(0);
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o["int"] = JsonValue.CreateNumberValue(1);
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o["smallfraction"] = JsonValue.CreateNumberValue(3.0000000000000009);
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o["double"] = JsonValue.CreateNumberValue(1.1);
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o["probablyint"] = JsonValue.CreateNumberValue(1.0);
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o["Epsilon"] = JsonValue.CreateNumberValue(double.Epsilon);
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o["MinValue"] = JsonValue.CreateNumberValue(double.MinValue);
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o["MaxValue"] = JsonValue.CreateNumberValue(double.MaxValue);
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o["NaN"] = JsonValue.CreateNumberValue(double.NaN);
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o["NegativeInfinity"] = JsonValue.CreateNumberValue(double.NegativeInfinity);
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o["PositiveInfinity"] = JsonValue.CreateNumberValue(double.PositiveInfinity);
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string json = JsonConvert.SerializeObject(o, Formatting.Indented);
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Assert.AreEqual(@"{
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""PositiveInfinity"": ""Infinity"",
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""NegativeInfinity"": ""-Infinity"",
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""MinValue"": -1.7976931348623157E+308,
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""double"": 1.1,
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""int"": 1,
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""zero"": 0,
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""Epsilon"": 4.94065645841247E-324,
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""MaxValue"": 1.7976931348623157E+308,
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""NaN"": ""NaN"",
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""smallfraction"": 3.0000000000000009,
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""probablyint"": 1
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}", json);
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}
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[Test]
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public void DeserializePerformance()
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{
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string json = @"{
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""CPU"": ""Intel"",
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""Drives"": [
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""DVD read/writer"",
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""500 gigabyte hard drive""
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]
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}";
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Stopwatch timer = new Stopwatch();
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timer.Start();
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for (int i = 0; i < 100000; i++)
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{
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JsonObject o = JsonObject.Parse(json);
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}
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timer.Stop();
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string winrt = timer.Elapsed.TotalSeconds.ToString();
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timer = new Stopwatch();
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timer.Start();
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for (int i = 0; i < 100000; i++)
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{
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JObject o = JObject.Parse(json);
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}
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timer.Stop();
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string linq = timer.Elapsed.TotalSeconds.ToString();
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// warm up
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JsonConvert.DeserializeObject<Computer>(json);
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timer = new Stopwatch();
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timer.Start();
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for (int i = 0; i < 100000; i++)
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{
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Computer o = JsonConvert.DeserializeObject<Computer>(json);
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}
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timer.Stop();
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string jsonnet = timer.Elapsed.TotalSeconds.ToString();
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throw new Exception(string.Format("winrt: {0}, jsonnet: {1}, jsonnet linq: {2}", winrt, jsonnet, linq));
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}
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[Test]
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public void SerializePerformance()
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{
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string json = @"{
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""CPU"": ""Intel"",
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""Drives"": [
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""DVD read/writer"",
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""500 gigabyte hard drive""
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]
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}";
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JsonObject o = JsonObject.Parse(json);
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JObject o1 = JObject.Parse(json);
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Computer o2 = JsonConvert.DeserializeObject<Computer>(json);
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Stopwatch timer = new Stopwatch();
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timer.Start();
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for (int i = 0; i < 100000; i++)
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{
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o.Stringify();
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}
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timer.Stop();
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string winrt = timer.Elapsed.TotalSeconds.ToString();
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timer.Start();
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for (int i = 0; i < 100000; i++)
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{
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o1.ToString(Formatting.None);
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}
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timer.Stop();
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string linq = timer.Elapsed.TotalSeconds.ToString();
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timer = new Stopwatch();
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timer.Start();
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for (int i = 0; i < 100000; i++)
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{
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JsonConvert.SerializeObject(o);
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}
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timer.Stop();
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string jsonnet = timer.Elapsed.TotalSeconds.ToString();
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throw new Exception(string.Format("winrt: {0}, jsonnet: {1}, jsonnet linq: {2}", winrt, jsonnet, linq));
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}
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[Test]
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public void ParseJson()
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{
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string json = @"{
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""channel"": {
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""title"": ""James Newton-King"",
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""link"": ""http://james.newtonking.com"",
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""description"": ""James Newton-King's blog."",
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""item"": [
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{
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""title"": ""Json.NET 1.3 + New license + Now on CodePlex"",
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""description"": ""Annoucing the release of Json.NET 1.3, the MIT license and the source being available on CodePlex"",
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""link"": ""http://james.newtonking.com/projects/json-net.aspx"",
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""category"": [
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""Json.NET"",
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""CodePlex""
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]
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}
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]
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}
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}";
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// Windows.Data.Json
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// -----------------
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JsonObject jsonObject = JsonObject.Parse(json);
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string itemTitle1 = jsonObject["channel"].GetObject()["item"].GetArray()[0].GetObject()["title"].GetString();
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// LINQ to JSON
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// ------------
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JObject jObject = JObject.Parse(json);
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string itemTitle2 = (string)jObject["channel"]["item"][0]["title"];
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}
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[Test]
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public void CreateJson()
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{
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// Windows.Data.Json
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// -----------------
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JsonObject jsonObject = new JsonObject
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{
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{"CPU", JsonValue.CreateStringValue("Intel")},
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{"Drives", new JsonArray {
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JsonValue.CreateStringValue("DVD read/writer"),
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JsonValue.CreateStringValue("500 gigabyte hard drive")
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}
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}
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};
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string json1 = jsonObject.Stringify();
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// LINQ to JSON
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// ------------
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JObject jObject = new JObject
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{
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{"CPU", "Intel"},
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{"Drives", new JArray {
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"DVD read/writer",
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"500 gigabyte hard drive"
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}
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}
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};
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string json2 = jObject.ToString();
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}
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[Test]
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public void Converting()
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{
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JsonObject jsonObject = new JsonObject
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{
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{"CPU", JsonValue.CreateStringValue("Intel")},
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{"Drives", new JsonArray {
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JsonValue.CreateStringValue("DVD read/writer"),
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JsonValue.CreateStringValue("500 gigabyte hard drive")
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}
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}
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};
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// convert Windows.Data.Json to LINQ to JSON
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JObject o = JObject.FromObject(jsonObject);
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// convert LINQ to JSON to Windows.Data.Json
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JArray a = (JArray)o["Drives"];
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JsonArray jsonArray = a.ToObject<JsonArray>();
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}
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}
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}
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#endif |