1 files changed, 19 insertions, 0 deletions
diff --git a/Lib/test/test_dis.py b/Lib/test/test_dis.py
index 7867449..d5d815d 100644
--- a/Lib/test/test_dis.py
+++ b/Lib/test/test_dis.py
@@ -1212,5 +1212,24 @@ class BytecodeTests(unittest.TestCase):
         b = dis.Bytecode.from_traceback(tb)
         self.assertEqual(b.dis(), dis_traceback)
 
+
+class TestBytecodeTestCase(BytecodeTestCase):
+    def test_assert_not_in_with_op_not_in_bytecode(self):
+        code = compile("a = 1", "<string>", "exec")
+        self.assertInBytecode(code, "LOAD_CONST", 1)
+        self.assertNotInBytecode(code, "LOAD_NAME")
+        self.assertNotInBytecode(code, "LOAD_NAME", "a")
+
+    def test_assert_not_in_with_arg_not_in_bytecode(self):
+        code = compile("a = 1", "<string>", "exec")
+        self.assertInBytecode(code, "LOAD_CONST")
+        self.assertInBytecode(code, "LOAD_CONST", 1)
+        self.assertNotInBytecode(code, "LOAD_CONST", 2)
+
+    def test_assert_not_in_with_arg_in_bytecode(self):
+        code = compile("a = 1", "<string>", "exec")
+        with self.assertRaises(AssertionError):
+            self.assertNotInBytecode(code, "LOAD_CONST", 1)
+
 if __name__ == "__main__":
     unittest.main()