Method populate

test/ConcurrentHashMapTest.java:117–157

(ConcurrentMap<Integer, Object> map, int base)

  }

  private static void populate(ConcurrentMap<Integer, Object> map, int base) {
    for (int i = base, j = base + Range; i < j; ++i) {
      map.remove(i);
      Object value = new Object();
      expect(map.put(i, value) == null);
      expect(map.containsKey(i));
      expect(map.get(i).equals(value));
      expect(map.putIfAbsent(i, new Object()) == value);
      expect(map.get(i).equals(value));
      expect(! map.remove(i, new Object()));
      expect(map.remove(i, value));
      expect(map.replace(i, value) == null);
      expect(! map.containsKey(i));
      expect(map.get(i) == null);
      expect(map.putIfAbsent(i, value) == null);
      expect(map.containsKey(i));
      expect(map.get(i) == value);
      Object newValue = new Object();
      expect(map.replace(i, newValue) == value);
      expect(map.get(i) == newValue);

      boolean found = false;
      for (Iterator<Map.Entry<Integer, Object>> it = map.entrySet().iterator();
           it.hasNext();)
      {
        Map.Entry<Integer, Object> e = it.next();
        if (e.getKey() == i) {
          expect(! found);
          expect(e.getValue() == newValue);
          found = true;
          it.remove();
        }
      }

      expect(found);
      expect(! map.containsKey(i));
      expect(map.putIfAbsent(i, value) == null);
      expect(map.containsKey(i));
      expect(map.get(i) == value);
    }
  }

  private static void depopulate(ConcurrentMap<Integer, Object> map, int base)
  {