chunk = buffer.peekNextEntry();
Assert.assertArrayEquals(buildBytesChunk(6), chunk);
assertEquals(6, buffer.getNextEntryLength());
byte[] buf = new byte[6];
assertEquals(6, buffer.readNextEntry(buf, 0));
Assert.assertArrayEquals(chunk, buf);
// and when empty, nothing more:
assertEquals(-1, buffer.skipNextEntry());
assertTrue(buffer.isEmpty());