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Document and test wxItemContainer::Delete() selection handling

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Add test checking that selection is reset when deleting the selected
item or any item before, but not after, it.

Also explicitly document this behaviour.
This commit is contained in:
Vadim Zeitlin
2018-12-15 22:49:33 +01:00
parent c8d2195791
commit b825c49c2e
3 changed files with 35 additions and 0 deletions
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27
tests/controls/itemcontainertest.cpp
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@@ -270,6 +270,33 @@ void ItemContainerTestCase::SetString()
#endif
}
void ItemContainerTestCase::SelectionAfterDelete()
{
wxItemContainer * const container = GetContainer();
container->Append("item 0");
container->Append("item 1");
container->Append("item 2");
container->Append("item 3");
container->SetSelection(1);
CHECK( container->GetSelection() == 1 );
container->Delete(3);
CHECK( container->GetSelection() == 1 );
container->Delete(1);
CHECK( container->GetSelection() == wxNOT_FOUND );
container->SetSelection(1);
container->Delete(1);
CHECK( container->GetSelection() == wxNOT_FOUND );
container->SetSelection(0);
container->Delete(0);
CHECK( container->GetSelection() == wxNOT_FOUND );
}
void ItemContainerTestCase::SetSelection()
{
wxItemContainer * const container = GetContainer();