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Ulrich Schöpp authored
A NullPointerException may be triggered in the following way: - Create a component with one port. - Double click the component to open its editor. - In the newly opened editor, select the port to open its property section. - Switch back to the editor for the parent component and delete the port there. - Switching to the editor where the port was selected triggers an NPE. The commits adds NPE-tests to the property section. Issue-Ref: 3997 Issue-Url: https://af3-developer.fortiss.org/issues/3997 Signed-off-by: Ulrich Schöpp <schoepp@fortiss.org>
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