@Test
public final void testGetIdByIndex() {
final Object entityId = container.getIdByIndex(0);
assertNotNull(entityId);
final Object firstId = container.firstItemId();
assertNotNull(firstId);
assertTrue(entityId.equals(firstId));
}
@Test
public final void testIndexOfId() {
final Object entityId = container.firstItemId();
assertNotNull(entityId);
assertTrue(container.indexOfId(entityId) == 0);
}
