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#!/usr/bin/python
'''Test cases for std::list container conversions'''
import sys
import unittest
from sample import ListUser
class ExtendedListUser(ListUser):
def __init__(self):
ListUser.__init__(self)
self.create_list_called = False
def createList(self):
self.create_list_called = True
return [2, 3, 5, 7, 13]
class ListConversionTest(unittest.TestCase):
'''Test case for std::list container conversions'''
def testReimplementedVirtualMethodCall(self):
'''Test if a Python override of a virtual method is correctly called from C++.'''
lu = ExtendedListUser()
lst = lu.callCreateList()
self.assert_(lu.create_list_called)
self.assertEqual(type(lst), list)
for item in lst:
self.assertEqual(type(item), int)
def testPrimitiveConversionInsideContainer(self):
'''Test primitive type conversion inside conversible std::list container.'''
cpx0 = complex(1.2, 3.4)
cpx1 = complex(5.6, 7.8)
lst = ListUser.createComplexList(cpx0, cpx1)
self.assertEqual(type(lst), list)
for item in lst:
self.assertEqual(type(item), complex)
self.assertEqual(lst, [cpx0, cpx1])
def testSumListIntegers(self):
'''Test method that sums a list of integer values.'''
lu = ListUser()
lst = [3, 5, 7]
result = lu.sumList(lst)
self.assertEqual(result, sum(lst))
def testSumListFloats(self):
'''Test method that sums a list of float values.'''
lu = ListUser()
lst = [3.3, 4.4, 5.5]
result = lu.sumList(lst)
self.assertEqual(result, sum(lst))
def testConversionInBothDirections(self):
'''Test converting a list from Python to C++ and back again.'''
lu = ListUser()
lst = [3, 5, 7]
lu.setList(lst)
result = lu.getList()
self.assertEqual(result, lst)
def testConversionInBothDirectionsWithSimilarContainer(self):
'''Test converting a tuple, instead of the expected list, from Python to C++ and back again.'''
lu = ListUser()
lst = (3, 5, 7)
lu.setList(lst)
result = lu.getList()
self.assertNotEqual(result, lst)
self.assertEqual(result, list(lst))
if __name__ == '__main__':
unittest.main()
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