String key = new Integer(100).toString();
assertEquals(tm.ceilingKey(key), treeMap.ceilingKey(key));
assertEquals(tm.ceilingEntry(key), treeMap.ceilingEntry(key));
assertEquals(tm.floorKey(key), treeMap.floorKey(key));
assertEquals(tm.floorEntry(key), treeMap.floorEntry(key));
assertEquals(tm.lowerKey(key), treeMap.lowerKey(key));
assertEquals(tm.lowerEntry(key), treeMap.lowerEntry(key));
assertEquals(tm.higherKey(key), treeMap.higherKey(key));
assertEquals(tm.higherEntry(key), treeMap.higherEntry(key));
assertEquals(tm.entrySet(), treeMap.entrySet());
}