Esempio n. 1
0
  @Test
  public void shouldFragmentMessageOverTwoFrames() {
    final int msgLength = termAppender.maxPayloadLength() + 1;
    final int headerLength = DEFAULT_HEADER.capacity();
    final int frameLength = headerLength + 1;
    final int requiredCapacity =
        align(headerLength + 1, FRAME_ALIGNMENT) + termAppender.maxFrameLength();
    final UnsafeBuffer buffer = new UnsafeBuffer(new byte[msgLength]);

    when(metaDataBuffer.getAndAddInt(TERM_TAIL_COUNTER_OFFSET, requiredCapacity)).thenReturn(0);

    assertThat(termAppender.append(buffer, 0, msgLength), is(requiredCapacity));

    int tail = 0;
    final InOrder inOrder = inOrder(termBuffer, metaDataBuffer);
    inOrder
        .verify(metaDataBuffer, times(1))
        .getAndAddInt(TERM_TAIL_COUNTER_OFFSET, requiredCapacity);

    verifyDefaultHeader(inOrder, termBuffer, tail, termAppender.maxFrameLength());
    inOrder
        .verify(termBuffer, times(1))
        .putBytes(tail + headerLength, buffer, 0, termAppender.maxPayloadLength());
    inOrder.verify(termBuffer, times(1)).putByte(flagsOffset(tail), BEGIN_FRAG);
    inOrder.verify(termBuffer, times(1)).putInt(termOffsetOffset(tail), tail, LITTLE_ENDIAN);
    inOrder.verify(termBuffer, times(1)).putIntOrdered(tail, termAppender.maxFrameLength());

    tail = termAppender.maxFrameLength();
    verifyDefaultHeader(inOrder, termBuffer, tail, frameLength);
    inOrder
        .verify(termBuffer, times(1))
        .putBytes(tail + headerLength, buffer, termAppender.maxPayloadLength(), 1);
    inOrder.verify(termBuffer, times(1)).putByte(flagsOffset(tail), END_FRAG);
    inOrder.verify(termBuffer, times(1)).putInt(termOffsetOffset(tail), tail, LITTLE_ENDIAN);
    inOrder.verify(termBuffer, times(1)).putIntOrdered(tail, frameLength);
  }
Esempio n. 2
0
 @Test
 public void shouldReportMaxFrameLength() {
   assertThat(termAppender.maxFrameLength(), is(MAX_FRAME_LENGTH));
 }