public void Test()
{
byte[] inbuf = { (byte)'i', (byte)'n', (byte)'\n' };
var inStream = new MemoryStream(inbuf);
var outStream = new MemoryStream();
var mergedStream = new MergedStream(inStream, outStream);
byte[] outbuf = { (byte)'o', (byte)'u', (byte)'t', (byte)'\n' };
mergedStream.Write(outbuf);
Assert.Equal("in", new StreamReader(mergedStream).ReadLine().Trim());
outStream.Position = 0;
Assert.Equal("out", new StreamReader(outStream).ReadLine().Trim());
}
