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

#	count	content
1	n/a	from ctypes import *
2	n/a	import unittest
3	n/a
4	n/a	class X(Structure):
5	n/a	_fields_ = [("a", c_int),
6	n/a	("b", c_int)]
7	n/a	new_was_called = False
8	n/a
9	n/a	def __new__(cls):
10	n/a	result = super().__new__(cls)
11	n/a	result.new_was_called = True
12	n/a	return result
13	n/a
14	n/a	def __init__(self):
15	n/a	self.a = 9
16	n/a	self.b = 12
17	n/a
18	n/a	class Y(Structure):
19	n/a	_fields_ = [("x", X)]
20	n/a
21	n/a
22	n/a	class InitTest(unittest.TestCase):
23	n/a	def test_get(self):
24	n/a	# make sure the only accessing a nested structure
25	n/a	# doesn't call the structure's __new__ and __init__
26	n/a	y = Y()
27	n/a	self.assertEqual((y.x.a, y.x.b), (0, 0))
28	n/a	self.assertEqual(y.x.new_was_called, False)
29	n/a
30	n/a	# But explicitly creating an X structure calls __new__ and __init__, of course.
31	n/a	x = X()
32	n/a	self.assertEqual((x.a, x.b), (9, 12))
33	n/a	self.assertEqual(x.new_was_called, True)
34	n/a
35	n/a	y.x = x
36	n/a	self.assertEqual((y.x.a, y.x.b), (9, 12))
37	n/a	self.assertEqual(y.x.new_was_called, False)
38	n/a
39	n/a	if __name__ == "__main__":
40	n/a	unittest.main()