/** subMap returns map with keys in requested range */
public void testSubMapContents() {
ConcurrentNavigableMap map = map5();
SortedMap sm = map.subMap(two, four);
assertEquals(two, sm.firstKey());
assertEquals(three, sm.lastKey());
assertEquals(2, sm.size());
assertFalse(sm.containsKey(one));
assertTrue(sm.containsKey(two));
assertTrue(sm.containsKey(three));
assertFalse(sm.containsKey(four));
assertFalse(sm.containsKey(five));
Iterator i = sm.keySet().iterator();
Object k;
k = (Integer) (i.next());
assertEquals(two, k);
k = (Integer) (i.next());
assertEquals(three, k);
assertFalse(i.hasNext());
Iterator j = sm.keySet().iterator();
j.next();
j.remove();
assertFalse(map.containsKey(two));
assertEquals(4, map.size());
assertEquals(1, sm.size());
assertEquals(three, sm.firstKey());
assertEquals(three, sm.lastKey());
assertEquals("C", sm.remove(three));
assertTrue(sm.isEmpty());
assertEquals(3, map.size());
}
/** subMap returns map with keys in requested range */
public void testDescendingSubMapContents() {
ConcurrentNavigableMap map = dmap5();
SortedMap sm = map.subMap(m2, m4);
assertEquals(m2, sm.firstKey());
assertEquals(m3, sm.lastKey());
assertEquals(2, sm.size());
assertFalse(sm.containsKey(m1));
assertTrue(sm.containsKey(m2));
assertTrue(sm.containsKey(m3));
assertFalse(sm.containsKey(m4));
assertFalse(sm.containsKey(m5));
Iterator i = sm.keySet().iterator();
Object k;
k = (Integer) (i.next());
assertEquals(m2, k);
k = (Integer) (i.next());
assertEquals(m3, k);
assertFalse(i.hasNext());
Iterator j = sm.keySet().iterator();
j.next();
j.remove();
assertFalse(map.containsKey(m2));
assertEquals(4, map.size());
assertEquals(1, sm.size());
assertEquals(m3, sm.firstKey());
assertEquals(m3, sm.lastKey());
assertEquals("C", sm.remove(m3));
assertTrue(sm.isEmpty());
assertEquals(3, map.size());
}
/** headMap returns map with keys in requested range */
public void testTailMapContents() {
ConcurrentNavigableMap map = map5();
SortedMap sm = map.tailMap(two);
assertFalse(sm.containsKey(one));
assertTrue(sm.containsKey(two));
assertTrue(sm.containsKey(three));
assertTrue(sm.containsKey(four));
assertTrue(sm.containsKey(five));
Iterator i = sm.keySet().iterator();
Object k;
k = (Integer) (i.next());
assertEquals(two, k);
k = (Integer) (i.next());
assertEquals(three, k);
k = (Integer) (i.next());
assertEquals(four, k);
k = (Integer) (i.next());
assertEquals(five, k);
assertFalse(i.hasNext());
Iterator ei = sm.entrySet().iterator();
Map.Entry e;
e = (Map.Entry) (ei.next());
assertEquals(two, e.getKey());
assertEquals("B", e.getValue());
e = (Map.Entry) (ei.next());
assertEquals(three, e.getKey());
assertEquals("C", e.getValue());
e = (Map.Entry) (ei.next());
assertEquals(four, e.getKey());
assertEquals("D", e.getValue());
e = (Map.Entry) (ei.next());
assertEquals(five, e.getKey());
assertEquals("E", e.getValue());
assertFalse(i.hasNext());
SortedMap ssm = sm.tailMap(four);
assertEquals(four, ssm.firstKey());
assertEquals(five, ssm.lastKey());
assertEquals("D", ssm.remove(four));
assertEquals(1, ssm.size());
assertEquals(3, sm.size());
assertEquals(4, map.size());
}
/** headMap returns map with keys in requested range */
public void testDescendingTailMapContents() {
ConcurrentNavigableMap map = dmap5();
SortedMap sm = map.tailMap(m2);
assertFalse(sm.containsKey(m1));
assertTrue(sm.containsKey(m2));
assertTrue(sm.containsKey(m3));
assertTrue(sm.containsKey(m4));
assertTrue(sm.containsKey(m5));
Iterator i = sm.keySet().iterator();
Object k;
k = (Integer) (i.next());
assertEquals(m2, k);
k = (Integer) (i.next());
assertEquals(m3, k);
k = (Integer) (i.next());
assertEquals(m4, k);
k = (Integer) (i.next());
assertEquals(m5, k);
assertFalse(i.hasNext());
Iterator ei = sm.entrySet().iterator();
Map.Entry e;
e = (Map.Entry) (ei.next());
assertEquals(m2, e.getKey());
assertEquals("B", e.getValue());
e = (Map.Entry) (ei.next());
assertEquals(m3, e.getKey());
assertEquals("C", e.getValue());
e = (Map.Entry) (ei.next());
assertEquals(m4, e.getKey());
assertEquals("D", e.getValue());
e = (Map.Entry) (ei.next());
assertEquals(m5, e.getKey());
assertEquals("E", e.getValue());
assertFalse(i.hasNext());
SortedMap ssm = sm.tailMap(m4);
assertEquals(m4, ssm.firstKey());
assertEquals(m5, ssm.lastKey());
assertEquals("D", ssm.remove(m4));
assertEquals(1, ssm.size());
assertEquals(3, sm.size());
assertEquals(4, map.size());
}