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37 lines
1.1 KiB
37 lines
1.1 KiB
import unittest
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import tkinter
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from test.support import requires, swap_attr
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from tkinter.test.support import AbstractDefaultRootTest
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from tkinter.commondialog import Dialog
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from tkinter.messagebox import showinfo
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requires('gui')
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class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
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def test_showinfo(self):
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def test_callback(dialog, master):
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nonlocal ismapped
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master.update()
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ismapped = master.winfo_ismapped()
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raise ZeroDivisionError
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with swap_attr(Dialog, '_test_callback', test_callback):
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ismapped = None
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self.assertRaises(ZeroDivisionError, showinfo, "Spam", "Egg Information")
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self.assertEqual(ismapped, False)
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root = tkinter.Tk()
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ismapped = None
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self.assertRaises(ZeroDivisionError, showinfo, "Spam", "Egg Information")
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self.assertEqual(ismapped, True)
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root.destroy()
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tkinter.NoDefaultRoot()
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self.assertRaises(RuntimeError, showinfo, "Spam", "Egg Information")
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if __name__ == "__main__":
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unittest.main()
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