Python code coverage for Lib/ctypes/test/test_win32.py

#	count	content
1	n/a	# Windows specific tests
2	n/a
3	n/a	from ctypes import *
4	n/a	import unittest, sys
5	n/a	from test import support
6	n/a
7	n/a	import _ctypes_test
8	n/a
9	n/a	# Only windows 32-bit has different calling conventions.
10	n/a	@unittest.skipUnless(sys.platform == "win32", 'Windows-specific test')
11	n/a	@unittest.skipUnless(sizeof(c_void_p) == sizeof(c_int),
12	n/a	"sizeof c_void_p and c_int differ")
13	n/a	class WindowsTestCase(unittest.TestCase):
14	n/a	def test_callconv_1(self):
15	n/a	# Testing stdcall function
16	n/a
17	n/a	IsWindow = windll.user32.IsWindow
18	n/a	# ValueError: Procedure probably called with not enough arguments
19	n/a	# (4 bytes missing)
20	n/a	self.assertRaises(ValueError, IsWindow)
21	n/a
22	n/a	# This one should succeed...
23	n/a	self.assertEqual(0, IsWindow(0))
24	n/a
25	n/a	# ValueError: Procedure probably called with too many arguments
26	n/a	# (8 bytes in excess)
27	n/a	self.assertRaises(ValueError, IsWindow, 0, 0, 0)
28	n/a
29	n/a	def test_callconv_2(self):
30	n/a	# Calling stdcall function as cdecl
31	n/a
32	n/a	IsWindow = cdll.user32.IsWindow
33	n/a
34	n/a	# ValueError: Procedure called with not enough arguments
35	n/a	# (4 bytes missing) or wrong calling convention
36	n/a	self.assertRaises(ValueError, IsWindow, None)
37	n/a
38	n/a	@unittest.skipUnless(sys.platform == "win32", 'Windows-specific test')
39	n/a	class FunctionCallTestCase(unittest.TestCase):
40	n/a	@unittest.skipUnless('MSC' in sys.version, "SEH only supported by MSC")
41	n/a	@unittest.skipIf(sys.executable.lower().endswith('_d.exe'),
42	n/a	"SEH not enabled in debug builds")
43	n/a	def test_SEH(self):
44	n/a	# Call functions with invalid arguments, and make sure
45	n/a	# that access violations are trapped and raise an
46	n/a	# exception.
47	n/a	self.assertRaises(OSError, windll.kernel32.GetModuleHandleA, 32)
48	n/a
49	n/a	def test_noargs(self):
50	n/a	# This is a special case on win32 x64
51	n/a	windll.user32.GetDesktopWindow()
52	n/a
53	n/a	@unittest.skipUnless(sys.platform == "win32", 'Windows-specific test')
54	n/a	class TestWintypes(unittest.TestCase):
55	n/a	def test_HWND(self):
56	n/a	from ctypes import wintypes
57	n/a	self.assertEqual(sizeof(wintypes.HWND), sizeof(c_void_p))
58	n/a
59	n/a	def test_PARAM(self):
60	n/a	from ctypes import wintypes
61	n/a	self.assertEqual(sizeof(wintypes.WPARAM),
62	n/a	sizeof(c_void_p))
63	n/a	self.assertEqual(sizeof(wintypes.LPARAM),
64	n/a	sizeof(c_void_p))
65	n/a
66	n/a	def test_COMError(self):
67	n/a	from _ctypes import COMError
68	n/a	if support.HAVE_DOCSTRINGS:
69	n/a	self.assertEqual(COMError.__doc__,
70	n/a	"Raised when a COM method call failed.")
71	n/a
72	n/a	ex = COMError(-1, "text", ("details",))
73	n/a	self.assertEqual(ex.hresult, -1)
74	n/a	self.assertEqual(ex.text, "text")
75	n/a	self.assertEqual(ex.details, ("details",))
76	n/a
77	n/a	@unittest.skipUnless(sys.platform == "win32", 'Windows-specific test')
78	n/a	class TestWinError(unittest.TestCase):
79	n/a	def test_winerror(self):
80	n/a	# see Issue 16169
81	n/a	import errno
82	n/a	ERROR_INVALID_PARAMETER = 87
83	n/a	msg = FormatError(ERROR_INVALID_PARAMETER).strip()
84	n/a	args = (errno.EINVAL, msg, None, ERROR_INVALID_PARAMETER)
85	n/a
86	n/a	e = WinError(ERROR_INVALID_PARAMETER)
87	n/a	self.assertEqual(e.args, args)
88	n/a	self.assertEqual(e.errno, errno.EINVAL)
89	n/a	self.assertEqual(e.winerror, ERROR_INVALID_PARAMETER)
90	n/a
91	n/a	windll.kernel32.SetLastError(ERROR_INVALID_PARAMETER)
92	n/a	try:
93	n/a	raise WinError()
94	n/a	except OSError as exc:
95	n/a	e = exc
96	n/a	self.assertEqual(e.args, args)
97	n/a	self.assertEqual(e.errno, errno.EINVAL)
98	n/a	self.assertEqual(e.winerror, ERROR_INVALID_PARAMETER)
99	n/a
100	n/a	class Structures(unittest.TestCase):
101	n/a	def test_struct_by_value(self):
102	n/a	class POINT(Structure):
103	n/a	_fields_ = [("x", c_long),
104	n/a	("y", c_long)]
105	n/a
106	n/a	class RECT(Structure):
107	n/a	_fields_ = [("left", c_long),
108	n/a	("top", c_long),
109	n/a	("right", c_long),
110	n/a	("bottom", c_long)]
111	n/a
112	n/a	dll = CDLL(_ctypes_test.__file__)
113	n/a
114	n/a	pt = POINT(15, 25)
115	n/a	left = c_long.in_dll(dll, 'left')
116	n/a	top = c_long.in_dll(dll, 'top')
117	n/a	right = c_long.in_dll(dll, 'right')
118	n/a	bottom = c_long.in_dll(dll, 'bottom')
119	n/a	rect = RECT(left, top, right, bottom)
120	n/a	PointInRect = dll.PointInRect
121	n/a	PointInRect.argtypes = [POINTER(RECT), POINT]
122	n/a	self.assertEqual(1, PointInRect(byref(rect), pt))
123	n/a
124	n/a	ReturnRect = dll.ReturnRect
125	n/a	ReturnRect.argtypes = [c_int, RECT, POINTER(RECT), POINT, RECT,
126	n/a	POINTER(RECT), POINT, RECT]
127	n/a	ReturnRect.restype = RECT
128	n/a	for i in range(4):
129	n/a	ret = ReturnRect(i, rect, pointer(rect), pt, rect,
130	n/a	byref(rect), pt, rect)
131	n/a	# the c function will check and modify ret if something is
132	n/a	# passed in improperly
133	n/a	self.assertEqual(ret.left, left.value)
134	n/a	self.assertEqual(ret.right, right.value)
135	n/a	self.assertEqual(ret.top, top.value)
136	n/a	self.assertEqual(ret.bottom, bottom.value)
137	n/a
138	n/a	# to not leak references, we must clean _pointer_type_cache
139	n/a	from ctypes import _pointer_type_cache
140	n/a	del _pointer_type_cache[RECT]
141	n/a
142	n/a	if __name__ == '__main__':
143	n/a	unittest.main()