1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
from math import isnan
import errno
import unittest
import warnings
from test.test_capi.test_getargs import (BadComplex, BadComplex2, Complex,
FloatSubclass, Float, BadFloat,
BadFloat2, ComplexSubclass)
from test.support import import_helper
_testcapi = import_helper.import_module('_testcapi')
NULL = None
INF = float("inf")
NAN = float("nan")
DBL_MAX = _testcapi.DBL_MAX
class BadComplex3:
def __complex__(self):
raise RuntimeError
class CAPIComplexTest(unittest.TestCase):
def test_check(self):
# Test PyComplex_Check()
check = _testcapi.complex_check
self.assertTrue(check(1+2j))
self.assertTrue(check(ComplexSubclass(1+2j)))
self.assertFalse(check(Complex()))
self.assertFalse(check(3))
self.assertFalse(check(3.0))
self.assertFalse(check(object()))
# CRASHES check(NULL)
def test_checkexact(self):
# PyComplex_CheckExact()
checkexact = _testcapi.complex_checkexact
self.assertTrue(checkexact(1+2j))
self.assertFalse(checkexact(ComplexSubclass(1+2j)))
self.assertFalse(checkexact(Complex()))
self.assertFalse(checkexact(3))
self.assertFalse(checkexact(3.0))
self.assertFalse(checkexact(object()))
# CRASHES checkexact(NULL)
def test_fromccomplex(self):
# Test PyComplex_FromCComplex()
fromccomplex = _testcapi.complex_fromccomplex
self.assertEqual(fromccomplex(1+2j), 1.0+2.0j)
def test_fromdoubles(self):
# Test PyComplex_FromDoubles()
fromdoubles = _testcapi.complex_fromdoubles
self.assertEqual(fromdoubles(1.0, 2.0), 1.0+2.0j)
def test_realasdouble(self):
# Test PyComplex_RealAsDouble()
realasdouble = _testcapi.complex_realasdouble
self.assertEqual(realasdouble(1+2j), 1.0)
self.assertEqual(realasdouble(-1+0j), -1.0)
self.assertEqual(realasdouble(4.25), 4.25)
self.assertEqual(realasdouble(-1.0), -1.0)
self.assertEqual(realasdouble(42), 42.)
self.assertEqual(realasdouble(-1), -1.0)
# Test subclasses of complex/float
self.assertEqual(realasdouble(ComplexSubclass(1+2j)), 1.0)
self.assertEqual(realasdouble(FloatSubclass(4.25)), 4.25)
# Test types with __complex__ dunder method
# Function doesn't support classes with __complex__ dunder, see #109598
self.assertRaises(TypeError, realasdouble, Complex())
# Test types with __float__ dunder method
self.assertEqual(realasdouble(Float()), 4.25)
self.assertRaises(TypeError, realasdouble, BadFloat())
with self.assertWarns(DeprecationWarning):
self.assertEqual(realasdouble(BadFloat2()), 4.25)
self.assertRaises(TypeError, realasdouble, object())
# CRASHES realasdouble(NULL)
def test_imagasdouble(self):
# Test PyComplex_ImagAsDouble()
imagasdouble = _testcapi.complex_imagasdouble
self.assertEqual(imagasdouble(1+2j), 2.0)
self.assertEqual(imagasdouble(1-1j), -1.0)
self.assertEqual(imagasdouble(4.25), 0.0)
self.assertEqual(imagasdouble(42), 0.0)
# Test subclasses of complex/float
self.assertEqual(imagasdouble(ComplexSubclass(1+2j)), 2.0)
self.assertEqual(imagasdouble(FloatSubclass(4.25)), 0.0)
# Test types with __complex__ dunder method
# Function doesn't support classes with __complex__ dunder, see #109598
self.assertEqual(imagasdouble(Complex()), 0.0)
# Function returns 0.0 anyway, see #109598
self.assertEqual(imagasdouble(object()), 0.0)
# CRASHES imagasdouble(NULL)
def test_asccomplex(self):
# Test PyComplex_AsCComplex()
asccomplex = _testcapi.complex_asccomplex
self.assertEqual(asccomplex(1+2j), 1.0+2.0j)
self.assertEqual(asccomplex(-1+2j), -1.0+2.0j)
self.assertEqual(asccomplex(4.25), 4.25+0.0j)
self.assertEqual(asccomplex(-1.0), -1.0+0.0j)
self.assertEqual(asccomplex(42), 42+0j)
self.assertEqual(asccomplex(-1), -1.0+0.0j)
# Test subclasses of complex/float
self.assertEqual(asccomplex(ComplexSubclass(1+2j)), 1.0+2.0j)
self.assertEqual(asccomplex(FloatSubclass(4.25)), 4.25+0.0j)
# Test types with __complex__ dunder method
self.assertEqual(asccomplex(Complex()), 4.25+0.5j)
self.assertRaises(TypeError, asccomplex, BadComplex())
with self.assertWarns(DeprecationWarning):
self.assertEqual(asccomplex(BadComplex2()), 4.25+0.5j)
with warnings.catch_warnings():
warnings.simplefilter("error", DeprecationWarning)
self.assertRaises(DeprecationWarning, asccomplex, BadComplex2())
self.assertRaises(RuntimeError, asccomplex, BadComplex3())
# Test types with __float__ dunder method
self.assertEqual(asccomplex(Float()), 4.25+0.0j)
self.assertRaises(TypeError, asccomplex, BadFloat())
with self.assertWarns(DeprecationWarning):
self.assertEqual(asccomplex(BadFloat2()), 4.25+0.0j)
self.assertRaises(TypeError, asccomplex, object())
# CRASHES asccomplex(NULL)
def test_py_c_sum(self):
# Test _Py_c_sum()
_py_c_sum = _testcapi._py_c_sum
self.assertEqual(_py_c_sum(1, 1j), (1+1j, 0))
def test_py_c_diff(self):
# Test _Py_c_diff()
_py_c_diff = _testcapi._py_c_diff
self.assertEqual(_py_c_diff(1, 1j), (1-1j, 0))
def test_py_c_neg(self):
# Test _Py_c_neg()
_py_c_neg = _testcapi._py_c_neg
self.assertEqual(_py_c_neg(1+1j), -1-1j)
def test_py_c_prod(self):
# Test _Py_c_prod()
_py_c_prod = _testcapi._py_c_prod
self.assertEqual(_py_c_prod(2, 1j), (2j, 0))
def test_py_c_quot(self):
# Test _Py_c_quot()
_py_c_quot = _testcapi._py_c_quot
self.assertEqual(_py_c_quot(1, 1j), (-1j, 0))
self.assertEqual(_py_c_quot(1, -1j), (1j, 0))
self.assertEqual(_py_c_quot(1j, 2), (0.5j, 0))
self.assertEqual(_py_c_quot(1j, -2), (-0.5j, 0))
self.assertEqual(_py_c_quot(1, 2j), (-0.5j, 0))
z, e = _py_c_quot(NAN, 1j)
self.assertTrue(isnan(z.real))
self.assertTrue(isnan(z.imag))
self.assertEqual(e, 0)
z, e = _py_c_quot(1j, NAN)
self.assertTrue(isnan(z.real))
self.assertTrue(isnan(z.imag))
self.assertEqual(e, 0)
self.assertEqual(_py_c_quot(1, 0j)[1], errno.EDOM)
def test_py_c_pow(self):
# Test _Py_c_pow()
_py_c_pow = _testcapi._py_c_pow
self.assertEqual(_py_c_pow(1j, 0j), (1+0j, 0))
self.assertEqual(_py_c_pow(1, 1j), (1+0j, 0))
self.assertEqual(_py_c_pow(0j, 1), (0j, 0))
self.assertAlmostEqual(_py_c_pow(1j, 2)[0], -1.0+0j)
r, e = _py_c_pow(1+1j, -1)
self.assertAlmostEqual(r, 0.5-0.5j)
self.assertEqual(e, 0)
self.assertEqual(_py_c_pow(0j, -1)[1], errno.EDOM)
self.assertEqual(_py_c_pow(0j, 1j)[1], errno.EDOM)
self.assertEqual(_py_c_pow(*[DBL_MAX+1j]*2)[0], complex(*[INF]*2))
def test_py_c_abs(self):
# Test _Py_c_abs()
_py_c_abs = _testcapi._py_c_abs
self.assertEqual(_py_c_abs(-1), (1.0, 0))
self.assertEqual(_py_c_abs(1j), (1.0, 0))
self.assertEqual(_py_c_abs(complex('+inf+1j')), (INF, 0))
self.assertEqual(_py_c_abs(complex('-inf+1j')), (INF, 0))
self.assertEqual(_py_c_abs(complex('1.25+infj')), (INF, 0))
self.assertEqual(_py_c_abs(complex('1.25-infj')), (INF, 0))
self.assertTrue(isnan(_py_c_abs(complex('1.25+nanj'))[0]))
self.assertTrue(isnan(_py_c_abs(complex('nan-1j'))[0]))
self.assertEqual(_py_c_abs(complex(*[DBL_MAX]*2))[1], errno.ERANGE)
if __name__ == "__main__":
unittest.main()
|
