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Removed undefined behaviour when iterating backwards when using pointers.

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Ion Gaztañaga 2016-08-05 00:46:01 +02:00
parent 5a7892a859
commit ef8e57ae1b
2 changed files with 7 additions and 7 deletions
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4
example/doc_stateful_value_traits.cpp
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@ -76,11 +76,11 @@ int main()
//Now test lists //Now test lists
List::const_iterator list_it (my_list.cbegin()); List::const_iterator list_it (my_list.cbegin());
identifier_t *it_val(&ids[NumElements-1]), *it_rbeg_val(&ids[0]-1); identifier_t *it_val(&ids[NumElements]), *it_rbeg_val(&ids[0]);
//Test the objects inserted in the base hook list //Test the objects inserted in the base hook list
for(; it_val != it_rbeg_val; --it_val, ++list_it) for(; it_val != it_rbeg_val; --it_val, ++list_it)
if(&*list_it != &*it_val) return 1; if(&*list_it != &it_val[-1]) return 1;
return 0; return 0;
} }

10
test/stateful_value_traits_test.cpp
View File

@ -142,14 +142,14 @@ int main()
List::const_iterator list_it (my_list.cbegin()); List::const_iterator list_it (my_list.cbegin());
Slist::const_iterator slist_it(my_slist.cbegin()); Slist::const_iterator slist_it(my_slist.cbegin());
Set::const_reverse_iterator set_rit(my_set.crbegin()); Set::const_reverse_iterator set_rit(my_set.crbegin());
MyClass *it_val(&values[NumElements-1]), *it_rbeg_val(&values[0]-1); MyClass *it_val(&values[NumElements]), *it_rbeg_val(&values[0]);
//Test the objects inserted in the base hook list //Test the objects inserted in the base hook list
for(; it_val != it_rbeg_val; --it_val, ++list_it, ++slist_it, ++set_rit){ for(; it_val != it_rbeg_val; --it_val, ++list_it, ++slist_it, ++set_rit){
if(&*list_it != &*it_val) return 1; if(&*list_it != &it_val[-1]) return 1;
if(&*slist_it != &*it_val) return 1; if(&*slist_it != &it_val[-1]) return 1;
if(&*set_rit != &*it_val) return 1; if(&*set_rit != &it_val[-1]) return 1;
if(my_uset.find(*it_val) == my_uset.cend()) return 1; if(my_uset.find(it_val[-1]) == my_uset.cend()) return 1;
} }
} }