reversedTreeMap.put(new Integer(1).toString(), new Integer(1));
reversedTreeMap.put(new Integer(2).toString(), new Integer(2));
assertTrue("TreeMap does not use comparator (firstKey was incorrect)",
reversedTreeMap.firstKey().equals(new Integer(2).toString()));
assertTrue("TreeMap does not use comparator (lastKey was incorrect)",
reversedTreeMap.lastKey().equals(new Integer(1).toString()));
}
/**
* @tests java.util.TreeMap#containsKey(java.lang.Object)
*/