def test_2(self):
     a = t(20)
     b = t(1)
     a.left = b
     c = t(40)
     a.right = c
     d = t(35)
     c.left = d
     self.assertEqual(sr.searchRange(a,17,37),[20,35])
 def test_1(self):
     a = t(2)
     b=t(1)
     a.left = b
     self.assertEqual(sr.searchRange(a,0,4), [1,2])