protected void assertRetrievedItem(Object obj) throws Exception {
    ArrayList item = (ArrayList) obj;
    IntItem intItem = (IntItem) item.get(0);
    TAIntItem taIntItem = (TAIntItem) item.get(1);

    Assert.isNotNull(intItem);
    Assert.isNotNull(taIntItem);

    Assert.areEqual(100, intItem.value);
    Assert.areEqual(new Integer(200), intItem.i);
    Assert.areEqual(new Integer(300), intItem.obj);

    Assert.areEqual(0, taIntItem.value);
    isPrimitiveNull(taIntItem.i);
    Assert.isNull(taIntItem.obj);
  }
 private void assertDescendingRange(int startingValue, TAItem item) {
   TAItem current = item;
   while (current != null) {
     Assert.areEqual(startingValue, current.value());
     current = current.next();
     startingValue--;
   }
 }
  protected void assertItemValue(Object obj) throws Exception {
    ArrayList item = (ArrayList) obj;
    IntItem intItem = (IntItem) item.get(0);
    TAIntItem taIntItem = (TAIntItem) item.get(1);

    Assert.areEqual(100, intItem.value());
    Assert.areEqual(new Integer(200), intItem.integerValue());
    Assert.areEqual(new Integer(300), intItem.object());

    Assert.areEqual(100, taIntItem.value());
    Assert.areEqual(new Integer(200), taIntItem.integerValue());
    Assert.areEqual(new Integer(300), taIntItem.object());
  }
  public void testRefresh() {
    ExtObjectContainer client1 = openNewSession();
    ExtObjectContainer client2 = openNewSession();
    TAItem item1 = (TAItem) retrieveInstance(client1);
    TAItem item2 = (TAItem) retrieveInstance(client2);

    assertDescendingRange(10, item1);

    assertDescendingRange(10, item2);

    item1.value(100);
    item1.next().value(200);
    client1.store(item1, 2);
    client1.commit();

    Assert.areEqual(100, item1.value());
    Assert.areEqual(200, item1.next().value());

    Assert.areEqual(10, item2.value());
    Assert.areEqual(9, item2.next().value());

    // refresh 0
    client2.refresh(item2, 0);
    Assert.areEqual(10, item2.value());
    Assert.areEqual(9, item2.next().value());

    // refresh 1
    client2.refresh(item2, 1);
    Assert.areEqual(100, item2.value());
    Assert.areEqual(9, item2.next().value());

    // refresh 2
    client2.refresh(item2, 2);
    Assert.areEqual(100, item2.value());
    Assert.areEqual(200, item2.next().value());

    updateAscendingWithRange(item1, 1000);
    client1.store(item1, 5);
    client1.commit();

    client2.refresh(item2, 5);
    TAItem next2 = item2;
    for (int i = 1000; i < 1005; i++) {
      Assert.areEqual(i, next2.value());
      next2 = next2.next();
    }
    client1.close();
    client2.close();
  }
  public void testRefresh() {
    ExtObjectContainer client1 = openNewSession();
    ExtObjectContainer client2 = openNewSession();
    Item item1 = retrieveInstance(client1);
    Item item2 = retrieveInstance(client2);

    Item next1 = item1;
    int value = 10;
    while (next1 != null) {
      Assert.areEqual(value, next1.getValue());
      next1 = next1.next();
      value--;
    }

    Item next2 = item2;
    value = 10;
    while (next2 != null) {
      Assert.areEqual(value, next2.getValue());
      next2 = next2.next();
      value--;
    }

    item1.setValue(100);
    item1.next().setValue(200);
    client1.store(item1, 2);
    client1.commit();

    Assert.areEqual(100, item1.getValue());
    Assert.areEqual(200, item1.next().getValue());

    Assert.areEqual(10, item2.getValue());
    Assert.areEqual(9, item2.next().getValue());

    // refresh 0
    client2.refresh(item2, 0);
    Assert.areEqual(10, item2.getValue());
    Assert.areEqual(9, item2.next().getValue());

    // refresh 1
    client2.refresh(item2, 1);
    Assert.areEqual(100, item2.getValue());
    Assert.areEqual(9, item2.next().getValue());

    // refresh 2
    client2.refresh(item2, 2);
    Assert.areEqual(100, item2.getValue());
    // FIXME: maybe a bug
    // Assert.areEqual(200, item2.next().getValue());

    next1 = item1;
    value = 1000;
    while (next1 != null) {
      next1.setValue(value);
      next1 = next1.next();
      value++;
    }
    client1.store(item1, 5);
    client1.commit();

    client2.refresh(item2, 5);
    next2 = item2;
    for (int i = 1000; i < 1005; i++) {
      Assert.areEqual(i, next2.getValue());
      next2 = next2.next();
    }

    client1.close();
    client2.close();
  }