1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index aa302c2..29dc386 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -5293,6 +5293,14 @@ class TestStartMethod(unittest.TestCase):
             self.assertRaises(ValueError, ctx.set_start_method, None)
             self.check_context(ctx)
 
+    def test_context_check_module_types(self):
+        try:
+            ctx = multiprocessing.get_context('forkserver')
+        except ValueError:
+            raise unittest.SkipTest('forkserver should be available')
+        with self.assertRaisesRegex(TypeError, 'module_names must be a list of strings'):
+            ctx.set_forkserver_preload([1, 2, 3])
+
     def test_set_get(self):
         multiprocessing.set_forkserver_preload(PRELOAD)
         count = 0