def METHOD_NAME(self):
    v, u = self.Q_(4.0, 's ** 2'), self.Q_(.1, 's ** 2')
    m = self.ureg.Measurement(v, u)
    self.assertEqual(str(m), '(4.00 +/- 0.10) second ** 2')
    self.assertEqual(repr(m), '<Measurement(4.00, 0.10, second ** 2)>')
    #self.assertEqual('{:!s}'.format(m), '(4.00 +/- 0.10) second ** 2')
    #self.assertEqual('{:!r}'.format(m), '<Measurement(4.0-, 0.10, second ** 2)>')
    self.assertEqual('{0:P}'.format(m), '(4.00 ± 0.10) second²')
    self.assertEqual('{0:L}'.format(m), r'\left(4.00 \pm 0.10\right)\ \mathrm{second}^{2}')
    self.assertEqual('{0:H}'.format(m), '(4.00 &plusmn; 0.10) second<sup>2</sup>')
    self.assertEqual('{0:C}'.format(m), '(4.00+/-0.10) second**2')
    self.assertEqual('{0:Lx}'.format(m), r'\SI[separate-uncertainty=true]{4.00(10)}{\second\squared}')
    self.assertEqual('{0:.1f}'.format(m), '(4.0 +/- 0.1) second ** 2')
    self.assertEqual('{0:.1fP}'.format(m), '(4.0 ± 0.1) second²')
    self.assertEqual('{0:.1fL}'.format(m), r'\left(4.0 \pm 0.1\right)\ \mathrm{second}^{2}')
    self.assertEqual('{0:.1fH}'.format(m), '(4.0 &plusmn; 0.1) second<sup>2</sup>')
    self.assertEqual('{0:.1fC}'.format(m), '(4.0+/-0.1) second**2')
    self.assertEqual('{0:.1fLx}'.format(m), '\SI[separate-uncertainty=true]{4.0(1)}{\second\squared}')