Tests for gmpy2_mpz_inplace functions
======================================

>>> import gmpy2
>>> from gmpy2 import mpz, xmpz, mpfr

Test iadd operator
------------------

>>> x = mpz(5)
>>> x += mpz(6); x
mpz(11)
>>> x += 7; x
mpz(18)
>>> x += -6; x
mpz(12)
>>> x += 0; x
mpz(12)
>>> x += mpfr(2.5); x
mpfr('14.5')

Test isub operator
------------------

>>> x = mpz(7)
>>> x -= mpz(1); x
mpz(6)
>>> x -= 1; x
mpz(5)
>>> x -= xmpz(7); x
mpz(-2)
>>> x -= -5; x
mpz(3)
>>> x -= -mpfr(5); x
mpfr('8.0')

Test imul operator
------------------

>>> x = mpz(2)
>>> x *= mpz(2); x
mpz(4)
>>> x *= 2; x
mpz(8)
>>> x *= xmpz(3); x
mpz(24)
>>> x *= -1; x
mpz(-24)
>>> x *= mpfr(-0.5); x
mpfr('12.0')

Test ifloordiv operator
-----------------------

>>> x = mpz(49)
>>> x //= mpz(3); x
mpz(16)
>>> x //= xmpz(3); x
mpz(5)
>>> x //= 2; x
mpz(2)
>>> x //= mpz(0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ZeroDivisionError: mpz division by zero
>>> x //= 0;
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ZeroDivisionError: mpz division by zero
>>> x
mpz(2)
>>> x //= mpfr(-0.5); x
mpfr('-4.0')
>>> x = mpz(11)
>>> x //= -5; x
mpz(-3)

Test imod operator
------------------

>>> x = mpz(45)
>>> x %= mpz(18); x
mpz(9)
>>> x %= xmpz(2); x
mpz(1)
>>> x = mpz(40)
>>> x %= 21; x
mpz(19)
>>> x %= 0
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ZeroDivisionError: mpz modulo by zero
>>> x
mpz(19)
>>> x %= mpz(0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ZeroDivisionError: mpz modulo by zero
>>> x %= -9; x
mpz(-8)
>>> x %= mpfr(10); x
mpfr('2.0')

Test irshift and ilshift operators
----------------------------------

>>> x = mpz(63)
>>> x >>= mpz(63); x
mpz(0)
>>> x = mpz(63)
>>> x >>= mpz(1); x
mpz(31)
>>> x >>= xmpz(2); x
mpz(7)
>>> x >>= 1; x
mpz(3)
>>> x <<= mpz(2); x
mpz(12)
>>> x <<= mpz(1); x
mpz(24)
>>> x <<= 0; x
mpz(24)
>>> x >>= mpfr(2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> x <<= mpfr(2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: could not convert object to integer
>>> x >>= -1
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> x <<= -5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OverflowError: can't convert negative value to unsigned long
>>> 1
1

Test ipow operator
------------------

>>> x = mpz(5)
>>> x **= mpz(2); x
mpz(25)
>>> x **= xmpz(2); x
mpz(625)
>>> x **= -2; x
mpfr('2.5600000000000001e-06')
>>> x = mpz(625)
>>> x **= 2; x
mpz(390625)
>>> x **= mpfr(2); x
mpfr('152587890625.0')
>>> x = mpz(390625)
>>> x **= mpfr(-2); x
mpfr('6.5535999999999999e-12')

Test iand operator
------------------
>>> x = mpz(7)
>>> x &= mpz(5); x
mpz(5)
>>> x &= xmpz(4); x
mpz(4)
>>> x &= 9; x
mpz(0)
>>> x = mpz(4)
>>> x &= 12; x
mpz(4)
>>> x &= mpfr(4)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: cannot convert object to mpz
>>> 1
1


Test ior operator
-----------------

>>> x = mpz(0)
>>> x |= mpz(1)
>>> x
mpz(1)
>>> x |= mpz(0)
>>> x
mpz(1)
>>> x = mpz(0)
>>> x |= mpz(0); x
mpz(0)
>>> x |= 5; x
mpz(5)
>>> x |= mpfr(3)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: cannot convert object to mpz
>>> 1
1

Test ixor operator
------------------

>>> x = mpz(1)
>>> x ^= mpz(0); x
mpz(1)
>>> x ^= xmpz(1); x
mpz(0)
>>> x ^= 1; x
mpz(1)
>>> x ^= mpfr(0)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: cannot convert object to mpz
>>> 1
1