Does QWidget::setAttribute() work with QWidget child classes?

[Wasabi]

This is a purely theoretical question, no actual code to display (well, one line). If I create a class that inherits from QWidget, does .setAttribute() still work for it? Most importantly, does it work with WA_DeleteOnClose?

//...
(myWidget) potato;
potato.setAttribute(Qt::WA_DeleteOnClose);
//....

//...
(myWidget) potato;
potato.setAttribute(Qt::WA_DeleteOnClose);
//....

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Will WA_DeleteOnClose summon the class' destructor or only QWidget's?