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
|
# Copyright David Abrahams 2004. Distributed under the Boost
# Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
import unittest
import sys
class PolymorphTest(unittest.TestCase):
def testReturnCpp(self):
# Python Created Object With Same Id As
# Cpp Created B Object
# b = B(872)
# Get Reference To Cpp Created B Object
a = getBCppObj()
# Python Created B Object and Cpp B Object
# Should have same result by calling f()
self.assertEqual ('B::f()', a.f())
self.assertEqual ('B::f()', call_f(a))
self.assertEqual ('A::f()', call_f(A()))
def test_references(self):
# B is not exposed to Python
a = getBCppObj()
self.assertEqual(type(a), A)
# C is exposed to Python
c = getCCppObj()
self.assertEqual(type(c), C)
def test_factory(self):
self.assertEqual(type(factory(0)), A)
self.assertEqual(type(factory(1)), A)
self.assertEqual(type(factory(2)), C)
def test_return_py(self):
class X(A):
def f(self):
return 'X.f'
x = X()
self.assertEqual ('X.f', x.f())
self.assertEqual ('X.f', call_f(x))
def test_self_default(self):
class X(A):
def f(self):
return 'X.f() -> ' + A.f(self)
x = X()
self.assertEqual ('X.f() -> A::f()', x.f())
# This one properly raises the "dangling reference" exception
# self.failUnlessEqual ('X.f() -> A::f()', call_f(x))
def test_wrapper_downcast(self):
a = pass_a(D())
self.assertEqual('D::g()', a.g())
def test_pure_virtual(self):
p = P()
self.assertRaises(RuntimeError, p.f)
q = Q()
self.assertEqual ('Q::f()', q.f())
class R(P):
def f(self):
return 'R.f'
r = R()
self.assertEqual ('R.f', r.f())
def test():
# remove the option that upsets unittest
import sys
sys.argv = [ x for x in sys.argv if x != '--broken-auto-ptr' ]
unittest.main()
# This nasty hack basically says that if we're loaded by another module, we'll
# be testing polymorphism2_auto_ptr_ext instead of polymorphism2_ext.
if __name__ == "__main__":
from polymorphism2_ext import *
test()
else:
from polymorphism2_auto_ptr_ext import *
|
