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From "Farid Zaripov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (STDCXX-629) std::string::assign (reverse_iterator, reverse_iterator) assigning self incorrect
Date Mon, 17 Mar 2008 14:39:24 GMT

    [ https://issues.apache.org/jira/browse/STDCXX-629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12579457#action_12579457
] 

Farid Zaripov commented on STDCXX-629:
--------------------------------------

The regression test added in trunk thus: http://svn.apache.org/viewvc?rev=635444&view=rev

> std::string::assign (reverse_iterator, reverse_iterator) assigning self incorrect
> ---------------------------------------------------------------------------------
>
>                 Key: STDCXX-629
>                 URL: https://issues.apache.org/jira/browse/STDCXX-629
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 21. Strings
>    Affects Versions: 4.1.2, 4.1.3, 4.1.4, 4.2.0
>         Environment: All
>            Reporter: Farid Zaripov
>            Assignee: Farid Zaripov
>            Priority: Minor
>             Fix For: 4.3
>
>
> The 21.string.assign.cpp test has been failing a number of assertions for self-referential
test cases that exercise the ability to assign a substring of a string into itself using the
assign(InputIterator, InputIterator) member template specialization for InputIterator being
an actual reverse_iterator. The program below reproduces the problem in a small isolated test
case.
> #include <cassert>
> #include <string>
> int main ()
> {
>     std::string s ("abc");
>     s.assign (s.rbegin () + 1, s.rend ());
>     assert ("ba" == s);
> }

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