def test_popcount(self):
self.assertEqual(bit_utils.popcount(1), 1)
self.assertEqual(bit_utils.popcount(2), 1)
self.assertEqual(bit_utils.popcount(3), 2)
self.assertEqual(bit_utils.popcount(2 ** 16), 1)
self.assertEqual(bit_utils.popcount(2**16 - 1), 16)
self.assertEqual(bit_utils.popcount(2 ** 32), 1)
self.assertEqual(bit_utils.popcount(2 ** 32 - 1), 32)
def test_popcount(self):
nose.tools.assert_equal(bit_utils.popcount(1), 1)
nose.tools.assert_equal(bit_utils.popcount(2), 1)
nose.tools.assert_equal(bit_utils.popcount(3), 2)
nose.tools.assert_equal(bit_utils.popcount(2 ** 16), 1)
nose.tools.assert_equal(bit_utils.popcount(2**16 - 1), 16)
nose.tools.assert_equal(bit_utils.popcount(2 ** 32), 1)
nose.tools.assert_equal(bit_utils.popcount(2 ** 32 - 1), 32)
def test_popcount_limits(self):
# Make sure documented integer limit is truthful.
c = 10000
for _ in range(c):
# noinspection PyUnresolvedReferences
v = random.randint(0, bit_utils.popcount.v_max)
# Known method to always work based on counting python's binary
# string representation.
v_bin_count = bin(v).count('1')
# Test method
v_pop_count = bit_utils.popcount(v)
self.assertEqual(v_pop_count, v_bin_count,
'popcount failed for integer %d' % v)
def test_popcount_0(self):
self.assertEqual(bit_utils.popcount(0), 0)
def test_popcount_0(self):
nose.tools.assert_equal(bit_utils.popcount(0), 0)