Python code coverage for Lib/ctypes/test/test_cfuncs.py

#	count	content
1	n/a	# A lot of failures in these tests on Mac OS X.
2	n/a	# Byte order related?
3	n/a
4	n/a	import unittest
5	n/a	from ctypes import *
6	n/a	from ctypes.test import need_symbol
7	n/a
8	n/a	import _ctypes_test
9	n/a
10	n/a	class CFunctions(unittest.TestCase):
11	n/a	_dll = CDLL(_ctypes_test.__file__)
12	n/a
13	n/a	def S(self):
14	n/a	return c_longlong.in_dll(self._dll, "last_tf_arg_s").value
15	n/a	def U(self):
16	n/a	return c_ulonglong.in_dll(self._dll, "last_tf_arg_u").value
17	n/a
18	n/a	def test_byte(self):
19	n/a	self._dll.tf_b.restype = c_byte
20	n/a	self._dll.tf_b.argtypes = (c_byte,)
21	n/a	self.assertEqual(self._dll.tf_b(-126), -42)
22	n/a	self.assertEqual(self.S(), -126)
23	n/a
24	n/a	def test_byte_plus(self):
25	n/a	self._dll.tf_bb.restype = c_byte
26	n/a	self._dll.tf_bb.argtypes = (c_byte, c_byte)
27	n/a	self.assertEqual(self._dll.tf_bb(0, -126), -42)
28	n/a	self.assertEqual(self.S(), -126)
29	n/a
30	n/a	def test_ubyte(self):
31	n/a	self._dll.tf_B.restype = c_ubyte
32	n/a	self._dll.tf_B.argtypes = (c_ubyte,)
33	n/a	self.assertEqual(self._dll.tf_B(255), 85)
34	n/a	self.assertEqual(self.U(), 255)
35	n/a
36	n/a	def test_ubyte_plus(self):
37	n/a	self._dll.tf_bB.restype = c_ubyte
38	n/a	self._dll.tf_bB.argtypes = (c_byte, c_ubyte)
39	n/a	self.assertEqual(self._dll.tf_bB(0, 255), 85)
40	n/a	self.assertEqual(self.U(), 255)
41	n/a
42	n/a	def test_short(self):
43	n/a	self._dll.tf_h.restype = c_short
44	n/a	self._dll.tf_h.argtypes = (c_short,)
45	n/a	self.assertEqual(self._dll.tf_h(-32766), -10922)
46	n/a	self.assertEqual(self.S(), -32766)
47	n/a
48	n/a	def test_short_plus(self):
49	n/a	self._dll.tf_bh.restype = c_short
50	n/a	self._dll.tf_bh.argtypes = (c_byte, c_short)
51	n/a	self.assertEqual(self._dll.tf_bh(0, -32766), -10922)
52	n/a	self.assertEqual(self.S(), -32766)
53	n/a
54	n/a	def test_ushort(self):
55	n/a	self._dll.tf_H.restype = c_ushort
56	n/a	self._dll.tf_H.argtypes = (c_ushort,)
57	n/a	self.assertEqual(self._dll.tf_H(65535), 21845)
58	n/a	self.assertEqual(self.U(), 65535)
59	n/a
60	n/a	def test_ushort_plus(self):
61	n/a	self._dll.tf_bH.restype = c_ushort
62	n/a	self._dll.tf_bH.argtypes = (c_byte, c_ushort)
63	n/a	self.assertEqual(self._dll.tf_bH(0, 65535), 21845)
64	n/a	self.assertEqual(self.U(), 65535)
65	n/a
66	n/a	def test_int(self):
67	n/a	self._dll.tf_i.restype = c_int
68	n/a	self._dll.tf_i.argtypes = (c_int,)
69	n/a	self.assertEqual(self._dll.tf_i(-2147483646), -715827882)
70	n/a	self.assertEqual(self.S(), -2147483646)
71	n/a
72	n/a	def test_int_plus(self):
73	n/a	self._dll.tf_bi.restype = c_int
74	n/a	self._dll.tf_bi.argtypes = (c_byte, c_int)
75	n/a	self.assertEqual(self._dll.tf_bi(0, -2147483646), -715827882)
76	n/a	self.assertEqual(self.S(), -2147483646)
77	n/a
78	n/a	def test_uint(self):
79	n/a	self._dll.tf_I.restype = c_uint
80	n/a	self._dll.tf_I.argtypes = (c_uint,)
81	n/a	self.assertEqual(self._dll.tf_I(4294967295), 1431655765)
82	n/a	self.assertEqual(self.U(), 4294967295)
83	n/a
84	n/a	def test_uint_plus(self):
85	n/a	self._dll.tf_bI.restype = c_uint
86	n/a	self._dll.tf_bI.argtypes = (c_byte, c_uint)
87	n/a	self.assertEqual(self._dll.tf_bI(0, 4294967295), 1431655765)
88	n/a	self.assertEqual(self.U(), 4294967295)
89	n/a
90	n/a	def test_long(self):
91	n/a	self._dll.tf_l.restype = c_long
92	n/a	self._dll.tf_l.argtypes = (c_long,)
93	n/a	self.assertEqual(self._dll.tf_l(-2147483646), -715827882)
94	n/a	self.assertEqual(self.S(), -2147483646)
95	n/a
96	n/a	def test_long_plus(self):
97	n/a	self._dll.tf_bl.restype = c_long
98	n/a	self._dll.tf_bl.argtypes = (c_byte, c_long)
99	n/a	self.assertEqual(self._dll.tf_bl(0, -2147483646), -715827882)
100	n/a	self.assertEqual(self.S(), -2147483646)
101	n/a
102	n/a	def test_ulong(self):
103	n/a	self._dll.tf_L.restype = c_ulong
104	n/a	self._dll.tf_L.argtypes = (c_ulong,)
105	n/a	self.assertEqual(self._dll.tf_L(4294967295), 1431655765)
106	n/a	self.assertEqual(self.U(), 4294967295)
107	n/a
108	n/a	def test_ulong_plus(self):
109	n/a	self._dll.tf_bL.restype = c_ulong
110	n/a	self._dll.tf_bL.argtypes = (c_char, c_ulong)
111	n/a	self.assertEqual(self._dll.tf_bL(b' ', 4294967295), 1431655765)
112	n/a	self.assertEqual(self.U(), 4294967295)
113	n/a
114	n/a	def test_longlong(self):
115	n/a	self._dll.tf_q.restype = c_longlong
116	n/a	self._dll.tf_q.argtypes = (c_longlong, )
117	n/a	self.assertEqual(self._dll.tf_q(-9223372036854775806), -3074457345618258602)
118	n/a	self.assertEqual(self.S(), -9223372036854775806)
119	n/a
120	n/a	def test_longlong_plus(self):
121	n/a	self._dll.tf_bq.restype = c_longlong
122	n/a	self._dll.tf_bq.argtypes = (c_byte, c_longlong)
123	n/a	self.assertEqual(self._dll.tf_bq(0, -9223372036854775806), -3074457345618258602)
124	n/a	self.assertEqual(self.S(), -9223372036854775806)
125	n/a
126	n/a	def test_ulonglong(self):
127	n/a	self._dll.tf_Q.restype = c_ulonglong
128	n/a	self._dll.tf_Q.argtypes = (c_ulonglong, )
129	n/a	self.assertEqual(self._dll.tf_Q(18446744073709551615), 6148914691236517205)
130	n/a	self.assertEqual(self.U(), 18446744073709551615)
131	n/a
132	n/a	def test_ulonglong_plus(self):
133	n/a	self._dll.tf_bQ.restype = c_ulonglong
134	n/a	self._dll.tf_bQ.argtypes = (c_byte, c_ulonglong)
135	n/a	self.assertEqual(self._dll.tf_bQ(0, 18446744073709551615), 6148914691236517205)
136	n/a	self.assertEqual(self.U(), 18446744073709551615)
137	n/a
138	n/a	def test_float(self):
139	n/a	self._dll.tf_f.restype = c_float
140	n/a	self._dll.tf_f.argtypes = (c_float,)
141	n/a	self.assertEqual(self._dll.tf_f(-42.), -14.)
142	n/a	self.assertEqual(self.S(), -42)
143	n/a
144	n/a	def test_float_plus(self):
145	n/a	self._dll.tf_bf.restype = c_float
146	n/a	self._dll.tf_bf.argtypes = (c_byte, c_float)
147	n/a	self.assertEqual(self._dll.tf_bf(0, -42.), -14.)
148	n/a	self.assertEqual(self.S(), -42)
149	n/a
150	n/a	def test_double(self):
151	n/a	self._dll.tf_d.restype = c_double
152	n/a	self._dll.tf_d.argtypes = (c_double,)
153	n/a	self.assertEqual(self._dll.tf_d(42.), 14.)
154	n/a	self.assertEqual(self.S(), 42)
155	n/a
156	n/a	def test_double_plus(self):
157	n/a	self._dll.tf_bd.restype = c_double
158	n/a	self._dll.tf_bd.argtypes = (c_byte, c_double)
159	n/a	self.assertEqual(self._dll.tf_bd(0, 42.), 14.)
160	n/a	self.assertEqual(self.S(), 42)
161	n/a
162	n/a	def test_longdouble(self):
163	n/a	self._dll.tf_D.restype = c_longdouble
164	n/a	self._dll.tf_D.argtypes = (c_longdouble,)
165	n/a	self.assertEqual(self._dll.tf_D(42.), 14.)
166	n/a	self.assertEqual(self.S(), 42)
167	n/a
168	n/a	def test_longdouble_plus(self):
169	n/a	self._dll.tf_bD.restype = c_longdouble
170	n/a	self._dll.tf_bD.argtypes = (c_byte, c_longdouble)
171	n/a	self.assertEqual(self._dll.tf_bD(0, 42.), 14.)
172	n/a	self.assertEqual(self.S(), 42)
173	n/a
174	n/a	def test_callwithresult(self):
175	n/a	def process_result(result):
176	n/a	return result * 2
177	n/a	self._dll.tf_i.restype = process_result
178	n/a	self._dll.tf_i.argtypes = (c_int,)
179	n/a	self.assertEqual(self._dll.tf_i(42), 28)
180	n/a	self.assertEqual(self.S(), 42)
181	n/a	self.assertEqual(self._dll.tf_i(-42), -28)
182	n/a	self.assertEqual(self.S(), -42)
183	n/a
184	n/a	def test_void(self):
185	n/a	self._dll.tv_i.restype = None
186	n/a	self._dll.tv_i.argtypes = (c_int,)
187	n/a	self.assertEqual(self._dll.tv_i(42), None)
188	n/a	self.assertEqual(self.S(), 42)
189	n/a	self.assertEqual(self._dll.tv_i(-42), None)
190	n/a	self.assertEqual(self.S(), -42)
191	n/a
192	n/a	# The following repeats the above tests with stdcall functions (where
193	n/a	# they are available)
194	n/a	try:
195	n/a	WinDLL
196	n/a	except NameError:
197	n/a	def stdcall_dll(*_): pass
198	n/a	else:
199	n/a	class stdcall_dll(WinDLL):
200	n/a	def __getattr__(self, name):
201	n/a	if name[:2] == '__' and name[-2:] == '__':
202	n/a	raise AttributeError(name)
203	n/a	func = self._FuncPtr(("s_" + name, self))
204	n/a	setattr(self, name, func)
205	n/a	return func
206	n/a
207	n/a	@need_symbol('WinDLL')
208	n/a	class stdcallCFunctions(CFunctions):
209	n/a	_dll = stdcall_dll(_ctypes_test.__file__)
210	n/a
211	n/a	if __name__ == '__main__':
212	n/a	unittest.main()