Method complement

src/test/java/com/rtg/mode/DNATest.java:147–150

()

    final byte[] comps = new byte[1];
    final DNA[] dna = {new DNA(0, DNASimple.N) {
      @Override
      public DNA complement() {
        return DNA.A;
      }
    }};
    DNA.populateComplementArray(comps, dna);
    assertEquals(DNA.A.ordinal(), comps[0]);