gh-116484: Fix collisions between Checkbutton and ttk.Checkbutton default names (GH-116495)

Change automatically generated tkinter.Checkbutton widget names to
avoid collisions with automatically generated tkinter.ttk.Checkbutton
widget names within the same parent widget.

1 files changed, 21 insertions, 1 deletions

diff --git a/Lib/test/test_ttk/test_widgets.py b/Lib/test/test_ttk/test_widgets.py
index fd1a748..e3e440c 100644
--- a/Lib/test/test_ttk/test_widgets.py
+++ b/Lib/test/test_ttk/test_widgets.py
@@ -285,9 +285,29 @@ class CheckbuttonTest(AbstractLabelTest, unittest.TestCase):
                 b.pack()
                 buttons.append(b)
         variables = [str(b['variable']) for b in buttons]
-        print(variables)
         self.assertEqual(len(set(variables)), 4, variables)
 
+    def test_unique_variables2(self):
+        buttons = []
+        f = ttk.Frame(self.root)
+        f.pack()
+        f = ttk.Frame(self.root)
+        f.pack()
+        for j in 'AB':
+            b = tkinter.Checkbutton(f, text=j)
+            b.pack()
+            buttons.append(b)
+        # Should be larger than the number of all previously created
+        # tkinter.Checkbutton widgets:
+        for j in range(100):
+            b = ttk.Checkbutton(f, text=str(j))
+            b.pack()
+            buttons.append(b)
+        names = [str(b) for b in buttons]
+        self.assertEqual(len(set(names)), len(buttons), names)
+        variables = [str(b['variable']) for b in buttons]
+        self.assertEqual(len(set(variables)), len(buttons), variables)
+
 
 @add_standard_options(IntegerSizeTests, StandardTtkOptionsTests)
 class EntryTest(AbstractWidgetTest, unittest.TestCase):