// Now test reading from the top.
top = new HalfMapFileReader(this.fs, p.toString(), this.conf,
Reference.Range.top, midkey, null);
first = true;
while (top.next(key, value)) {
assertTrue(key.compareTo((HStoreKey)midkey) >= 0);
if (first) {
first = false;
LOG.info("First in top: " + key.toString());
}
}