BigInteger halfEven = BigIntegerMath.sqrt(x, HALF_EVEN);
      // Now figure out what rounding mode we should behave like (it depends if FLOOR was
      // odd/even).
      boolean floorWasOdd = BigIntegerMath.sqrt(x, FLOOR).testBit(0);
      assertEquals(BigIntegerMath.sqrt(x, floorWasOdd ? HALF_UP : HALF_DOWN), halfEven);
    }
  }

  @GwtIncompatible // TODO
  @AndroidIncompatible // slow
  public void testDivNonZero() {

    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

    @Test
    public void test_init() {
        // Test initialization with null fields
        queryFieldConfig.init();

        // Verify response fields are initialized
        assertNotNull(queryFieldConfig.getResponseFields());

	if !regexp.MustCompile(`SELECT u\.\* FROM .*users.*`).MatchString(r.Statement.SQL.String()) {
		t.Fatalf("Build Select with u.*, but got %v", r.Statement.SQL.String())
	}
}

func TestOmit(t *testing.T) {
	user := User{Name: "OmitUser1", Age: 20}
	DB.Save(&user)

	var result User
	DB.Where("name = ?", user.Name).Omit("name").Find(&result)
	if result.ID == 0 {

            indexUpdater.interrupt();
            indexUpdater.join(1000);
        }
        super.tearDown(testInfo);
    }

    // Test initialization
    @Test
    public void test_init() {
        indexUpdater.init();
        assertNotNull(indexUpdater);
    }

    // Test initialization with IngestFactory
    @Test
    public void test_init_withIngestFactory() {

func TestCapWithSliceAndWrittenData(t *testing.T) {
	buf := NewBuffer(make([]byte, 0, 10))
	buf.Write([]byte("test"))
	n := buf.Cap()
	if n != 10 {
		t.Errorf("expected 10, got %d", n)
	}
}

func TestNil(t *testing.T) {
	var b *Buffer
	if b.String() != "<nil>" {
		t.Errorf("expected <nil>; got %q", b.String())
	}
}

func TestReadFrom(t *testing.T) {
	var buf Buffer
	for i := 3; i < 30; i += 3 {