169     std::stringstream oss;  in post_increment_test()  local
172         oss << *i++ << ' ';  in post_increment_test()
175     BOOST_TEST( oss.str() == "apple orange pear peach grape plum ");  in post_increment_test()
187     std::stringstream oss;  in post_decrement_test()  local
191         oss << *i << ' ';  in post_decrement_test()
194     BOOST_TEST( oss.str() == "plum grape peach pear orange apple ");  in post_decrement_test()
206     std::stringstream oss;  in indirect_referral_test()  local
209         oss << i->size() << ' ';  in indirect_referral_test()
212     BOOST_TEST( oss.str() == "5 6 4 5 5 4 ");  in indirect_referral_test()
225     std::stringstream oss;  in offset_addition_test()  local
228         oss << *i << ' ';  in offset_addition_test()
231     BOOST_TEST( oss.str() == "apple pear grape ");  in offset_addition_test()
244     std::stringstream oss;  in reverse_offset_addition_test()  local
247         oss << *i << ' ';  in reverse_offset_addition_test()
250     BOOST_TEST( oss.str() == "apple pear grape ");  in reverse_offset_addition_test()
263     std::stringstream oss;  in offset_subtraction_test()  local
269             oss << *i << ' ';  in offset_subtraction_test()
273     BOOST_TEST( oss.str() == "grape pear apple ");  in offset_subtraction_test()
315     std::stringstream oss;  in indexing_test()  local
318         oss << fruit_begin[ k ] << ' ';  in indexing_test()
321     BOOST_TEST( oss.str() == "apple orange pear peach grape plum ");  in indexing_test()