public void unframe_record_when_provided_exactly_enough_data_in_one_call()
{
int unframedCnt = 0;
var framer = new LengthPrefixSuffixFramer(r =>
{
unframedCnt += 1;
Assert.AreEqual(new byte[] { 0x07, 0x17, 0x27 }, ReadAll(r));
});
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x03, 0x00, 0x00, 0x00,
0x07, 0x17, 0x27,
0x03, 0x00, 0x00, 0x00}));
Assert.AreEqual(1, unframedCnt);
}
public void unframe_record_when_provided_with_small_chunks_of_data_at_a_time()
{
int unframedCnt = 0;
var framer = new LengthPrefixSuffixFramer(r =>
{
unframedCnt += 1;
Assert.AreEqual(new byte[] { 0x07, 0x17, 0x27 }, ReadAll(r));
});
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x03, 0x00 }));
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x00, 0x00 }));
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x07, 0x17, 0x27 }));
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x03, 0x00 }));
Assert.AreEqual(0, unframedCnt);
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x00, 0x00 }));
Assert.AreEqual(1, unframedCnt);
}
public void correctly_frame_byte_array()
{
var framer = new LengthPrefixSuffixFramer(r => {});
var data = new byte[] { 0x7, 0x17, 0x27 };
var framedData = MergeBytes(framer.FrameData(new ArraySegment<byte>(data)));
Assert.AreEqual(11, framedData.Length);
Assert.AreEqual(0x03, framedData[0]);
Assert.AreEqual(0x00, framedData[1]);
Assert.AreEqual(0x00, framedData[2]);
Assert.AreEqual(0x00, framedData[3]);
Assert.AreEqual(0x07, framedData[4]);
Assert.AreEqual(0x17, framedData[5]);
Assert.AreEqual(0x27, framedData[6]);
Assert.AreEqual(0x03, framedData[7]);
Assert.AreEqual(0x00, framedData[8]);
Assert.AreEqual(0x00, framedData[9]);
Assert.AreEqual(0x00, framedData[10]);
}
public void unframe_two_consecutive_records()
{
int unframedCnt = 0;
var framer = new LengthPrefixSuffixFramer(r =>
{
if (unframedCnt == 0)
Assert.AreEqual(new byte[] { 0x07, 0x17, 0x27 }, ReadAll(r));
else if (unframedCnt == 1)
Assert.AreEqual(new byte[] { 0x05, 0x15 }, ReadAll(r));
else
Assert.Fail();
unframedCnt += 1;
});
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x03, 0x00, 0x00, 0x00,
0x07, 0x17, 0x27 }));
Assert.AreEqual(0, unframedCnt);
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x03, 0x00, 0x00, 0x00,
0x02, 0x00, 0x00, 0x00,
0x05, 0x15 }));
Assert.AreEqual(1, unframedCnt);
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x02, 0x00, 0x00, 0x00}));
Assert.AreEqual(2, unframedCnt);
}
public void discard_data_when_reset_and_continue_unframing_from_blank_slate()
{
int unframedCnt = 0;
var framer = new LengthPrefixSuffixFramer(r =>
{
if (unframedCnt == 0)
Assert.AreEqual(new byte[] { 0x07, 0x17, 0x27 }, ReadAll(r));
else if (unframedCnt == 1)
Assert.AreEqual(new byte[] { 0x05, 0x15 }, ReadAll(r));
else
Assert.Fail();
unframedCnt += 1;
});
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x03, 0x00, 0x00, 0x00,
0x07, 0x17, 0x27,
0x03, 0x00, 0x00, 0x00,
0xAA, 0xBB, 0xCC, 0x00,
0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08 }));
Assert.AreEqual(1, unframedCnt);
framer.Reset();
framer.UnFrameData(new ArraySegment<byte>(new byte[] { 0x02, 0x00, 0x00, 0x00,
0x05, 0x15,
0x02, 0x00, 0x00, 0x00 }));
Assert.AreEqual(2, unframedCnt);
}