@Test
public void testConcat() {

  assertArrayEquals(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, JBBPUtils.concat(new byte[] {1, 2, 3, 4}, new byte[] {5}, new byte[] {6, 7, 8, 9}, new byte[0], new byte[] {10}));
}