def test_complement(self):
c = Circle(UnitVector3d.X(), 2.0)
d = c.complemented()
c.complement()
self.assertEqual(c, d)
self.assertEqual(c.getCenter(), -UnitVector3d.X())
self.assertEqual(c.getSquaredChordLength(), 2.0)
def test_center_and_dimensions(self):
c = Circle(UnitVector3d.X(), 1)
self.assertEqual(c.getCenter(), UnitVector3d.X())
self.assertEqual(c.getSquaredChordLength(), 1)
self.assertAlmostEqual(c.getOpeningAngle().asRadians(), math.pi / 3)