/*
       * If we're about to complete the TimeoutFuture, we want to release our reference to it.
       * Otherwise, we'll pin it (and its result) in memory until the timeout task is GCed. (The
       * need to clear our reference to the TimeoutFuture is the reason we use a *static* nested
       * class with a manual reference back to the "containing" class.)
       *

    assertEquals(asList(5, 7, 5, 9, 3), fromList);
    toList.remove(Integer.valueOf(5));
    assertEquals(asList(5, 7, 9, 3), fromList);
    toList.set(1, 8);
    assertEquals(asList(5, 7, 8, 3), fromList);
    toList.clear();
    assertEquals(emptyList(), fromList);
  }

  @SafeVarargs
  private static <E> List<E> list(E... elements) {
    return ImmutableList.copyOf(elements);
  }

     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        synonymPager.clear();
        return asHtml(path_AdminDictSynonym_AdminDictSynonymJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    /**
     * Displays a paginated list of synonym items.

  public NavigableSet<E> elementSet() {
    return delegate().elementSet();
  }

  /**
   * A sensible implementation of {@link SortedMultiset#elementSet} in terms of the following
   * methods: {@link SortedMultiset#clear}, {@link SortedMultiset#comparator}, {@link
   * SortedMultiset#contains}, {@link SortedMultiset#containsAll}, {@link SortedMultiset#count},
   * {@link SortedMultiset#firstEntry} {@link SortedMultiset#headMultiset}, {@link

```Python
item: Item
```

...and with that single declaration you get:

* Editor support, including:
    * Completion.
    * Type checks.
* Validation of data:
    * Automatic and clear errors when the data is invalid.
    * Validation even for deeply nested JSON objects.

        // been closed since this read began we must discard the incoming data and tell the
        // connection we've done so.
        withLock {
          if (closed) {
            receiveBuffer.clear()
          } else {
            val wasEmpty = readBuffer.size == 0L
            readBuffer.writeAll(receiveBuffer)
            if (wasEmpty) {
              notifyAll()
            }
          }
        }

     * @param form the search form
     * @return HTML response for the reset list
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse reset(final SearchForm form) {
        keyMatchPager.clear();
        return asHtml(path_AdminKeymatch_AdminKeymatchJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    /**
     * Sets up data for search result pagination.
     *

    assertThat(elementSet).containsExactly("a", "b", "c", "d", "e", "f").inOrder();
    SortedSet<String> subset = elementSet.subSet("b", "f");
    assertThat(subset).containsExactly("b", "c", "d", "e").inOrder();

    subset.clear();
    assertThat(elementSet).containsExactly("a", "f").inOrder();
    assertThat(subset).isEmpty();
    assertEquals(3, ms.size());
  }

  public void testCustomComparator() throws Exception {

          // Keep looping till we find a non-duplicate value.
          if (!duplicate) {
            lastValue = next;
            return lastValue;
          }
        }

        lastValue = null; // clear reference to unused data
        return endOfData();
      }
    };
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

		}, {
			Number: "2",
		}},
	}

	if err := DB.Create(&member).Error; err != nil {
		t.Fatalf("Failed to create test data, got error: %v", err)
	}

	if err := DB.Model(member).Association("Profiles").Clear(); err == nil {
		t.Fatalf("No error occurred during clearind not null association")
	}
}

func TestForeignKeyConstraints(t *testing.T) {
	tidbSkip(t, "not support the foreign key feature")

	type Profile struct {