public void testHoldsLockOnAllOperations() {
    create().element();
    create().offer("foo");
    create().peek();
    create().poll();
    create().remove();
    create().add("foo");
    create().addAll(ImmutableList.of("foo"));
    create().clear();
    create().contains("foo");
    create().containsAll(ImmutableList.of("foo"));
    create().equals(new ArrayDeque<>(ImmutableList.of("foo")));

    ArrayTable<String, Integer, Character> table =
        create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertEquals((Character) 'b', table.erase("bar", 1));
    assertNull(table.get("bar", 1));
    assertEquals(9, table.size());
    assertNull(table.erase("bar", 1));
    assertNull(table.erase("foo", 2));
    assertNull(table.erase("dog", 1));
    assertNull(table.erase("bar", 5));
    assertNull(table.erase(null, 1));

    ArrayTable<String, Integer, Character> table =
        create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertEquals((Character) 'b', table.erase("bar", 1));
    assertNull(table.get("bar", 1));
    assertEquals(9, table.size());
    assertNull(table.erase("bar", 1));
    assertNull(table.erase("foo", 2));
    assertNull(table.erase("dog", 1));
    assertNull(table.erase("bar", 5));
    assertNull(table.erase(null, 1));

    new EqualsTester()
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 100, 0.01))
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 100, 0.02))
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 200, 0.01))
        .addEqualityGroup(BloomFilter.create(Funnels.byteArrayFunnel(), 200, 0.02))
        .addEqualityGroup(BloomFilter.create(Funnels.unencodedCharsFunnel(), 100, 0.01))

    create().isEmpty();
    create().iterator();
    create().remove("foo");
    create().removeAll(ImmutableList.of("foo"));
    create().retainAll(ImmutableList.of("foo"));
    create().size();
    create().toArray();
    create().toArray(new String[] {"foo"});
    create().addFirst("e");
    create().addLast("e");
    create().offerFirst("e");
    create().offerLast("e");
    create().removeFirst();

		t.Errorf("user should be created with search value")
	}

	DB.FirstOrCreate(&user3, map[string]interface{}{"name": "find or create 2"})
	if user3.Name != "find or create 2" || user3.ID == 0 {
		t.Errorf("user should be created with inline search value")
	}

	DB.Where(&User{Name: "find or create 3"}).Attrs("age", 44).FirstOrCreate(&user4)

    return new TestEnumMultisetGenerator() {
      @Override
      protected Multiset<AnEnum> create(AnEnum[] elements) {
        return (elements.length == 0)
            ? EnumMultiset.create(AnEnum.class)
            : EnumMultiset.create(asList(elements));
      }
    };
  }

  private enum Color {
    BLUE,
    RED,
    YELLOW,
    GREEN,
    WHITE
  }

   */

  public void testSize() {
    int unused = create().size();
  }

  public void testIsEmpty() {
    boolean unused = create().isEmpty();
  }

  public void testRemove() {
    create().remove(null);
  }

  public void testClear() {
    create().clear();
  }

  public void testContainsKey() {
    boolean unused = create().containsKey(null);
  }

	}{
		{
			SQL:           "create table users (name, age, height, actived, bytes, create_at, update_at, deleted_at, email, role, pass) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
			NumericRegexp: nil,
			Vars:          []interface{}{"jinzhu", 1, 999.99, true, []byte("12345"), tt, &tt, nil, "w@g.\"com", myrole, pwd},

      @Override
      Map<Element, Element> create(Collection<Element> keys) {
        return Collections.unmodifiableMap(Hash.create(keys));
      }
    },
    SyncHM {
      @Override
      Map<Element, Element> create(Collection<Element> keys) {
        return Collections.synchronizedMap(Hash.create(keys));
      }
    },
    Tree {
      @Override
      Map<Element, Element> create(Collection<Element> keys) {