/// <summary>
/// Ends an async read operation on the stream.
/// </summary>
/// <param name="asyncResult">The async operation created with BeginRead call.</param>
public override int EndRead(IAsyncResult asyncResult)
{
ExceptionUtilities.Assert(!this.FailOnRead, "A read operation should never be called on this stream.");
TestAsyncResult testAsyncResult = asyncResult as TestAsyncResult;
if (testAsyncResult == null)
{
throw new ArgumentException("Unexpected IAsyncResult implementation.");
}
return(((Func <int>)testAsyncResult.CustomState)());
}
/// <summary>
/// Ends an async write operation on the stream.
/// </summary>
/// <param name="asyncResult">The async operation created with BeginWrite call.</param>
public override void EndWrite(IAsyncResult asyncResult)
{
ExceptionUtilities.Assert(!this.FailOnWrite, "A write operation should never be called on this stream.");
TestAsyncResult testAsyncResult = asyncResult as TestAsyncResult;
if (testAsyncResult == null)
{
throw new ArgumentException("Unexpected IAsyncResult implementation.");
}
((Action)testAsyncResult.CustomState)();
}
/// <summary>
/// Begins an async read operation on the stream.
/// </summary>
/// <param name="buffer">The buffer to write the data to.</param>
/// <param name="offset">Offset in the buffer to start writing at.</param>
/// <param name="count">Number of bytes to read.</param>
/// <param name="callback">Async callback.</param>
/// <param name="state">Async callback state.</param>
/// <returns>An async operation representing the read.</returns>
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
ExceptionUtilities.Assert(!this.FailOnRead, "A read operation should never be called on this stream.");
if (this.AsyncMethodBehaviorsEnumerator != null)
{
this.AsyncMethodBehavior = this.AsyncMethodBehaviorsEnumerator.MoveNext() ? this.AsyncMethodBehaviorsEnumerator.Current : default(AsyncMethodBehavior);
}
TestAsyncResult asyncResult = TestAsyncResult.Create(this.AsyncMethodBehavior, callback, state);
asyncResult.CustomState = (Func <int>)(() => { return(this.InnerStream.Read(buffer, offset, count)); });
asyncResult.Start();
return(asyncResult);
}