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1"Test zoomheight, coverage 66%."
2# Some code is system dependent.
3
4from idlelib import zoomheight
5import unittest
6from test.support import requires
7from tkinter import Tk
8from idlelib.editor import EditorWindow
9
10
11class Test(unittest.TestCase):
12
13    @classmethod
14    def setUpClass(cls):
15        requires('gui')
16        cls.root = Tk()
17        cls.root.withdraw()
18        cls.editwin = EditorWindow(root=cls.root)
19
20    @classmethod
21    def tearDownClass(cls):
22        cls.editwin._close()
23        cls.root.update_idletasks()
24        for id in cls.root.tk.call('after', 'info'):
25            cls.root.after_cancel(id)  # Need for EditorWindow.
26        cls.root.destroy()
27        del cls.root
28
29    def test_init(self):
30        zoom = zoomheight.ZoomHeight(self.editwin)
31        self.assertIs(zoom.editwin, self.editwin)
32
33    def test_zoom_height_event(self):
34        zoom = zoomheight.ZoomHeight(self.editwin)
35        zoom.zoom_height_event()
36
37
38if __name__ == '__main__':
39    unittest.main(verbosity=2)
40