public void ShouldFragmentMessageOverTwoFrames()
{
int msgLength = MaxPayloadLength + 1;
int headerLength = _defaultHeader.Capacity;
int frameLength = headerLength + 1;
int requiredCapacity = BitUtil.Align(headerLength + 1, FrameDescriptor.FRAME_ALIGNMENT) + MaxFrameLength;
UnsafeBuffer buffer = new UnsafeBuffer(new byte[msgLength]);
int tail = 0;
A.CallTo(() => _metaDataBuffer.GetAndAddLong(LogBufferDescriptor.TERM_TAIL_COUNTER_OFFSET, requiredCapacity)).Returns(TermAppender.Pack(TermID, tail));
Assert.That(_termAppender.AppendFragmentedMessage(_headerWriter, buffer, 0, msgLength, MaxPayloadLength, RVS), Is.EqualTo((long)requiredCapacity));
A.CallTo(() => _metaDataBuffer.GetAndAddLong(LogBufferDescriptor.TERM_TAIL_COUNTER_OFFSET, requiredCapacity)).MustHaveHappened()
.Then(A.CallTo(() => _headerWriter.Write(_termBuffer, tail, MaxFrameLength, TermID)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutBytes(tail + headerLength, buffer, 0, MaxPayloadLength)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutByte(FrameDescriptor.FlagsOffset(tail), FrameDescriptor.BEGIN_FRAG_FLAG)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutLong(tail + DataHeaderFlyweight.RESERVED_VALUE_OFFSET, RV)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutIntOrdered(tail, MaxFrameLength)).MustHaveHappened())
.Then(A.CallTo(() => _headerWriter.Write(_termBuffer, MaxFrameLength, frameLength, TermID)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutBytes(MaxFrameLength + headerLength, buffer, MaxPayloadLength, 1)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutByte(FrameDescriptor.FlagsOffset(MaxFrameLength), FrameDescriptor.END_FRAG_FLAG)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutLong(MaxFrameLength + DataHeaderFlyweight.RESERVED_VALUE_OFFSET, RV)).MustHaveHappened())
.Then(A.CallTo(() => _termBuffer.PutIntOrdered(MaxFrameLength, frameLength)).MustHaveHappened());
}
public void ShouldGetByteArrayFromBuffer(IAtomicBuffer buffer)
{
byte[] testArray = { (byte)'H', (byte)'e', (byte)'l', (byte)'l', (byte)'o' };
var i = Index;
foreach (var v in testArray)
{
buffer.PutByte(i, v);
i += BitUtil.SIZE_OF_BYTE;
}
var result = new byte[testArray.Length];
buffer.GetBytes(Index, result);
Assert.That(result, Is.EqualTo(testArray));
}
public static void FrameFlags(IAtomicBuffer buffer, int termOffset, byte flags)
{
buffer.PutByte(FlagsOffset(termOffset), flags);
}
public void ShouldPutByteToBuffer(IAtomicBuffer buffer)
{
buffer.PutByte(Index, ByteValue);
Assert.That(Marshal.ReadByte(buffer.BufferPointer, Index), Is.EqualTo(ByteValue));
}
/// <summary>
/// Write the flags field for a frame.
/// </summary>
/// <param name="buffer"> containing the frame. </param>
/// <param name="termOffset"> at which a frame begins. </param>
/// <param name="flags"> value for the frame. </param>
public static void FrameFlags(IAtomicBuffer buffer, int termOffset, byte flags)
{
buffer.PutByte(FlagsOffset(termOffset), flags);
}