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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 callbacks_ext import *
>>> def double(x):
... return x + x
...
>>> apply_int_int(double, 42)
84
>>> apply_void_int(double, 42)
>>> def identity(x):
... return x
Once we have array conversion support, this test will fail. Er,
succeed<wink>:
>>> try: apply_to_string_literal(identity)
... except ReferenceError: pass # expected
... else: print('expected an exception!')
>>> try: apply_X_ref_handle(lambda ignored:X(42), None)
... except ReferenceError: pass # expected
... else: print('expected an exception!')
>>> x = X(42)
>>> x.y = X(7)
>>> apply_X_ref_handle(lambda z:z.y, x).value()
7
>>> x = apply_X_X(identity, X(42))
>>> x.value()
42
>>> x_count()
1
>>> del x
>>> x_count()
0
>>> def increment(x):
... x.set(x.value() + 1)
...
>>> x = X(42)
>>> apply_void_X_ref(increment, x)
>>> x.value()
43
>>> apply_void_X_cref(increment, x)
>>> x.value() # const-ness is not respected, sorry!
44
>>> last_x = 1
>>> def decrement(x):
... global last_x
... last_x = x
... if x is not None:
... x.set(x.value() - 1)
>>> apply_void_X_ptr(decrement, x)
>>> x.value()
43
>>> last_x.value()
43
>>> increment(last_x)
>>> x.value()
44
>>> last_x.value()
44
>>> apply_void_X_ptr(decrement, None)
>>> assert last_x is None
>>> x.value()
44
>>> last_x = 1
>>> apply_void_X_deep_ptr(decrement, None)
>>> assert last_x is None
>>> x.value()
44
>>> apply_void_X_deep_ptr(decrement, x)
>>> x.value()
44
>>> last_x.value()
43
>>> y = apply_X_ref_handle(identity, x)
>>> assert y.value() == x.value()
>>> increment(x)
>>> assert y.value() == x.value()
>>> y = apply_X_ptr_handle_cref(identity, x)
>>> assert y.value() == x.value()
>>> increment(x)
>>> assert y.value() == x.value()
>>> y = apply_X_ptr_handle_cref(identity, None)
>>> y
>>> def new_x(ignored):
... return X(666)
...
>>> try: apply_X_ref_handle(new_x, 1)
... except ReferenceError: pass
... else: print('no error')
>>> try: apply_X_ptr_handle_cref(new_x, 1)
... except ReferenceError: pass
... else: print('no error')
>>> try: apply_cstring_cstring(identity, 'hello')
... except ReferenceError: pass
... else: print('no error')
>>> apply_char_char(identity, 'x')
'x'
>>> apply_cstring_pyobject(identity, 'hello')
'hello'
>>> apply_cstring_pyobject(identity, None)
>>> apply_char_char(identity, 'x')
'x'
>>> assert apply_to_own_type(identity) is type(identity)
>>> assert apply_object_object(identity, identity) is identity
'''
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)
|
