// ****************************************************************

// Copyright 2007, Charlie Poole

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org.

// ****************************************************************

using System;

using System.Collections;

using System.Reflection;



namespace NUnit.Core.Extensibility

{

	/// <summary>

	/// TestDecoratorCollection is an ExtensionPoint for TestDecorators and

	/// implements the ITestDecorator interface itself, passing calls 

	/// on to the individual decorators.

	/// </summary>

	public class TestDecoratorCollection : ExtensionPoint, IExtensionPoint2, ITestDecorator

	{

		#region Constructor

		public TestDecoratorCollection(IExtensionHost host)

			: base( "TestDecorators", host, 10 ) { }

		#endregion



		#region ITestDecorator Members



		public Test Decorate(Test test, MemberInfo member)

		{

			Test decoratedTest = test;



			foreach( ITestDecorator decorator in Extensions )

				decoratedTest = decorator.Decorate( decoratedTest, member );



			return decoratedTest;

		}

		#endregion



		#region ExtensionPoint Overrides

		protected override bool IsValidExtension(object extension)

		{

			return extension is ITestDecorator; 

		}

		#endregion

	}

}