Assert.assertFalse(line == null);
final VariantContext vc = codec.decode(line);
final String lineAnn = lineIteratorAnn.next();
Assert.assertFalse(lineAnn == null);
final VariantContext vcAnn = codecAnn.decode(lineAnn);
Assert.assertTrue(vc.hasAttribute("FS"));
Assert.assertTrue(vcAnn.hasAttribute("FS"));
Assert.assertEquals(vc.getAttributeAsDouble("FS", 0.0), vcAnn.getAttributeAsDouble("FS", -1.0));
}