public void check(String gt, String ad, String aq, Double expQad) { final VcfRecord rec = new VcfRecord("seq", 0, "A"); rec.addFormatAndSample("GT", gt); rec.addFormatAndSample("AD", ad); rec.addFormatAndSample("AQ", aq); assertEquals(expQad, new MeanQualityDifferenceAnnotation().getValue(rec, 0)); }