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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/python/test/virtual_functions.py | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/boost/libs/python/test/virtual_functions.py b/src/boost/libs/python/test/virtual_functions.py new file mode 100644 index 000000000..cba21edd6 --- /dev/null +++ b/src/boost/libs/python/test/virtual_functions.py @@ -0,0 +1,110 @@ +# 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 virtual_functions_ext import * + +>>> class C1(concrete): +... def f(self, y): +... return concrete.f(self, Y(-y.value())) + +>>> class C2(concrete): +... pass + +>>> class A1(abstract): +... def f(self, y): +... return y.value() * 2 +... def g(self, y): +... return self + +>>> class A2(abstract): +... pass + + +>>> y1 = Y(16) +>>> y2 = Y(17) + + + +# +# Test abstract with f,g overridden +# +>>> a1 = A1(42) +>>> a1.value() +42 + +# Call f,g indirectly from C++ +>>> a1.call_f(y1) +32 +>>> assert type(a1.call_g(y1)) is abstract + +# Call f directly from Python +>>> a1.f(y2) +34 + +# +# Test abstract with f not overridden +# +>>> a2 = A2(42) +>>> a2.value() +42 + +# Call f indirectly from C++ +>>> try: a2.call_f(y1) +... except AttributeError: pass +... else: print('no exception') + +# Call f directly from Python +>>> try: a2.call_f(y2) +... except AttributeError: pass +... else: print('no exception') + +############# Concrete Tests ############ + +# +# Test concrete with f overridden +# +>>> c1 = C1(42) +>>> c1.value() +42 + +# Call f indirectly from C++ +>>> c1.call_f(y1) +-16 + +# Call f directly from Python +>>> c1.f(y2) +-17 + +# +# Test concrete with f not overridden +# +>>> c2 = C2(42) +>>> c2.value() +42 + +# Call f indirectly from C++ +>>> c2.call_f(y1) +16 + +# Call f directly from Python +>>> c2.f(y2) +17 + + +''' + +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) |