public void MultiBufferMemoryStreamReadSeekSetLengthTest()
{
byte[] outBuffer = new byte[2 * 1024 * 1024];
byte[] buffer = GetRandomBuffer(outBuffer.Length);
using (MemoryStream memStream = new MemoryStream())
{
memStream.Write(buffer, 0, buffer.Length);
using (MultiBufferMemoryStream multiBufferStream = new MultiBufferMemoryStream(null /* bufferManager */))
{
multiBufferStream.Write(buffer, 0, buffer.Length);
multiBufferStream.Seek(0, SeekOrigin.Begin);
TestHelper.AssertStreamsAreEqual(memStream, multiBufferStream);
multiBufferStream.Read(outBuffer, 0, buffer.Length);
TestHelper.AssertBuffersAreEqual(buffer, outBuffer);
multiBufferStream.Seek(-1, SeekOrigin.End);
Assert.AreEqual(buffer.Length - 1, multiBufferStream.Position);
multiBufferStream.Seek(-1024, SeekOrigin.End);
memStream.Seek(-1024, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(multiBufferStream, memStream);
multiBufferStream.SetLength(3 * 1024 * 1024);
memStream.SetLength(3 * 1024 * 1024);
multiBufferStream.Seek(0, SeekOrigin.Begin);
memStream.Seek(0, SeekOrigin.Begin);
TestHelper.AssertStreamsAreEqual(memStream, multiBufferStream);
}
}
}
public void MultiBufferMemoryStreamReadSeekSetLengthTestAPM()
{
byte[] outBuffer = new byte[2 * 1024 * 1024];
byte[] buffer = GetRandomBuffer(outBuffer.Length);
using (MemoryStream memStream = new MemoryStream())
{
memStream.Write(buffer, 0, buffer.Length);
using (MultiBufferMemoryStream multiBufferStream = new MultiBufferMemoryStream(null /* bufferManager */))
{
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
IAsyncResult result = multiBufferStream.BeginWrite(buffer, 0, buffer.Length, ar => waitHandle.Set(), null);
waitHandle.WaitOne();
multiBufferStream.EndWrite(result);
multiBufferStream.Seek(0, SeekOrigin.Begin);
TestHelper.AssertStreamsAreEqual(memStream, multiBufferStream);
result = multiBufferStream.BeginRead(outBuffer, 0, buffer.Length, ar => waitHandle.Set(), null);
waitHandle.WaitOne();
multiBufferStream.EndRead(result);
TestHelper.AssertBuffersAreEqual(buffer, outBuffer);
multiBufferStream.Seek(-1, SeekOrigin.End);
Assert.AreEqual(buffer.Length - 1, multiBufferStream.Position);
multiBufferStream.Seek(-1024, SeekOrigin.End);
memStream.Seek(-1024, SeekOrigin.End);
TestHelper.AssertStreamsAreEqual(multiBufferStream, memStream);
multiBufferStream.SetLength(3 * 1024 * 1024);
memStream.SetLength(3 * 1024 * 1024);
multiBufferStream.Seek(0, SeekOrigin.Begin);
memStream.Seek(0, SeekOrigin.Begin);
TestHelper.AssertStreamsAreEqual(memStream, multiBufferStream);
}
}
}
}