[Differential] [Request, 20 lines] D1501: [autotest] Work around "cannot assign undefined" warning

[graesslin (Martin Gräßlin)]

graesslin created this revision.
graesslin added a reviewer: Plasma.
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Restricted Application added a subscriber: plasma-devel.

REVISION SUMMARY
  If both tests cases in the qml file dialog test are run together, there
  is a warning:
  file:///opt/qt5/qml/QtQuick/Controls/TextField.qml:638:28: Unable to assign [undefined] to QString
  
  This seems to be caused by destroying the QQmlEngine. Thus this change
  keeps one QQmlEngine around and also changes the memory management in
  other areas. The ownership of a created component is passed to the
  caller, thus it needs to be in a QScopedPointer.
  
  Note: this test asserts on build.kde.org. I'm not able to reproduce the
  assert locally, but I think it might be related to this warning.

REPOSITORY
  rPLASMAINTEGRATION Integration for Qt applications in Plasma

BRANCH
  autotest-memory-management

REVISION DETAIL
  https://phabricator.kde.org/D1501

AFFECTED FILES
  autotests/kfiledialogqml_unittest.cpp

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, Plasma
Cc: plasma-devel, sebas
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