testInvariants(TreeRangeSet.create());
  }

  public void testEmptyIntersecting() {
    testIntersects(TreeRangeSet.<Integer>create());
    testIntersects(TreeRangeSet.<Integer>create().complement());
  }

  public void testAllSingleRangesIntersecting() {
    for (Range<Integer> range : QUERY_RANGES) {
      TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
      rangeSet.add(range);

 * limitations under the License.
 */
package okhttp3

import okio.ByteString

/**
 * A non-blocking interface to a web socket. Use the [factory][WebSocket.Factory] to create
 * instances; usually this is [OkHttpClient].
 *
 * ## Web Socket Lifecycle
 *
 * Upon normal operation each web socket progresses through a sequence of states:
 *

    tester.testAllPublicStaticMethods(AtomicLongMap.class);
    AtomicLongMap<Object> map = AtomicLongMap.create();
    tester.testAllPublicInstanceMethods(map);
  }

  public void testCreate_map() {
    Map<String, Long> in = ImmutableMap.of("1", 1L, "2", 2L, "3", 3L);
    AtomicLongMap<String> map = AtomicLongMap.create(in);
    assertFalse(map.isEmpty());
    assertEquals(3, map.size());
    assertTrue(map.containsKey("1"));

                new TestStringSetMultimapGenerator() {
                  @Override
                  protected SetMultimap<String, String> create(Entry<String, String>[] entries) {
                    SetMultimap<String, String> multimap = LinkedHashMultimap.create();
                    for (Entry<String, String> entry : entries) {
                      multimap.put(entry.getKey(), entry.getValue());
                    }

    suite.addTest(
        QueueTestSuiteBuilder.using(
                new TestStringQueueGenerator() {
                  @Override
                  protected Queue<String> create(String[] elements) {
                    return MinMaxPriorityQueue.create(asList(elements));
                  }
                })
            .named("MinMaxPriorityQueue")
            .withFeatures(CollectionSize.ANY, CollectionFeature.GENERAL_PURPOSE)

    ArrayListMultimap<String, Integer> multimap = ArrayListMultimap.create(original);
    assertEquals(3, multimap.expectedValuesPerKey);
  }

  public void testCreateFromArrayListMultimap() {
    ArrayListMultimap<String, Integer> original = ArrayListMultimap.create(15, 20);
    ArrayListMultimap<String, Integer> multimap = ArrayListMultimap.create(original);

	// Some MySQL has a 3072 byte limit on key sizes.
	mysqlCreateNamespaceTable = `CREATE TABLE %s (
             key_name VARCHAR(3072) NOT NULL,
             key_hash CHAR(64) GENERATED ALWAYS AS (SHA2(key_name, 256)) STORED NOT NULL PRIMARY KEY,
             value JSON)
           CHARACTER SET = utf8mb4 COLLATE = utf8mb4_bin ROW_FORMAT = Dynamic;`
	mysqlCreateAccessTable = `CREATE TABLE %s (event_time DATETIME NOT NULL, event_data JSON)

 * @since 14.0
 */
// Coffee's for {@link Closer closers} only.
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class Closer implements Closeable {
  /** Creates a new {@link Closer}. */
  public static Closer create() {
    return new Closer(SUPPRESSING_SUPPRESSOR);
  }

  @VisibleForTesting final Suppressor suppressor;

	}

	city := City{Name: "Amsterdam"}

	err = db.Create(&city).Error
	if err != nil {
		t.Fatalf("failed to create city: %v", err)
	}

	err = db.Create(&Museum{Name: "Eye Filmmuseum", CityID: city.ID}).Error
	if err != nil {
		t.Fatalf("failed to create museum: %v", err)
	}

	err = db.Create(&Museum{Name: "Dungeon", CityID: 123}).Error
	if !errors.Is(err, gorm.ErrForeignKeyViolated) {

    Map<Currency, String> emptyBimap = EnumHashBiMap.create(Currency.class);
    bimap = EnumHashBiMap.create(emptyBimap);
    assertTrue(bimap.isEmpty());

    /* Map can be empty if it's an EnumBiMap. */
    Map<Currency, Country> emptyBimap2 = EnumBiMap.create(Currency.class, Country.class);
    EnumHashBiMap<Currency, Country> bimap2 = EnumHashBiMap.create(emptyBimap2);
    assertTrue(bimap2.isEmpty());
  }