def testsplitabove(self):
T = SNT(4, 1, 1, 2)
T.setroot(Point([0], Euclidean()))
a = T.splitbelow(T.root, 10)
b = T.splitbelow(a, 0)
n = T.splitabove(b, 5)
self.assertEqual(n.level, 5)
self.assertEqual(n.ch, {b})
self.assertEqual(n.par, a)
self.assertEqual(b.par, n)
self.assertEqual(a.ch, {n})
def testsplitbelow_leaf(self):
T = SNT(3, 1, 1)
T.setroot(Point([0], Euclidean()))
a = T.splitbelow(T.root, 10)
n = T.splitbelow(a, 0)
self.assertEqual(n.point, a.point)
self.assertEqual(n.level, 0)
self.assertEqual(n.par, a)
self.assertEqual(a.ch, {n})
self.assertTrue(n in a.ch)
self.assertTrue(n not in T.root.ch)
self.assertEqual(n.getchild().level, float('-inf'))
self.assertEqual(n.rel, {n})
def testsplitbelow_root(self):
T = SNT(3, 1, 1)
T.setroot(Point([0], Euclidean()))
n = T.splitbelow(T.root, 1)
self.assertEqual(n.point, T.root.point)
self.assertEqual(n.level, 1)
self.assertEqual(n.par, T.root)
self.assertEqual(T.root.ch, {n})
self.assertTrue(n in T.root.ch)
self.assertEqual(n.getchild().level, float('-inf'))
self.assertEqual(n.rel, {n})
