532 lines
13 KiB
C#
532 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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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.TestTools.UnitTesting;
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using TestFixture = Microsoft.VisualStudio.TestTools.UnitTesting.TestClassAttribute;
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using Test = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute;
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#endif
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using Newtonsoft.Json.Linq;
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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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namespace Newtonsoft.Json.Tests.Linq
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{
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[TestFixture]
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public class JArrayTests : TestFixtureBase
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{
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[Test]
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public void Clear()
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{
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JArray a = new JArray { 1 };
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Assert.AreEqual(1, a.Count);
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a.Clear();
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Assert.AreEqual(0, a.Count);
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}
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[Test]
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public void AddToSelf()
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{
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JArray a = new JArray();
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a.Add(a);
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Assert.IsFalse(ReferenceEquals(a[0], a));
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}
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[Test]
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public void Contains()
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{
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JValue v = new JValue(1);
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JArray a = new JArray { v };
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Assert.AreEqual(false, a.Contains(new JValue(2)));
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Assert.AreEqual(false, a.Contains(new JValue(1)));
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Assert.AreEqual(false, a.Contains(null));
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Assert.AreEqual(true, a.Contains(v));
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}
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[Test]
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public void GenericCollectionCopyTo()
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{
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JArray j = new JArray();
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j.Add(new JValue(1));
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j.Add(new JValue(2));
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j.Add(new JValue(3));
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Assert.AreEqual(3, j.Count);
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JToken[] a = new JToken[5];
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((ICollection<JToken>)j).CopyTo(a, 1);
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Assert.AreEqual(null, a[0]);
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Assert.AreEqual(1, (int)a[1]);
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Assert.AreEqual(2, (int)a[2]);
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Assert.AreEqual(3, (int)a[3]);
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Assert.AreEqual(null, a[4]);
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}
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[Test]
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[ExpectedException(typeof(ArgumentNullException)
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#if !NETFX_CORE
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, ExpectedMessage = @"Value cannot be null.
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Parameter name: array"
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#endif
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)]
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public void GenericCollectionCopyToNullArrayShouldThrow()
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{
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JArray j = new JArray();
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((ICollection<JToken>)j).CopyTo(null, 0);
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}
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[Test]
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[ExpectedException(typeof(ArgumentOutOfRangeException)
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#if !NETFX_CORE
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, ExpectedMessage = @"arrayIndex is less than 0.
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Parameter name: arrayIndex"
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#endif
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)]
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public void GenericCollectionCopyToNegativeArrayIndexShouldThrow()
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{
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JArray j = new JArray();
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((ICollection<JToken>)j).CopyTo(new JToken[1], -1);
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}
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[Test]
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[ExpectedException(typeof(ArgumentException)
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#if !NETFX_CORE
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, ExpectedMessage = @"arrayIndex is equal to or greater than the length of array."
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#endif
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)]
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public void GenericCollectionCopyToArrayIndexEqualGreaterToArrayLengthShouldThrow()
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{
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JArray j = new JArray();
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((ICollection<JToken>)j).CopyTo(new JToken[1], 1);
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}
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[Test]
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[ExpectedException(typeof(ArgumentException)
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#if !NETFX_CORE
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, ExpectedMessage = @"The number of elements in the source JObject is greater than the available space from arrayIndex to the end of the destination array."
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#endif
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)]
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public void GenericCollectionCopyToInsufficientArrayCapacity()
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{
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JArray j = new JArray();
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j.Add(new JValue(1));
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j.Add(new JValue(2));
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j.Add(new JValue(3));
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((ICollection<JToken>)j).CopyTo(new JToken[3], 1);
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}
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[Test]
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public void Remove()
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{
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JValue v = new JValue(1);
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JArray j = new JArray();
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j.Add(v);
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Assert.AreEqual(1, j.Count);
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Assert.AreEqual(false, j.Remove(new JValue(1)));
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Assert.AreEqual(false, j.Remove(null));
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Assert.AreEqual(true, j.Remove(v));
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Assert.AreEqual(false, j.Remove(v));
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Assert.AreEqual(0, j.Count);
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}
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[Test]
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public void IndexOf()
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{
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JValue v1 = new JValue(1);
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JValue v2 = new JValue(1);
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JValue v3 = new JValue(1);
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JArray j = new JArray();
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j.Add(v1);
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Assert.AreEqual(0, j.IndexOf(v1));
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j.Add(v2);
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Assert.AreEqual(0, j.IndexOf(v1));
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Assert.AreEqual(1, j.IndexOf(v2));
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j.AddFirst(v3);
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Assert.AreEqual(1, j.IndexOf(v1));
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Assert.AreEqual(2, j.IndexOf(v2));
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Assert.AreEqual(0, j.IndexOf(v3));
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v3.Remove();
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Assert.AreEqual(0, j.IndexOf(v1));
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Assert.AreEqual(1, j.IndexOf(v2));
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Assert.AreEqual(-1, j.IndexOf(v3));
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}
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[Test]
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public void RemoveAt()
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{
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JValue v1 = new JValue(1);
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JValue v2 = new JValue(1);
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JValue v3 = new JValue(1);
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JArray j = new JArray();
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j.Add(v1);
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j.Add(v2);
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j.Add(v3);
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Assert.AreEqual(true, j.Contains(v1));
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j.RemoveAt(0);
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Assert.AreEqual(false, j.Contains(v1));
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Assert.AreEqual(true, j.Contains(v3));
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j.RemoveAt(1);
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Assert.AreEqual(false, j.Contains(v3));
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Assert.AreEqual(1, j.Count);
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}
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[Test]
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[ExpectedException(typeof(ArgumentOutOfRangeException)
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#if !NETFX_CORE
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, ExpectedMessage = @"Index is equal to or greater than Count.
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Parameter name: index"
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#endif
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)]
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public void RemoveAtOutOfRangeIndexShouldError()
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{
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JArray j = new JArray();
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j.RemoveAt(0);
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}
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[Test]
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[ExpectedException(typeof(ArgumentOutOfRangeException)
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#if !NETFX_CORE
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, ExpectedMessage = @"Index is less than 0.
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Parameter name: index"
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#endif
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)]
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public void RemoveAtNegativeIndexShouldError()
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{
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JArray j = new JArray();
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j.RemoveAt(-1);
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}
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[Test]
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public void Insert()
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{
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JValue v1 = new JValue(1);
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JValue v2 = new JValue(2);
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JValue v3 = new JValue(3);
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JValue v4 = new JValue(4);
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JArray j = new JArray();
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j.Add(v1);
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j.Add(v2);
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j.Add(v3);
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j.Insert(1, v4);
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Assert.AreEqual(0, j.IndexOf(v1));
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Assert.AreEqual(1, j.IndexOf(v4));
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Assert.AreEqual(2, j.IndexOf(v2));
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Assert.AreEqual(3, j.IndexOf(v3));
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}
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[Test]
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public void AddFirstAddedTokenShouldBeFirst()
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{
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JValue v1 = new JValue(1);
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JValue v2 = new JValue(2);
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JValue v3 = new JValue(3);
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JArray j = new JArray();
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Assert.AreEqual(null, j.First);
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Assert.AreEqual(null, j.Last);
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j.AddFirst(v1);
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Assert.AreEqual(v1, j.First);
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Assert.AreEqual(v1, j.Last);
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j.AddFirst(v2);
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Assert.AreEqual(v2, j.First);
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Assert.AreEqual(v1, j.Last);
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j.AddFirst(v3);
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Assert.AreEqual(v3, j.First);
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Assert.AreEqual(v1, j.Last);
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}
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[Test]
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public void InsertShouldInsertAtZeroIndex()
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{
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JValue v1 = new JValue(1);
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JValue v2 = new JValue(2);
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JArray j = new JArray();
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j.Insert(0, v1);
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Assert.AreEqual(0, j.IndexOf(v1));
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j.Insert(0, v2);
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Assert.AreEqual(1, j.IndexOf(v1));
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Assert.AreEqual(0, j.IndexOf(v2));
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}
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[Test]
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public void InsertNull()
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{
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JArray j = new JArray();
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j.Insert(0, null);
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Assert.AreEqual(null, ((JValue)j[0]).Value);
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}
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[Test]
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[ExpectedException(typeof(ArgumentOutOfRangeException)
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#if !NETFX_CORE
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, ExpectedMessage = @"Index was out of range. Must be non-negative and less than the size of the collection.
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Parameter name: index"
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#endif
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)]
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public void InsertNegativeIndexShouldThrow()
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{
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JArray j = new JArray();
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j.Insert(-1, new JValue(1));
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}
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[Test]
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[ExpectedException(typeof(ArgumentOutOfRangeException)
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#if !NETFX_CORE
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, ExpectedMessage = @"Index must be within the bounds of the List.
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Parameter name: index"
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#endif
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)]
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public void InsertOutOfRangeIndexShouldThrow()
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{
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JArray j = new JArray();
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j.Insert(2, new JValue(1));
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}
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[Test]
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public void Item()
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{
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JValue v1 = new JValue(1);
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JValue v2 = new JValue(2);
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JValue v3 = new JValue(3);
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JValue v4 = new JValue(4);
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JArray j = new JArray();
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j.Add(v1);
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j.Add(v2);
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j.Add(v3);
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j[1] = v4;
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Assert.AreEqual(null, v2.Parent);
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Assert.AreEqual(-1, j.IndexOf(v2));
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Assert.AreEqual(j, v4.Parent);
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Assert.AreEqual(1, j.IndexOf(v4));
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}
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[Test]
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[ExpectedException(typeof(Exception)
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#if !NETFX_CORE
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, ExpectedMessage = "Error reading JArray from JsonReader. Current JsonReader item is not an array: StartObject"
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#endif
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)]
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public void Parse_ShouldThrowOnUnexpectedToken()
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{
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string json = @"{""prop"":""value""}";
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JArray.Parse(json);
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}
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public class ListItemFields
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{
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public string ListItemText { get; set; }
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public object ListItemValue { get; set; }
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}
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[Test]
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public void ArrayOrder()
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{
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string itemZeroText = "Zero text";
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IEnumerable<ListItemFields> t = new List<ListItemFields>
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{
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new ListItemFields { ListItemText = "First", ListItemValue = 1 },
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new ListItemFields { ListItemText = "Second", ListItemValue = 2 },
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new ListItemFields { ListItemText = "Third", ListItemValue = 3 }
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};
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JObject optionValues =
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new JObject(
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new JProperty("options",
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new JArray(
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new JObject(
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new JProperty("text", itemZeroText),
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new JProperty("value", "0")),
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from r in t
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orderby r.ListItemValue
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select new JObject(
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new JProperty("text", r.ListItemText),
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new JProperty("value", r.ListItemValue.ToString())))));
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string result = "myOptions = " + optionValues.ToString();
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Assert.AreEqual(@"myOptions = {
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""options"": [
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{
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""text"": ""Zero text"",
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""value"": ""0""
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},
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{
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""text"": ""First"",
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""value"": ""1""
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},
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{
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""text"": ""Second"",
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""value"": ""2""
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},
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{
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""text"": ""Third"",
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""value"": ""3""
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}
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]
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}", result);
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}
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[Test]
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public void Iterate()
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{
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JArray a = new JArray(1, 2, 3, 4, 5);
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int i = 1;
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foreach (JToken token in a)
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{
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Assert.AreEqual(i, (int)token);
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i++;
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}
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}
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#if !SILVERLIGHT && !NETFX_CORE
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[Test]
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public void ITypedListGetItemProperties()
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{
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JProperty p1 = new JProperty("Test1", 1);
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JProperty p2 = new JProperty("Test2", "Two");
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ITypedList a = new JArray(new JObject(p1, p2));
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PropertyDescriptorCollection propertyDescriptors = a.GetItemProperties(null);
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Assert.IsNotNull(propertyDescriptors);
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Assert.AreEqual(2, propertyDescriptors.Count);
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Assert.AreEqual("Test1", propertyDescriptors[0].Name);
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Assert.AreEqual("Test2", propertyDescriptors[1].Name);
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}
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#endif
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[Test]
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public void AddArrayToSelf()
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{
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JArray a = new JArray(1, 2);
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a.Add(a);
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Assert.AreEqual(3, a.Count);
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Assert.AreEqual(1, (int)a[0]);
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Assert.AreEqual(2, (int)a[1]);
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Assert.AreNotSame(a, a[2]);
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}
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[Test]
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[ExpectedException(typeof(ArgumentException)
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#if !NETFX_CORE
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, ExpectedMessage = @"Set JArray values with invalid key value: ""badvalue"". Array position index expected."
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#endif
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)]
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public void SetValueWithInvalidIndex()
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{
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JArray a = new JArray();
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a["badvalue"] = new JValue(3);
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}
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[Test]
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public void SetValue()
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{
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object key = 0;
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JArray a = new JArray((object)null);
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a[key] = new JValue(3);
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Assert.AreEqual(3, (int)a[key]);
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}
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[Test]
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public void ReplaceAll()
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{
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JArray a = new JArray(new [] { 1, 2, 3 });
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Assert.AreEqual(3, a.Count);
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Assert.AreEqual(1, (int)a[0]);
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Assert.AreEqual(2, (int)a[1]);
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Assert.AreEqual(3, (int)a[2]);
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a.ReplaceAll(1);
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Assert.AreEqual(1, a.Count);
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Assert.AreEqual(1, (int)a[0]);
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}
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[Test]
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[ExpectedException(typeof(Exception)
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#if !NETFX_CORE
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, ExpectedMessage = "Unexpected end of content while loading JArray."
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#endif
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)]
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public void ParseIncomplete()
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{
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JArray.Parse("[1");
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}
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[Test]
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public void InsertAddEnd()
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{
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JArray array = new JArray();
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array.Insert(0, 123);
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array.Insert(1, 456);
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Assert.AreEqual(2, array.Count);
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Assert.AreEqual(123, (int)array[0]);
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Assert.AreEqual(456, (int)array[1]);
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}
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[Test]
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[ExpectedException(typeof(JsonReaderException)
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#if !NETFX_CORE
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, ExpectedMessage = "Additional text encountered after finished reading JSON content: ,. Line 5, position 2."
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#endif
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)]
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public void ParseAdditionalContent()
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{
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string json = @"[
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""Small"",
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""Medium"",
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""Large""
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], 987987";
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JArray.Parse(json);
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}
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}
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} |