/** floorEntry returns preceding entry. */
public void testDescendingFloorEntry() {
ConcurrentNavigableMap map = dmap5();
Map.Entry e1 = map.floorEntry(m3);
assertEquals(m3, e1.getKey());
Map.Entry e2 = map.floorEntry(m6);
assertEquals(m5, e2.getKey());
Map.Entry e3 = map.floorEntry(m1);
assertEquals(m1, e3.getKey());
Map.Entry e4 = map.floorEntry(zero);
assertNull(e4);
}
/** floorEntry returns preceding entry. */
public void testFloorEntry() {
ConcurrentNavigableMap map = map5();
Map.Entry e1 = map.floorEntry(three);
assertEquals(three, e1.getKey());
Map.Entry e2 = map.floorEntry(six);
assertEquals(five, e2.getKey());
Map.Entry e3 = map.floorEntry(one);
assertEquals(one, e3.getKey());
Map.Entry e4 = map.floorEntry(zero);
assertNull(e4);
}