@Test
public void shouldPadLogAndTripWhenAppendingWithInsufficientRemainingCapacityIncludingHeader() {
final int headerLength = DEFAULT_HEADER.capacity();
final int msgLength = 120;
final int requiredFrameSize = align(headerLength + msgLength, FRAME_ALIGNMENT);
final int tailValue =
termAppender.termBuffer().capacity()
- (requiredFrameSize + (headerLength - FRAME_ALIGNMENT));
final UnsafeBuffer buffer = new UnsafeBuffer(new byte[128]);
final int frameLength = TERM_BUFFER_LENGTH - tailValue;
when(metaDataBuffer.getAndAddInt(TERM_TAIL_COUNTER_OFFSET, requiredFrameSize))
.thenReturn(tailValue);
assertThat(termAppender.append(buffer, 0, msgLength), is(TermAppender.TRIPPED));
final InOrder inOrder = inOrder(termBuffer, metaDataBuffer);
inOrder
.verify(metaDataBuffer, times(1))
.getAndAddInt(TERM_TAIL_COUNTER_OFFSET, requiredFrameSize);
verifyDefaultHeader(inOrder, termBuffer, tailValue, frameLength);
inOrder
.verify(termBuffer, times(1))
.putShort(typeOffset(tailValue), (short) PADDING_FRAME_TYPE, LITTLE_ENDIAN);
inOrder
.verify(termBuffer, times(1))
.putInt(termOffsetOffset(tailValue), tailValue, LITTLE_ENDIAN);
inOrder.verify(termBuffer, times(1)).putIntOrdered(tailValue, frameLength);
}
@Test
public void shouldReportCapacity() {
assertThat(termAppender.termBuffer().capacity(), is(TERM_BUFFER_LENGTH));
}