コード例 #1
0
        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);
                    }
                }
            }
        }
コード例 #2
0
        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);
                    }
                }
            }
        }