Issue #28732: Raise ValueError when os.spawn*() is passed an empty tuple of arguments

1 files changed, 21 insertions, 0 deletions

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index b3d0b1e..9194a8a 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -2321,6 +2321,27 @@ class SpawnTests(unittest.TestCase):
         exitcode = os.spawnve(os.P_WAIT, args[0], args, self.env)
         self.assertEqual(exitcode, self.exitcode)
 
+    @requires_os_func('spawnl')
+    def test_spawnl_noargs(self):
+        args = self.create_args()
+        self.assertRaises(ValueError, os.spawnl, os.P_NOWAIT, args[0])
+
+    @requires_os_func('spawnle')
+    def test_spawnl_noargs(self):
+        args = self.create_args()
+        self.assertRaises(ValueError, os.spawnle, os.P_NOWAIT, args[0], {})
+
+    @requires_os_func('spawnv')
+    def test_spawnv_noargs(self):
+        args = self.create_args()
+        self.assertRaises(ValueError, os.spawnv, os.P_NOWAIT, args[0], ())
+        self.assertRaises(ValueError, os.spawnv, os.P_NOWAIT, args[0], [])
+
+    @requires_os_func('spawnve')
+    def test_spawnv_noargs(self):
+        args = self.create_args()
+        self.assertRaises(ValueError, os.spawnve, os.P_NOWAIT, args[0], (), {})
+        self.assertRaises(ValueError, os.spawnve, os.P_NOWAIT, args[0], [], {})
 
 # The introduction of this TestCase caused at least two different errors on
 # *nix buildbots. Temporarily skip this to let the buildbots move along.