fix importing one char extension modules (closes #24328)

1 files changed, 8 insertions, 0 deletions

diff --git a/Lib/test/test_importlib/extension/test_loader.py b/Lib/test/test_importlib/extension/test_loader.py
index 5813ade..d82c805 100644
--- a/Lib/test/test_importlib/extension/test_loader.py
+++ b/Lib/test/test_importlib/extension/test_loader.py
@@ -177,6 +177,14 @@ class MultiPhaseExtensionModuleTests(abc.LoaderTests):
         self.assertEqual(module.__name__, 'pkg.' + self.name)
         self.assertEqual(module.str_const, 'something different')
 
+    def test_load_short_name(self):
+        '''Test loading module with a one-character name'''
+        module = self.load_module_by_name('x')
+        self.assertIsInstance(module, types.ModuleType)
+        self.assertEqual(module.__name__, 'x')
+        self.assertEqual(module.str_const, 'something different')
+        assert 'x' not in sys.modules
+
     def test_load_twice(self):
         '''Test that 2 loads result in 2 module objects'''
         module1 = self.load_module_by_name(self.name)