}

	AssertAssociationCount(t, user2, "Company", 0, "after clear")
	AssertAssociationCount(t, user2, "Manager", 0, "after clear")

	// unexist company id
	unexistCompanyID := company.ID + 9999999
	user = User{Name: "invalid-user-with-invalid-belongs-to-foreign-key", CompanyID: &unexistCompanyID}
	if err := DB.Create(&user).Error; err == nil {
		tidbSkip(t, "not support the foreign key feature")

      new EqualsTester()
          .addEqualityGroup(powerSet1, powerSet2, toHashSets(powerSet1))
          .addEqualityGroup(ImmutableSet.of())
          .addEqualityGroup(ImmutableSet.of(9999999))
          .addEqualityGroup("notASet")
          .testEquals();
      assertEquals(toHashSets(powerSet1).hashCode(), powerSet1.hashCode());
    }
  }

  public void testPowerSetEquals_independentOfOrder() {

	FMOVS	$0, F11                // b37400b0
	FMOVD	$0, F12                // b37500c0
	FMOVS	(R1)(R2*1), F0         // 78021000
	FMOVS	n-8(SP), F15           // 78f0f010
	FMOVD	-9999999(R8)(R9*1), F8 // c0a1ff67698141aa9000688a8000
	FMOVD	F4, F5                 // 2854

	// RX (12-bit displacement) and RXY (20-bit displacement) instruction encoding (e.g. LD vs LDY)
	FMOVD	(R1), F0               // 68001000

		{"-1.999000", time.Unix(-1, -1e9+1e6), true},
		{"-1.999999", time.Unix(-1, -1e9+1e3), true},
		{"-1.999999999", time.Unix(-1, -1e9+1e0), true},
		{"0.000000001", time.Unix(0, 1e0+0e0), true},
		{"0.000001", time.Unix(0, 1e3+0e0), true},
		{"0.001000", time.Unix(0, 1e6+0e0), true},
		{"0", time.Unix(0, 0e0), true},
		{"0.999000", time.Unix(0, 1e9-1e6), true},
		{"0.999999", time.Unix(0, 1e9-1e3), true},

			NumericRegexp: nil,
			Vars:          []interface{}{"jinzhu", 1, 999.99, true, []byte("12345"), tt, &tt, nil, "w@g.\"com", myrole, pwd},
			Result:        `create table users (name, age, height, actived, bytes, create_at, update_at, deleted_at, email, role, pass) values ("jinzhu", 1, 999.99, true, "12345", "2020-02-23 11:10:10", "2020-02-23 11:10:10", NULL, "w@g.""com", "admin", "pass")`,
		},
		{

    assertNull(Punycode.decode("xn--cat-ñ3h"))
  }

  @Test fun unterminatedCodePoint() {
    assertNull(Punycode.decode("xn--cat-n"))
  }

  @Test fun overflowI() {
    assertNull(Punycode.decode("xn--99999999"))
  }

  @Test fun overflowMaxCodePoint() {
    assertNull(Punycode.decode("xn--a-b.net"))
    assertNull(Punycode.decode("xn--a-9b.net"))
    assertEquals("a՚.net", Punycode.decode("xn--a-99b.net"))

		s           string
		startIdx    int
		length      int
		resExpected string
		errExpected error
	}{
		{"abcd", 1, 1, "a", nil},
		{"abcd", -1, 1, "a", nil},
		{"abcd", 999, 999, "", nil},
		{"", 999, 999, "", nil},
		{"测试abc", 1, 1, "测", nil},
		{"测试abc", 5, 5, "c", nil},
	}

	for i, tc := range evalCases {
		res, err := evalSQLSubstring(tc.s, tc.startIdx, tc.length)

  private final FakeTicker ticker = new FakeTicker();
  private final Stopwatch stopwatch = new Stopwatch(ticker);

  public void testElapsed_duration() {
    stopwatch.start();
    ticker.advance(999999);
    assertEquals(Duration.ofNanos(999999), stopwatch.elapsed());
    ticker.advance(1);
    assertEquals(Duration.ofMillis(1), stopwatch.elapsed());
  }

lationCode":"4000A1","ViolationDescr":"NO EVIDENCE OF REG","Fine":50,"Latitude":99999,"Longitude":99999} {"Ticket":1103700150,"IssueData":"2015-12-21T00:00:00","IssueTime":"1435","RPState":"CA","PlateExpiry":"201512","Make":"GMC","BodyStyle":"VN","Color":"WH","Location":"525 S MAIN ST","Route":"1C51","Agency":1,"ViolationCode":"4000A1","ViolationDescr":"NO EVIDENCE OF REG","Fine":50,"Latitude":99999,"Longitude":99999} {"Ticket":1104803000,"IssueData":"2015-12-21T00:00:00","IssueTime":"2055","RPS...

        assertEquals(expected5, DocumentUtil.getValue(doc, "key5", Long.class).longValue());
    }

    public void test_double() {
        Map<String, Object> doc = new HashMap<>();

        double expected6 = 999.999;
        doc.put("key6", expected6);
        assertEquals(expected6, DocumentUtil.getValue(doc, "key6", Double.class));
    }

    public void test_float() {
        Map<String, Object> doc = new HashMap<>();