private static boolean compareListValue()

in helix-core/src/main/java/org/apache/helix/tools/TestExecutor.java [209:263]
50 lines of code
21 McCabe index (conditional complexity)

  private static boolean compareListValue(List<String> actualList, List<String> expectList,
      String key, ZNRecord diff) {
    boolean ret = true;
    if (actualList == null && expectList == null) {
      ret = true;
    } else if (actualList == null && expectList != null) {
      ret = false;
      if (diff != null) {
        diff.setListField(key + "/expect", expectList);
      }
    } else if (actualList != null && expectList == null) {
      ret = false;
      if (diff != null) {
        diff.setListField(key + "/actual", actualList);
      }
    } else {
      Iterator<String> itrActual = actualList.iterator();
      Iterator<String> itrExpect = expectList.iterator();
      if (diff != null && diff.getListField(key + "/expect") == null) {
        diff.setListField(key + "/expect", new ArrayList<String>());
      }

      if (diff != null && diff.getListField(key + "/actual") == null) {
        diff.setListField(key + "/actual", new ArrayList<String>());
      }

      while (itrActual.hasNext() && itrExpect.hasNext()) {
        String actual = itrActual.next();
        String expect = itrExpect.next();

        if (STRING_COMPARATOR.compare(actual, expect) != 0) {
          ret = false;
          if (diff != null) {
            diff.getListField(key + "/expect").add(expect);
            diff.getListField(key + "/actual").add(actual);
          }
        }
      }

      while (itrActual.hasNext()) {
        String actual = itrActual.next();
        if (diff != null) {
          diff.getListField(key + "/actual").add(actual);
        }
      }

      while (itrExpect.hasNext()) {
        String expect = itrExpect.next();
        if (diff != null) {
          diff.getListField(key + "/expect").add(expect);
        }
      }
    }
    return ret;
  }