Tests for gmpy2_mpz_bitops
==========================

>>> from gmpy2 import mpz, mpq, mpfr
>>> import gmpy2

Test bit_length
---------------

>>> mpz(0).bit_length()
0
>>> mpz(1).bit_length()
1
>>> mpz(5).bit_length()
3
>>> mpz(8).bit_length()
4
>>> gmpy2.bit_length(mpz(10**30))
100
>>> gmpy2.bit_length(56)
6
>>> gmpy2.bit_length(mpfr(4.0))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_length() requires 'mpz' argument
>>> 1
1

Test bit_mask
-------------

>>> gmpy2.bit_mask(mpz(0))
mpz(0)
>>> gmpy2.bit_mask(mpz(4))
mpz(15)
>>> gmpy2.bit_mask(mpz(3))
mpz(7)
>>> gmpy2.bit_mask(mpz(16))
mpz(65535)
>>> gmpy2.bit_mask(8)
mpz(255)
>>> gmpy2.bit_mask(-1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test bit_scan0
--------------

>>> mpz(6).bit_scan0()
0
>>> mpz(7).bit_scan0()
3
>>> mpz(8).bit_scan0(2)
2
>>> mpz(7).bit_scan0(2)
3
>>> mpz(7).bit_scan0(-2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> gmpy2.bit_scan0(mpz(7), 2)
3
>>> gmpy2.bit_scan0(mpz(8), 2)
2
>>> gmpy2.bit_scan0(8)
0
>>> gmpy2.bit_scan0()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_scan0() requires 'mpz',['int'] arguments
>>> gmpy2.bit_scan0(mpz(7), 2.5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> gmpy2.bit_scan0(mpz(7), 2, 5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_scan0() requires 'mpz',['int'] arguments
>>> gmpy2.bit_scan0(7.5, 0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_scan0() requires 'mpz',['int'] arguments
>>> gmpy2.bit_scan0(8, -2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test bit_scan1
--------------

>>> mpz(7).bit_scan1()
0
>>> mpz(8).bit_scan1()
3
>>> mpz(7).bit_scan1(2)
2
>>> mpz(7).bit_scan1(-2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> gmpy2.bit_scan1(7)
0
>>> gmpy2.bit_scan1(8)
3
>>> gmpy2.bit_scan1(7, 2)
2
>>> gmpy2.bit_scan1(mpz(7), 2, 5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_scan1() requires 'mpz',['int'] arguments
>>> gmpy2.bit_scan1()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_scan1() requires 'mpz',['int'] arguments
>>> gmpy2.bit_scan1(mpz(6), 2.5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> gmpy2.bit_scan1(7.5, 0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_scan1() requires 'mpz',['int'] arguments
>>> gmpy2.bit_scan1(8, -1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test bit_test
-------------

>>> mpz(7).bit_test(2)
True
>>> mpz(8).bit_test(2)
False
>>> mpz(-8).bit_test(2)
False
>>> mpz(8).bit_test(-2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> gmpy2.bit_test(mpz(7), 2)
True
>>> gmpy2.bit_test(mpz(8), 2)
False
>>> gmpy2.bit_test()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_test() requires 'mpz','int' arguments
>>> gmpy2.bit_test(mpz(7), 2.5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> gmpy2.bit_test(7.5, 2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_test() requires 'mpz','int' arguments
>>> gmpy2.bit_test(8, -2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test bit_clear
--------------

>>> mpz(7).bit_clear(0)
mpz(6)
>>> mpz(7).bit_clear(2)
mpz(3)
>>> mpz(8).bit_clear(2)
mpz(8)
>>> mpz(8).bit_clear(-1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> gmpy2.bit_clear(4, 2)
mpz(0)
>>> gmpy2.bit_clear()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_clear() requires 'mpz','int' arguments
>>> gmpy2.bit_clear(7.2, 2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_clear() requires 'mpz','int' arguments
>>> gmpy2.bit_clear(mpz(4), 2.5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> gmpy2.bit_clear(4, -2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test bit_set
------------

>>> mpz(4).bit_set(0)
mpz(5)
>>> mpz(7).bit_set(3)
mpz(15)
>>> mpz(0).bit_set(2)
mpz(4)
>>> mpz(0).bit_set(-2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> gmpy2.bit_set(8, 1)
mpz(10)
>>> gmpy2.bit_set(0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_set() requires 'mpz','int' arguments
>>> gmpy2.bit_set()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_set() requires 'mpz','int' arguments
>>> gmpy2.bit_set(8.5, 1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_set() requires 'mpz','int' arguments
>>> gmpy2.bit_set(8, 1.5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> gmpy2.bit_set(8, -1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test bit_flip
-------------

>>> mpz(4).bit_flip(2)
mpz(0)
>>> mpz(4).bit_flip(1)
mpz(6)
>>> mpz(0).bit_flip(3)
mpz(8)
>>> mpz(5).bit_flip(-3)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> gmpy2.bit_flip(mpz(7), mpz(1))
mpz(5)
>>> gmpy2.bit_flip(mpz(7), 2)
mpz(3)
>>> gmpy2.bit_flip()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_flip() requires 'mpz','int' arguments
>>> gmpy2.bit_flip(4.5, 2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: bit_flip() requires 'mpz','int' arguments
>>> gmpy2.bit_flip(4, 2.5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> gmpy2.bit_flip(mpz(7), -2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test and operator
-----------------

>>> mpz(0) and mpz(7)
mpz(0)
>>> mpz(7) and mpz(0)
mpz(0)
>>> mpz(7) and mpz(5)
mpz(5)
>>> mpz(0) and 5
mpz(0)
>>> mpz(7) and 5.2
5.2
>>> mpz(7) and None

Test popcount
-------------

>>> gmpy2.popcount(-65) == -1
True
>>> gmpy2.popcount(7)
3
>>> gmpy2.popcount(8)
1
>>> gmpy2.popcount(15)
4
>>> gmpy2.popcount(mpz(0))
0
>>> gmpy2.popcount(4.5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: popcount() requires 'mpz' argument
>>> 1
1

Test hamdist
------------

>>> gmpy2.hamdist(mpz(5), mpz(7))
1
>>> gmpy2.hamdist(mpz(0), mpz(7))
3
>>> gmpy2.hamdist(mpz(0), 7)
3
>>> gmpy2.hamdist(mpq(14,2), 5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: hamdist() requires 'mpz','mpz' arguments
>>> gmpy2.hamdist(5,6,5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: hamdist() requires 'mpz','mpz' arguments
>>> 1
1