KSelectionProxyModel problem

[Ilya Matveychikov]

Bug reported:

https://bugs.kde.org/show_bug.cgi?id=352369

2015-09-07 1:07 GMT+03:00 Albert Astals Cid <aacid at kde.org>:
> El Dilluns, 7 de setembre de 2015, a les 00:26:47, Ilya Matveychikov va
> escriure:
>> $ git log -1
>>
>> ASSERT: "m_mappedFirstChildren.isEmpty()" in file
>> kitemmodels/kselectionproxymodel.cpp, line 1989
>> Segmentation fault (core dumped)
>>
>> Test case:
>>
>> 1) run TreeModel
>> 2) select "B"
>> 3) type "c" in edit, then backspace
>> 4) type "f" in edit, then backspace
>> 5) type "x" in edit -> CRASH
>
> Meh i didn't see i had to swtich to the treemodel branch.
>
> Yes with those steps it can be reproduced.
>
> I'd suggest that you:
>  a) Report a bug to bugs.kde.org it's easier to track bugs in the bug tracker
>  b) Create an automated test (i.e. doesn't need human interaction)
>
>
> Cheers,
>   Albert
>
>>
>> 2015-09-07 0:12 GMT+03:00 Albert Astals Cid <aacid at kde.org>:
>> > El Divendres, 4 de setembre de 2015, a les 13:43:36, Ilya Matveychikov va
>> >
>> > escriure:
>> >> Here is  the KSelectionProxyModel model
>> >>
>> >> problem. It crashes with segmentation fault while selection/deselection
>> >> occurs...
>> >
>> > Does not crash here. What do you do to make it crash?
>> >
>> > Do you have a gdb/valgrind trace?
>> >
>> > Cheers,
>> >
>> >   Albert
>> >>
>> >> Test sample and the case:
>> >> https://github.com/milabs/QtSampleModel/tree/treemodel
>> >>
>> >> Also, looks like that model doesn't operate with QTableView
>> >>
>> >> correctly. The patch shows the problem
>> >>
>> >> place:
>> >>
>> >> @@ -2446,7 +2446,7 @@ int KSelectionProxyModela(const
>> >> QModelIndex &index) const
>> >>
>> >>              // it's actually 0 ,but must return what the source model
>> >>
>> >> says, even if we
>> >>
>> >>              // have no rows or columns.
>> >>
>> >>  #if QT_VERSION >= 0x040700
>> >>
>> >> -            || d->m_rootIndexList.isEmpty()
>> >> +//            || d->m_rootIndexList.isEmpty()
>> >>
>> >>  #endif
>> >>
>> >>         ) {
>> >>
>> >>          return 0;
>>
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>