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# 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)
'''
>>> from shared_ptr_ext import *
Test that shared_ptr<Derived> can be converted to shared_ptr<Base>
>>> Y.store(YYY(42))
>>> x = X(17)
>>> null_x = null(x)
>>> null_x # should be None
>>> identity(null_x) # should also be None
>>> a = New(1)
>>> A.call_f(a)
1
>>> New(0)
>>> type(factory(3))
<class 'shared_ptr_ext.Y'>
>>> type(factory(42))
<class 'shared_ptr_ext.YY'>
>>> class P(Z):
... def v(self):
... return -Z.v(self);
... def __del__(self):
... print('bye')
...
>>> p = P(12)
>>> p.value()
12
>>> p.v()
-12
>>> look(p)
12
>>> try: modify(p)
... except TypeError: pass
... else: 'print(expected a TypeError)'
>>> look(None)
-1
>>> store(p)
>>> del p
>>> Z.get().v()
-12
>>> Z.count()
1
>>> Z.look_store()
12
>>> Z.release()
bye
>>> Z.count()
0
>>> z = Z(13)
>>> z.value()
13
>>> z.v()
13
>>> try: modify(z)
... except TypeError: pass
... else: 'print(expected a TypeError)'
>>> Z.get() # should be None
>>> store(z)
>>> assert Z.get() is z # show that deleter introspection works
>>> del z
>>> Z.get().value()
13
>>> Z.count()
1
>>> Z.look_store()
13
>>> Z.release()
>>> Z.count()
0
>>> x = X(17)
>>> x.value()
17
>>> look(x)
17
>>> try: modify(x)
... except TypeError: pass
... else: 'print(expected a TypeError)'
>>> look(None)
-1
>>> store(x)
>>> del x
>>> X.count()
1
>>> X.look_store()
17
>>> X.release()
>>> X.count()
0
>>> y = Y(19)
>>> y.value()
19
>>> modify(y)
>>> look(y)
-1
>>> store(Y(23))
>>> Y.count()
1
>>> Y.look_store()
23
>>> Y.release()
>>> Y.count()
0
'''
def run(args = None):
import sys
import doctest
if args is not None:
sys.argv = args
return doctest.testmod(sys.modules.get(__name__))
if __name__ == '__main__':
print("running...")
import sys
status = run()[0]
if (status == 0): print("Done.")
sys.exit(status)
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