public virtual void TestDoubleBuffer()
{
EditsDoubleBuffer buf = new EditsDoubleBuffer(1024);
NUnit.Framework.Assert.IsTrue(buf.IsFlushed());
byte[] data = new byte[100];
buf.WriteRaw(data, 0, data.Length);
NUnit.Framework.Assert.AreEqual("Should count new data correctly", data.Length, buf
.CountBufferedBytes());
NUnit.Framework.Assert.IsTrue("Writing to current buffer should not affect flush state"
, buf.IsFlushed());
// Swap the buffers
buf.SetReadyToFlush();
NUnit.Framework.Assert.AreEqual("Swapping buffers should still count buffered bytes"
, data.Length, buf.CountBufferedBytes());
NUnit.Framework.Assert.IsFalse(buf.IsFlushed());
// Flush to a stream
DataOutputBuffer outBuf = new DataOutputBuffer();
buf.FlushTo(outBuf);
NUnit.Framework.Assert.AreEqual(data.Length, outBuf.GetLength());
NUnit.Framework.Assert.IsTrue(buf.IsFlushed());
NUnit.Framework.Assert.AreEqual(0, buf.CountBufferedBytes());
// Write some more
buf.WriteRaw(data, 0, data.Length);
NUnit.Framework.Assert.AreEqual("Should count new data correctly", data.Length, buf
.CountBufferedBytes());
buf.SetReadyToFlush();
buf.FlushTo(outBuf);
NUnit.Framework.Assert.AreEqual(data.Length * 2, outBuf.GetLength());
NUnit.Framework.Assert.AreEqual(0, buf.CountBufferedBytes());
outBuf.Close();
}
/// <exception cref="System.IO.IOException"/>
public virtual void Close()
{
inBuf.Close();
outBuf.Close();
deserializer.Close();
serializer.Close();
}
/// <summary>Convert writables to a byte array</summary>
public static byte[] ToByteArray(params IWritable[] writables)
{
DataOutputBuffer @out = new DataOutputBuffer();
try
{
foreach (IWritable w in writables)
{
w.Write(@out);
}
@out.Close();
}
catch (IOException e)
{
throw new RuntimeException("Fail to convert writables to a byte array", e);
}
return(@out.GetData());
}