assertFalse(
        "Two Sets should not be equal if exactly one of them contains null.",
        getSet().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_smallerSet() {
    Collection<E> fewerElements = getSampleElements(getNumElements() - 1);
    assertFalse(
        "Sets of different sizes should not be equal.",

  public void testAbsent() {
    assertEquals(
        "Map.merge(absent, value, function) should return value",
        v3(),
        getMap()
            .merge(
                k3(),
                v3(),
                (oldV, newV) -> {
                  throw new AssertionFailedError(
                      "Should not call merge function if key was absent");
                }));
    expectAdded(e3());
  }

		t.Errorf("should returns record not found error, but got %v", err)
	}

	for _, user := range []User{users[0], users[2]} {
		result = User{}
		if err := DB.Where("id = ?", user.ID).First(&result).Error; err != nil {
			t.Errorf("no error should returns when query %v, but got %v", user.ID, err)
		}
	}

    lockB.unlock();

    // The opposite order should fail (Policies.THROW).
    PotentialDeadlockException firstException = null;
    lockB.lock();
    PotentialDeadlockException expected =
        assertThrows(PotentialDeadlockException.class, () -> lockA.lock());
    checkMessage(expected, "LockB -> LockA", "LockA -> LockB");
    firstException = expected;
    // Second time should also fail, with a cached causal chain.

    lockB.unlock();

    // The opposite order should fail (Policies.THROW).
    PotentialDeadlockException firstException = null;
    lockB.lock();
    PotentialDeadlockException expected =
        assertThrows(PotentialDeadlockException.class, () -> lockA.lock());
    checkMessage(expected, "LockB -> LockA", "LockA -> LockB");
    firstException = expected;
    // Second time should also fail, with a cached causal chain.

		if err != nil {
			t.Fatal(err)
		}
	}

	// The "pre" output should all have been flushed already.
	if want, got := pre, out.String(); want != got {
		t.Errorf("filter should have already flushed %q, but flushed %q", want, got)
	}

	code, err := f.Finish()
	if err != nil {
		t.Fatal(err)
	}

	// Nothing more should have been written to out.
	if want, got := pre, out.String(); want != got {

      assertErrorMessage(
          e, obj + " must not be Object#equals to an arbitrary object of another class");
      return;
    }
    fail("Should get equal to incompatible class error");
  }

  /** Test proper handling where an object is not equal to one the user has said should be equal */
  public void testInvalidNotEqualsEqualObject() {
    equalsTester.addEqualityGroup(reference, notEqualObject1);
    try {

defaultConfig:
  proxyMetadata:
    # should be overridden by the command
    ISTIO_META_DNS_CAPTURE: "false"
    # should be overridden by the annotation on the WorkloadGroup
    PROXY_CONFIG_ANNOT_VALUE: "foo"
    # should be in the final cluster.env/mesh.yaml

		t.Fatalf("no error should happen but got %v", err)
	}

	time.Sleep(time.Second)

	var result2 User
	if err := tx.Find(&result2, user.ID).Error; err != nil {
		t.Fatalf("no error should happen but got %v", err)
	}

	user2 := *GetUser("prepared_stmt2", Config{})
	if err := txCtx.Create(&user2).Error; err == nil {
		t.Fatalf("should failed to create with timeout context")
	}

        }
        return QueryBuilders.boolQuery()//
                .should(QueryBuilders.matchPhraseQuery("title", query).boost(titleBoost))//
                .should(QueryBuilders.matchPhraseQuery("content", query).boost(contentBoost))//
                .should(QueryBuilders.fuzzyQuery("title", query).boost(0.01f).maxExpansions(10))//
                .should(QueryBuilders.fuzzyQuery("content", query).boost(0.005f).maxExpansions(10))//
        ;