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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Xml;
using System.Xml.Linq;
using Xunit;
namespace XLinqTests
{
public class XElementChangedNotificationTests
{
public class SkipNotifyTests
{
[Fact]
public void AddEventXElementShouldBeNotified()
{
var el = new XElement("test");
bool changedNotification = false;
var handler = new EventHandler<XObjectChangeEventArgs>(
(sender, cea) =>
{
changedNotification = true;
}
);
el.Changed += handler;
var child = new XElement("test2");
el.Add(child);
Assert.True(changedNotification);
changedNotification = false;
child.Add(new XAttribute("a", "b"));
Assert.True(changedNotification);
}
[Fact]
public void AddRemoveEventXElementShouldNotBeNotified()
{
var el = new XElement("test");
bool changedNotification = false;
var handler = new EventHandler<XObjectChangeEventArgs>(
(sender, cea) =>
{
changedNotification = true;
}
);
el.Changed += handler;
el.Changed -= handler;
var child = new XElement("test2");
el.Add(child);
Assert.False(changedNotification);
changedNotification = false;
child.Add(new XAttribute("a", "b"));
Assert.False(changedNotification);
}
[Fact]
public void AddEventXElementShouldBeNotifiedWithAnnotations()
{
var el = new XElement("test");
bool changedNotification = false;
var handler = new EventHandler<XObjectChangeEventArgs>(
(sender, cea) =>
{
changedNotification = true;
}
);
el.AddAnnotation(new object());
el.Changed += handler;
var child = new XElement("test2");
el.Add(child);
Assert.True(changedNotification);
changedNotification = false;
child.Add(new XAttribute("a", "b"));
Assert.True(changedNotification);
}
[Fact]
public void AddRemoveEventXElementShouldNotBeNotifiedWithAnnotations()
{
var el = new XElement("test");
bool changedNotification = false;
var handler = new EventHandler<XObjectChangeEventArgs>(
(sender, cea) =>
{
changedNotification = true;
}
);
el.AddAnnotation(new object());
el.Changed += handler;
el.Changed -= handler;
var child = new XElement("test2");
el.Add(child);
Assert.False(changedNotification);
changedNotification = false;
child.Add(new XAttribute("a", "b"));
Assert.False(changedNotification);
}
}
}
}
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