ceph/src/boost/libs/python/test/polymorphism.py

   1 # Copyright David Abrahams 2004. Distributed under the Boost
   2 # Software License, Version 1.0. (See accompanying
   3 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   4 import unittest
   5 from polymorphism_ext import *
   6
   7 class PolymorphTest(unittest.TestCase):
   8
   9    def testReturnCpp(self):
  10
  11       # Python Created Object With Same Id As
  12       # Cpp Created B Object
  13       # b = B(872)
  14
  15       #  Get Reference To Cpp Created B Object
  16       a = getBCppObj()
  17
  18       # Python Created B Object and Cpp B Object
  19       # Should have same result by calling f()
  20       self.assertEqual ('B::f()', a.f())
  21       self.assertEqual ('B::f()', call_f(a))
  22       self.assertEqual ('A::f()', call_f(A()))
  23
  24    def test_references(self):
  25       # B is not exposed to Python
  26       a = getBCppObj()
  27       self.assertEqual(type(a), A)
  28
  29       # C is exposed to Python
  30       c = getCCppObj()
  31       self.assertEqual(type(c), C)
  32
  33    def test_factory(self):
  34       self.assertEqual(type(factory(0)), A)
  35       self.assertEqual(type(factory(1)), A)
  36       self.assertEqual(type(factory(2)), C)
  37
  38    def test_return_py(self):
  39
  40       class X(A):
  41          def f(self):
  42             return 'X.f'
  43
  44       x = X()
  45
  46       self.assertEqual ('X.f', x.f())
  47       self.assertEqual ('X.f', call_f(x))
  48
  49    def test_wrapper_downcast(self):
  50       a = pass_a(D())
  51       self.assertEqual('D::g()', a.g())
  52
  53    def test_pure_virtual(self):
  54       p = P()
  55       self.assertRaises(RuntimeError, p.f)
  56
  57       q = Q()
  58       self.assertEqual ('Q::f()', q.f())
  59
  60       class R(P):
  61          def f(self):
  62             return 'R.f'
  63
  64       r = R()
  65       self.assertEqual ('R.f', r.f())
  66
  67
  68 if __name__ == "__main__":
  69
  70    # remove the option which upsets unittest
  71    import sys
  72    sys.argv = [ x for x in sys.argv if x != '--broken-auto-ptr' ]
  73
  74    unittest.main()