47 lines
983 B
Python
47 lines
983 B
Python
import gc
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import weakref
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try:
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import faulthandler
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faulthandler.enable()
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except ImportError:
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pass
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import pyqtgraph as pg
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pg.mkQApp()
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def test_getViewWidget():
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view = pg.PlotWidget()
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vref = weakref.ref(view)
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item = pg.InfiniteLine()
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view.addItem(item)
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assert item.getViewWidget() is view
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del view
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gc.collect()
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assert vref() is None
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assert item.getViewWidget() is None
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def test_getViewWidget_deleted():
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view = pg.PlotWidget()
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item = pg.InfiniteLine()
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view.addItem(item)
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assert item.getViewWidget() is view
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# Arrange to have Qt automatically delete the view widget
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obj = pg.QtGui.QWidget()
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view.setParent(obj)
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del obj
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gc.collect()
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assert not pg.Qt.isQObjectAlive(view)
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assert item.getViewWidget() is None
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#if __name__ == '__main__':
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#view = pg.PlotItem()
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#vref = weakref.ref(view)
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#item = pg.InfiniteLine()
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#view.addItem(item)
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#del view
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#gc.collect()
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