context: //
  // SocketAsyncEventArgsTest.cs - NUnit Test Cases for SocketAsyncEventArgs
  //
  // Author:
  //	Sebastien Pouliot (sebastien@ximian.com)
  //
  // Copyright (C) 2009 Novell, Inc (http://www.novell.com)
  //
  // 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.
  //
  
  #if NET_2_0
  
  using System;
  using System.Collections.Generic;
  using System.Net.Sockets;
  using System.Text;
  
  using NUnit.Framework;
  
  namespace MonoTests.System.Net.Sockets {
  
  	[TestFixture]
  	public class SocketAsyncEventArgsTest {
  
  		[Test]
  		public void Defaults ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			Assert.IsNull (saea.AcceptSocket, "AcceptSocket");
  			Assert.IsNull (saea.Buffer, "Buffer");
  			Assert.IsNull (saea.BufferList, "BufferList");
  			Assert.AreEqual (0, saea.BytesTransferred, "BytesTransferred");
  			Assert.AreEqual (0, saea.Count, "Count");
  			Assert.IsFalse (saea.DisconnectReuseSocket, "DisconnectReuseSocket");
  			Assert.AreEqual (SocketAsyncOperation.None, saea.LastOperation, "LastOperation");
  			Assert.AreEqual (0, saea.Offset, "Offset");
  			Assert.IsNull (saea.RemoteEndPoint, "RemoteEndPoint");
  #if !MOBILE
  			Assert.IsNotNull (saea.ReceiveMessageFromPacketInfo, "ReceiveMessageFromPacketInfo");
  			Assert.IsNull (saea.SendPacketsElements, "SendPacketsElements");
  			Assert.AreEqual (TransmitFileOptions.UseDefaultWorkerThread, saea.SendPacketsFlags, "SendPacketsFlags");
  #endif
  			Assert.AreEqual (-1, saea.SendPacketsSendSize, "SendPacketsSendSize");
  			Assert.AreEqual (SocketError.Success, saea.SocketError, "SocketError");
  			Assert.AreEqual (SocketFlags.None, saea.SocketFlags, "SocketFlags");
  			Assert.IsNull (saea.UserToken, "UserToken");
  
  			saea.Dispose ();
  			saea.Dispose (); // twice
  		}
  
  		[Test]
  		public void SetBuffer_ByteArray ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  
  			byte [] buffer = new byte [0];
  			saea.SetBuffer (buffer, 0, 0);
  			Assert.AreEqual (0, saea.Buffer.Length, "0");
  			Assert.AreSame (saea.Buffer, buffer, "same");
  
  			saea.SetBuffer (null, 0, 0);
  			Assert.IsNull (saea.Buffer, "null");
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentException))]
  		public void SetBuffer_BufferList_ByteArray ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.BufferList = new List<ArraySegment<byte>> ();
  			saea.SetBuffer (new byte [0], 0, 0);
  		}
  
  		[Test]
  		public void SetBuffer_BufferList_NullByteArray ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.BufferList = new List<ArraySegment<byte>> ();
  			saea.SetBuffer (null, 0, 0);
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentException))]
  		public void SetBuffer_ByteArray_BufferList ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [0], 0, 0);
  			saea.BufferList = new List<ArraySegment<byte>> ();
  		}
  
  		[Test]
  		public void SetBuffer_NullByteArray_BufferList ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (null, 0, 0);
  			saea.BufferList = new List<ArraySegment<byte>> ();
  			Assert.IsNull (saea.Buffer, "Buffer");
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_ByteArray_StartNegative ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [10], -1, 0);
  		}
  
  		[Test]
  		public void SetBuffer_Null_StartNegative ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (null, -1, 0);
  			Assert.IsNull (saea.Buffer, "Buffer");
  			Assert.IsNull (saea.BufferList, "BufferList");
  			Assert.AreEqual (0, saea.Count, "Count");
  			Assert.AreEqual (0, saea.Offset, "Offset");
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_ByteArray_CountNegative ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [10], 1, -1);
  		}
  
  		[Test]
  		public void SetBuffer_BufferList ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.BufferList = new List<ArraySegment<byte>> ();
  			saea.SetBuffer (1, -1);
  			saea.SetBuffer (-1, 0);
  		}
  
  		[Test]
  		public void SetBuffer_Null_CountNegative ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (null, 1, -1);
  			Assert.IsNull (saea.Buffer, "Buffer");
  			Assert.IsNull (saea.BufferList, "BufferList");
  			Assert.AreEqual (0, saea.Count, "Count");
  			Assert.AreEqual (0, saea.Offset, "Offset");
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_ByteArray_StartOverflow ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [10], Int32.MaxValue, 1);
  		}
  
  		[Test]
  		public void SetBuffer_Null_StartOverflow ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (null, Int32.MaxValue, 1);
  			Assert.IsNull (saea.Buffer, "Buffer");
  			Assert.IsNull (saea.BufferList, "BufferList");
  			Assert.AreEqual (0, saea.Count, "Count");
  			Assert.AreEqual (0, saea.Offset, "Offset");
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_ByteArray_CountOverflow ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [10], 1, Int32.MaxValue);
  		}
  
  		[Test]
  		public void SetBuffer_Null_CountOverflow ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (null, 1, Int32.MaxValue);
  			Assert.IsNull (saea.Buffer, "Buffer");
  			Assert.IsNull (saea.BufferList, "BufferList");
  			Assert.AreEqual (0, saea.Count, "Count");
  			Assert.AreEqual (0, saea.Offset, "Offset");
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_StartNegative ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [0], 0, 0);
  			saea.SetBuffer (-1, 0);
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_CountNegative ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [10], 1, -1);
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_StartOverflow ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  			saea.SetBuffer (new byte [10], Int32.MaxValue, 1);
  		}
  
  		[Test]
  		[ExpectedException (typeof (ArgumentOutOfRangeException))]
  		public void SetBuffer_CountOverflow ()
  		{
  			SocketAsyncEventArgs saea = new SocketAsyncEventArgs ();
  
gt: 			saea.SetBuffer (new byte [10], 1, Int32.MaxValue);