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import unittest
import tkinter
from test.support import requires, swap_attr
from tkinter.test.support import AbstractDefaultRootTest
from tkinter.simpledialog import Dialog, askinteger
requires('gui')
class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
def test_askinteger(self):
@staticmethod
def mock_wait_window(w):
nonlocal ismapped
ismapped = w.master.winfo_ismapped()
w.destroy()
with swap_attr(Dialog, 'wait_window', mock_wait_window):
ismapped = None
askinteger("Go To Line", "Line number")
self.assertEqual(ismapped, False)
root = tkinter.Tk()
ismapped = None
askinteger("Go To Line", "Line number")
self.assertEqual(ismapped, True)
root.destroy()
tkinter.NoDefaultRoot()
self.assertRaises(RuntimeError, askinteger, "Go To Line", "Line number")
if __name__ == "__main__":
unittest.main()
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