#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using Newtonsoft.Json.Linq;
#if DNXCORE50
using Xunit;
using Test = Xunit.FactAttribute;
using Assert = Newtonsoft.Json.Tests.XUnitAssert;
#else
using NUnit.Framework;
#endif
using System;
using System.Collections.Generic;
using System.Text;

#if !NET20

namespace Newtonsoft.Json.Tests.Documentation.Samples.Linq
{
    [TestFixture]
    public class JTokenAnnotation : TestFixtureBase
    {
        [Test]
        public void Example()
        {
            #region Usage
            JObject o = JObject.Parse(@"{
              'name': 'Bill G',
              'age': 58,
              'country': 'United States',
              'employer': 'Microsoft'
            }");

            o.AddAnnotation(new HashSet<string>());
            o.PropertyChanged += (sender, args) => o.Annotation<HashSet<string>>().Add(args.PropertyName);

            o["age"] = 59;
            o["employer"] = "Bill & Melinda Gates Foundation";

            HashSet<string> changedProperties = o.Annotation<HashSet<string>>();
            // age
            // employer
            #endregion

            Assert.AreEqual(true, changedProperties.Contains("age"));
            Assert.AreEqual(true, changedProperties.Contains("employer"));
        }
    }
}

#endif