Copy test for numbers.py from v3.12.3

This commit is contained in:
2024-11-10 00:15:21 +09:00
parent 91598f9121
commit 0c69391bbd
2 changed files with 161 additions and 82 deletions

View File

@@ -82,14 +82,6 @@ class NumberTestCase(unittest.TestCase):
self.assertRaises(TypeError, t, "")
self.assertRaises(TypeError, t, None)
@unittest.skip('test disabled')
def test_valid_ranges(self):
# invalid values of the correct type
# raise ValueError (not OverflowError)
for t, (l, h) in zip(unsigned_types, unsigned_ranges):
self.assertRaises(ValueError, t, l-1)
self.assertRaises(ValueError, t, h+1)
def test_from_param(self):
# the from_param class method attribute always
# returns PyCArgObject instances
@@ -106,7 +98,7 @@ class NumberTestCase(unittest.TestCase):
def test_floats(self):
# c_float and c_double can be created from
# Python int and float
class FloatLike(object):
class FloatLike:
def __float__(self):
return 2.0
f = FloatLike()
@@ -117,15 +109,15 @@ class NumberTestCase(unittest.TestCase):
self.assertEqual(t(f).value, 2.0)
def test_integers(self):
class FloatLike(object):
class FloatLike:
def __float__(self):
return 2.0
f = FloatLike()
class IntLike(object):
class IntLike:
def __int__(self):
return 2
d = IntLike()
class IndexLike(object):
class IndexLike:
def __index__(self):
return 2
i = IndexLike()
@@ -205,19 +197,6 @@ class NumberTestCase(unittest.TestCase):
a[0] = ord('?')
self.assertEqual(v.value, b'?')
# array does not support c_bool / 't'
@unittest.skip('test disabled')
def test_bool_from_address(self):
from ctypes import c_bool
from array import array
a = array(c_bool._type_, [True])
v = t.from_address(a.buffer_info()[0])
self.assertEqual(v.value, a[0])
self.assertEqual(type(v) is t)
a[0] = False
self.assertEqual(v.value, a[0])
self.assertEqual(type(v) is t)
def test_init(self):
# c_int() can be initialized from Python's int, and c_int.
# Not from c_long or so, which seems strange, abc should
@@ -234,62 +213,6 @@ class NumberTestCase(unittest.TestCase):
if (hasattr(t, "__ctype_le__")):
self.assertRaises(OverflowError, t.__ctype_le__, big_int)
@unittest.skip('test disabled')
def test_perf(self):
check_perf()
from ctypes import _SimpleCData
class c_int_S(_SimpleCData):
_type_ = "i"
__slots__ = []
def run_test(rep, msg, func, arg=None):
## items = [None] * rep
items = range(rep)
from time import perf_counter as clock
if arg is not None:
start = clock()
for i in items:
func(arg); func(arg); func(arg); func(arg); func(arg)
stop = clock()
else:
start = clock()
for i in items:
func(); func(); func(); func(); func()
stop = clock()
print("%15s: %.2f us" % (msg, ((stop-start)*1e6/5/rep)))
def check_perf():
# Construct 5 objects
from ctypes import c_int
REP = 200000
run_test(REP, "int()", int)
run_test(REP, "int(999)", int)
run_test(REP, "c_int()", c_int)
run_test(REP, "c_int(999)", c_int)
run_test(REP, "c_int_S()", c_int_S)
run_test(REP, "c_int_S(999)", c_int_S)
# Python 2.3 -OO, win2k, P4 700 MHz:
#
# int(): 0.87 us
# int(999): 0.87 us
# c_int(): 3.35 us
# c_int(999): 3.34 us
# c_int_S(): 3.23 us
# c_int_S(999): 3.24 us
# Python 2.2 -OO, win2k, P4 700 MHz:
#
# int(): 0.89 us
# int(999): 0.89 us
# c_int(): 9.99 us
# c_int(999): 10.02 us
# c_int_S(): 9.87 us
# c_int_S(999): 9.85 us
if __name__ == '__main__':
## check_perf()
unittest.main()

View File

@@ -1,14 +1,34 @@
"""Unit tests for numbers.py."""
import abc
import math
import operator
import unittest
from numbers import Complex, Real, Rational, Integral
from numbers import Complex, Real, Rational, Integral, Number
def concretize(cls):
def not_implemented(*args, **kwargs):
raise NotImplementedError()
for name in dir(cls):
try:
value = getattr(cls, name)
if value.__isabstractmethod__:
setattr(cls, name, not_implemented)
except AttributeError:
pass
abc.update_abstractmethods(cls)
return cls
class TestNumbers(unittest.TestCase):
def test_int(self):
self.assertTrue(issubclass(int, Integral))
self.assertTrue(issubclass(int, Rational))
self.assertTrue(issubclass(int, Real))
self.assertTrue(issubclass(int, Complex))
self.assertTrue(issubclass(int, Number))
self.assertEqual(7, int(7).real)
self.assertEqual(0, int(7).imag)
@@ -18,8 +38,11 @@ class TestNumbers(unittest.TestCase):
self.assertEqual(1, int(7).denominator)
def test_float(self):
self.assertFalse(issubclass(float, Integral))
self.assertFalse(issubclass(float, Rational))
self.assertTrue(issubclass(float, Real))
self.assertTrue(issubclass(float, Complex))
self.assertTrue(issubclass(float, Number))
self.assertEqual(7.3, float(7.3).real)
self.assertEqual(0, float(7.3).imag)
@@ -27,8 +50,11 @@ class TestNumbers(unittest.TestCase):
self.assertEqual(-7.3, float(-7.3).conjugate())
def test_complex(self):
self.assertFalse(issubclass(complex, Integral))
self.assertFalse(issubclass(complex, Rational))
self.assertFalse(issubclass(complex, Real))
self.assertTrue(issubclass(complex, Complex))
self.assertTrue(issubclass(complex, Number))
c1, c2 = complex(3, 2), complex(4,1)
# XXX: This is not ideal, but see the comment in math_trunc().
@@ -40,5 +66,135 @@ class TestNumbers(unittest.TestCase):
self.assertRaises(TypeError, int, c1)
class TestNumbersDefaultMethods(unittest.TestCase):
def test_complex(self):
@concretize
class MyComplex(Complex):
def __init__(self, real, imag):
self.r = real
self.i = imag
@property
def real(self):
return self.r
@property
def imag(self):
return self.i
def __add__(self, other):
if isinstance(other, Complex):
return MyComplex(self.imag + other.imag,
self.real + other.real)
raise NotImplementedError
def __neg__(self):
return MyComplex(-self.real, -self.imag)
def __eq__(self, other):
if isinstance(other, Complex):
return self.imag == other.imag and self.real == other.real
if isinstance(other, Number):
return self.imag == 0 and self.real == other.real
# test __bool__
self.assertTrue(bool(MyComplex(1, 1)))
self.assertTrue(bool(MyComplex(0, 1)))
self.assertTrue(bool(MyComplex(1, 0)))
self.assertFalse(bool(MyComplex(0, 0)))
# test __sub__
self.assertEqual(MyComplex(2, 3) - complex(1, 2), MyComplex(1, 1))
# test __rsub__
self.assertEqual(complex(2, 3) - MyComplex(1, 2), MyComplex(1, 1))
def test_real(self):
@concretize
class MyReal(Real):
def __init__(self, n):
self.n = n
def __pos__(self):
return self.n
def __float__(self):
return float(self.n)
def __floordiv__(self, other):
return self.n // other
def __rfloordiv__(self, other):
return other // self.n
def __mod__(self, other):
return self.n % other
def __rmod__(self, other):
return other % self.n
# test __divmod__
self.assertEqual(divmod(MyReal(3), 2), (1, 1))
# test __rdivmod__
self.assertEqual(divmod(3, MyReal(2)), (1, 1))
# test __complex__
self.assertEqual(complex(MyReal(1)), 1+0j)
# test real
self.assertEqual(MyReal(3).real, 3)
# test imag
self.assertEqual(MyReal(3).imag, 0)
# test conjugate
self.assertEqual(MyReal(123).conjugate(), 123)
def test_rational(self):
@concretize
class MyRational(Rational):
def __init__(self, numerator, denominator):
self.n = numerator
self.d = denominator
@property
def numerator(self):
return self.n
@property
def denominator(self):
return self.d
# test__float__
self.assertEqual(float(MyRational(5, 2)), 2.5)
def test_integral(self):
@concretize
class MyIntegral(Integral):
def __init__(self, n):
self.n = n
def __pos__(self):
return self.n
def __int__(self):
return self.n
# test __index__
self.assertEqual(operator.index(MyIntegral(123)), 123)
# test __float__
self.assertEqual(float(MyIntegral(123)), 123.0)
# test numerator
self.assertEqual(MyIntegral(123).numerator, 123)
# test denominator
self.assertEqual(MyIntegral(123).denominator, 1)
if __name__ == "__main__":
unittest.main()