def test_relationships(self):
c = Circle(UnitVector3d.X(), Angle.fromDegrees(0.1))
d = Circle(UnitVector3d(1, 1, 1), Angle(math.pi / 2))
e = Circle(-UnitVector3d.X())
self.assertTrue(c.contains(UnitVector3d.X()))
self.assertTrue(UnitVector3d.X() in c)
self.assertTrue(d.contains(c))
self.assertTrue(c.isWithin(d))
self.assertTrue(c.intersects(d))
self.assertTrue(c.intersects(UnitVector3d.X()))
self.assertTrue(e.isDisjointFrom(d))
self.assertEqual(d.relate(c), CONTAINS)
self.assertEqual(e.relate(d), DISJOINT)
def test_construction(self):
self.assertTrue(Circle.empty().isEmpty())
self.assertTrue(Circle().isEmpty())
self.assertTrue(Circle.full().isFull())
c = Circle(UnitVector3d.X())
self.assertEqual(c.getOpeningAngle(), Angle(0))
self.assertEqual(c.getSquaredChordLength(), 0)
c = Circle(UnitVector3d.Z(), 2.0)
self.assertTrue(c.contains(UnitVector3d.Z()))
c = Circle(UnitVector3d.Z(), Angle(math.pi))
self.assertTrue(c.isFull())
d = c.clone()
self.assertEqual(c, d)
self.assertNotEqual(id(c), id(d))
e = Circle(d)
self.assertEqual(d, e)