JamesNK
71446e9772
-Fixed poor error message when dynamic type cannot be created during deserialization -Fixed error when setting a null value on a dynamic type during deserialization -Fixed JsonTextReader.ReadAsDecimal not attempting to convert string values to decimal
351 lines
11 KiB
C#
351 lines
11 KiB
C#
#if !(NET35 || NET20)
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using System;
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using System.Collections.Generic;
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using System.Dynamic;
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using System.Linq;
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using System.Text;
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using Newtonsoft.Json.Linq;
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using NUnit.Framework;
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using Newtonsoft.Json.Utilities;
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using System.Globalization;
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namespace Newtonsoft.Json.Tests.Linq
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{
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public class DynamicTests : TestFixtureBase
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{
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[Test]
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public void JObjectPropertyNames()
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{
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JObject o = new JObject(
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new JProperty("ChildValue", "blah blah"));
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dynamic d = o;
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d.First = "A value!";
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Assert.AreEqual(new JValue("A value!"), d.First);
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Assert.AreEqual("A value!", (string)d.First);
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d.First = null;
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Assert.AreEqual(JTokenType.Null, d.First.Type);
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Assert.IsTrue(d.Remove("First"));
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Assert.IsNull(d.First);
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JValue v1 = d.ChildValue;
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JValue v2 = d["ChildValue"];
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Assert.AreEqual(v1, v2);
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JValue newValue1 = new JValue("Blah blah");
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d.NewValue = newValue1;
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JValue newValue2 = d.NewValue;
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Assert.IsTrue(ReferenceEquals(newValue1, newValue2));
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}
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[Test]
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public void JObjectEnumerator()
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{
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JObject o = new JObject(
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new JProperty("ChildValue", "blah blah"));
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dynamic d = o;
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foreach (JProperty value in d)
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{
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Assert.AreEqual("ChildValue", value.Name);
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Assert.AreEqual("blah blah", (string)value.Value);
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}
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foreach (dynamic value in d)
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{
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Assert.AreEqual("ChildValue", value.Name);
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Assert.AreEqual("blah blah", (string)value.Value);
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}
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}
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[Test]
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public void JObjectPropertyNameWithJArray()
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{
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JObject o = new JObject(
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new JProperty("ChildValue", "blah blah"));
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dynamic d = o;
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d.First = new JArray();
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d.First.Add("Hi");
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Assert.AreEqual(1, d.First.Count);
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}
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[Test]
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[ExpectedException(typeof(ArgumentException), ExpectedMessage = "Could not determine JSON object type for type System.String[].")]
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public void JObjectPropertyNameWithNonToken()
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{
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dynamic d = new JObject();
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d.First = new [] {"One", "II", "3"};
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}
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[Test]
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public void JObjectMethods()
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{
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JObject o = new JObject(
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new JProperty("ChildValue", "blah blah"));
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dynamic d = o;
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d.Add("NewValue", 1);
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object count = d.Count;
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Assert.IsNull(count);
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Assert.IsNull(d["Count"]);
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JToken v;
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Assert.IsTrue(d.TryGetValue("ChildValue", out v));
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Assert.AreEqual("blah blah", (string)v);
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}
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[Test]
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public void JValueEquals()
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{
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JObject o = new JObject(
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new JProperty("Null", new JValue(null, JTokenType.Null)),
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new JProperty("Integer", new JValue(1)),
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new JProperty("Float", new JValue(1.1d)),
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new JProperty("Decimal", new JValue(1.1m)),
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new JProperty("DateTime", new JValue(new DateTime(2000, 12, 29, 23, 51, 10, DateTimeKind.Utc))),
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new JProperty("Boolean", new JValue(true)),
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new JProperty("String", new JValue("A string lol!")),
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new JProperty("Bytes", new JValue(Encoding.UTF8.GetBytes("A string lol!")))
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);
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dynamic d = o;
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Assert.IsTrue(d.Null == d.Null);
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Assert.IsTrue(d.Null == null);
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Assert.IsTrue(d.Null == new JValue(null, JTokenType.Null));
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Assert.IsFalse(d.Null == 1);
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Assert.IsTrue(d.Integer == d.Integer);
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Assert.IsTrue(d.Integer > 0);
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Assert.IsTrue(d.Integer > 0.0m);
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Assert.IsTrue(d.Integer > 0.0f);
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Assert.IsTrue(d.Integer > null);
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Assert.IsTrue(d.Integer >= null);
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Assert.IsTrue(d.Integer == 1);
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Assert.IsTrue(d.Integer == 1m);
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Assert.IsTrue(d.Integer != 1.1f);
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Assert.IsTrue(d.Integer != 1.1d);
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Assert.IsTrue(d.Decimal == d.Decimal);
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Assert.IsTrue(d.Decimal > 0);
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Assert.IsTrue(d.Decimal > 0.0m);
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Assert.IsTrue(d.Decimal > 0.0f);
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Assert.IsTrue(d.Decimal > null);
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Assert.IsTrue(d.Decimal >= null);
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Assert.IsTrue(d.Decimal == 1.1);
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Assert.IsTrue(d.Decimal == 1.1m);
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Assert.IsTrue(d.Decimal != 1.0f);
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Assert.IsTrue(d.Decimal != 1.0d);
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Assert.IsTrue(d.Float == d.Float);
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Assert.IsTrue(d.Float > 0);
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Assert.IsTrue(d.Float > 0.0m);
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Assert.IsTrue(d.Float > 0.0f);
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Assert.IsTrue(d.Float > null);
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Assert.IsTrue(d.Float >= null);
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Assert.IsTrue(d.Float < 2);
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Assert.IsTrue(d.Float <= 1.1);
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Assert.IsTrue(d.Float == 1.1);
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Assert.IsTrue(d.Float == 1.1m);
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Assert.IsTrue(d.Float != 1.0f);
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Assert.IsTrue(d.Float != 1.0d);
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Assert.IsTrue(d.Bytes == d.Bytes);
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Assert.IsTrue(d.Bytes == Encoding.UTF8.GetBytes("A string lol!"));
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Assert.IsTrue(d.Bytes == new JValue(Encoding.UTF8.GetBytes("A string lol!")));
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}
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[Test]
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public void JValueToString()
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{
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JObject o = new JObject(
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new JProperty("Null", new JValue(null, JTokenType.Null)),
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new JProperty("Integer", new JValue(1)),
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new JProperty("Float", new JValue(1.1)),
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new JProperty("DateTime", new JValue(new DateTime(2000, 12, 29, 23, 51, 10, DateTimeKind.Utc))),
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new JProperty("Boolean", new JValue(true)),
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new JProperty("String", new JValue("A string lol!")),
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new JProperty("Bytes", new JValue(Encoding.UTF8.GetBytes("A string lol!")))
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);
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dynamic d = o;
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Assert.AreEqual("", d.Null.ToString());
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Assert.AreEqual("1", d.Integer.ToString());
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Assert.AreEqual("1.1", d.Float.ToString(CultureInfo.InvariantCulture));
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Assert.AreEqual("12/29/2000 23:51:10", d.DateTime.ToString(null, CultureInfo.InvariantCulture));
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Assert.AreEqual("True", d.Boolean.ToString());
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Assert.AreEqual("A string lol!", d.String.ToString());
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Assert.AreEqual("System.Byte[]", d.Bytes.ToString());
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}
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[Test]
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public void JObjectGetDynamicPropertyNames()
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{
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JObject o = new JObject(
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new JProperty("ChildValue", "blah blah"),
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new JProperty("Hello Joe", null));
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dynamic d = o;
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List<string> memberNames = o.GetDynamicMemberNames().ToList();
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Assert.AreEqual(2, memberNames.Count);
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Assert.AreEqual("ChildValue", memberNames[0]);
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Assert.AreEqual("Hello Joe", memberNames[1]);
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o = new JObject(
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new JProperty("ChildValue1", "blah blah"),
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new JProperty("Hello Joe1", null));
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d = o;
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memberNames = o.GetDynamicMemberNames().ToList();
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Assert.AreEqual(2, memberNames.Count);
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Assert.AreEqual("ChildValue1", memberNames[0]);
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Assert.AreEqual("Hello Joe1", memberNames[1]);
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}
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[Test]
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public void JValueConvert()
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{
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AssertValueConverted<bool>(true);
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AssertValueConverted<bool?>(true);
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AssertValueConverted<bool?>(false);
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AssertValueConverted<bool?>(null);
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AssertValueConverted<bool?>("true", true);
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AssertValueConverted<byte[]>(null);
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AssertValueConverted<byte[]>(Encoding.UTF8.GetBytes("blah"));
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AssertValueConverted<DateTime>(new DateTime(2000, 12, 20, 23, 59, 2, DateTimeKind.Utc));
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AssertValueConverted<DateTime?>(new DateTime(2000, 12, 20, 23, 59, 2, DateTimeKind.Utc));
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AssertValueConverted<DateTime?>(null);
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AssertValueConverted<DateTimeOffset>(new DateTimeOffset(2000, 12, 20, 23, 59, 2, TimeSpan.FromHours(1)));
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AssertValueConverted<DateTimeOffset?>(new DateTimeOffset(2000, 12, 20, 23, 59, 2, TimeSpan.FromHours(1)));
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AssertValueConverted<DateTimeOffset?>(null);
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AssertValueConverted<decimal>(99.9m);
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AssertValueConverted<decimal?>(99.9m);
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AssertValueConverted<decimal>(1);
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AssertValueConverted<decimal>(1.1f, 1.1m);
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AssertValueConverted<decimal>("1.1", 1.1m);
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AssertValueConverted<double>(99.9);
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AssertValueConverted<double>(99.9m);
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AssertValueConverted<double?>(99.9);
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AssertValueConverted<float>(99.9f);
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AssertValueConverted<float?>(99.9f);
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AssertValueConverted<int>(int.MinValue);
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AssertValueConverted<int?>(int.MinValue);
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AssertValueConverted<long>(long.MaxValue);
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AssertValueConverted<long?>(long.MaxValue);
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AssertValueConverted<short>(short.MaxValue);
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AssertValueConverted<short?>(short.MaxValue);
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AssertValueConverted<string>("blah");
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AssertValueConverted<string>(null);
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AssertValueConverted<string>(1, "1");
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AssertValueConverted<uint>(uint.MinValue);
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AssertValueConverted<uint?>(uint.MinValue);
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AssertValueConverted<uint?>("1", 1);
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AssertValueConverted<ulong>(ulong.MaxValue);
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AssertValueConverted<ulong?>(ulong.MaxValue);
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AssertValueConverted<ushort>(ushort.MinValue);
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AssertValueConverted<ushort?>(ushort.MinValue);
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AssertValueConverted<ushort?>(null);
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}
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private static void AssertValueConverted<T>(object value)
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{
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AssertValueConverted<T>(value, value);
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}
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private static void AssertValueConverted<T>(object value, object expected)
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{
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JValue v = new JValue(value);
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dynamic d = v;
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T t = d;
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Assert.AreEqual(expected, t);
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}
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[Test]
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public void DynamicSerializerExample()
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{
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dynamic value = new DynamicDictionary();
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value.Name = "Arine Admin";
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value.Enabled = true;
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value.Roles = new[] {"Admin", "User"};
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string json = JsonConvert.SerializeObject(value, Formatting.Indented);
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// {
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// "Name": "Arine Admin",
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// "Enabled": true,
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// "Roles": [
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// "Admin",
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// "User"
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// ]
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// }
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dynamic newValue = JsonConvert.DeserializeObject<DynamicDictionary>(json);
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string role = newValue.Roles[0];
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// Admin
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}
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[Test]
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public void DynamicLinqExample()
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{
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JObject oldAndBusted = new JObject();
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oldAndBusted["Name"] = "Arnie Admin";
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oldAndBusted["Enabled"] = true;
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oldAndBusted["Roles"] = new JArray(new[] { "Admin", "User" });
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string oldRole = (string) oldAndBusted["Roles"][0];
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// Admin
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dynamic newHotness = new JObject();
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newHotness.Name = "Arnie Admin";
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newHotness.Enabled = true;
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newHotness.Roles = new JArray(new[] { "Admin", "User" });
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string newRole = newHotness.Roles[0];
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// Admin
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}
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public class DynamicDictionary : DynamicObject
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{
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private readonly IDictionary<string, object> _values = new Dictionary<string, object>();
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public override IEnumerable<string> GetDynamicMemberNames()
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{
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return _values.Keys;
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}
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public override bool TryGetMember(GetMemberBinder binder, out object result)
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{
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result = _values[binder.Name];
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return true;
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}
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public override bool TrySetMember(SetMemberBinder binder, object value)
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{
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_values[binder.Name] = value;
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return true;
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}
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}
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}
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}
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#endif |