Issue #29319: Prevent RunMainFromImporter overwriting sys.path[0].

1 files changed, 11 insertions, 2 deletions

diff --git a/Lib/idlelib/idle_test/test_autocomplete.py b/Lib/idlelib/idle_test/test_autocomplete.py
index 5fc899dcd4..f3f2dea424 100644
--- a/Lib/idlelib/idle_test/test_autocomplete.py
+++ b/Lib/idlelib/idle_test/test_autocomplete.py
@@ -1,9 +1,13 @@
+''' Test autocomplete and autocomple_w
+
+Coverage of autocomple: 56%
+'''
 import unittest
 from test.support import requires
 from tkinter import Tk, Text
 
-import idlelib.AutoComplete as ac
-import idlelib.AutoCompleteWindow as acw
+import idlelib.autocomplete as ac
+import idlelib.autocomplete_w as acw
 from idlelib.idle_test.mock_idle import Func
 from idlelib.idle_test.mock_tk import Event
 
@@ -91,6 +95,11 @@ class AutoCompleteTest(unittest.TestCase):
         self.assertIsNone(autocomplete.autocomplete_event(ev))
         del ev.mc_state
 
+        # Test that tab after whitespace is ignored.
+        self.text.insert('1.0', '        """Docstring.\n    ')
+        self.assertIsNone(autocomplete.autocomplete_event(ev))
+        self.text.delete('1.0', 'end')
+
         # If autocomplete window is open, complete() method is called
         self.text.insert('1.0', 're.')
         # This must call autocomplete._make_autocomplete_window()