def test_bin_collatz_3 (self):
     c = bin_collatz(999999)
     self.assert_(c == 259)
 def test_bin_collatz_2 (self):
     c = bin_collatz(871)
     self.assert_(c == 179)
 def test_bin_collatz_1 (self):
     c = bin_collatz(9)
     self.assert_(c == 20)
 def test_bin_collatz_3 (self):
     c = bin_collatz(999999)
     self.assert_(c == 259)
 def test_bin_collatz_2 (self):
     c = bin_collatz(871)
     self.assert_(c == 179)
 def test_bin_collatz_1 (self):
     c = bin_collatz(9)
     self.assert_(c == 20)