GH-106360: Support very basic superblock introspection (#106422)

* Add len() and indexing support to uop superblocks.

1 files changed, 23 insertions, 0 deletions

diff --git a/Lib/test/test_capi/test_misc.py b/Lib/test/test_capi/test_misc.py
index 9e825a3..de9f00a 100644
--- a/Lib/test/test_capi/test_misc.py
+++ b/Lib/test/test_capi/test_misc.py
@@ -2415,5 +2415,28 @@ class TestOptimizerAPI(unittest.TestCase):
             self.assertEqual(opt.get_count(), 10)
 
 
+class TestUops(unittest.TestCase):
+
+    def test_basic_loop(self):
+
+        def testfunc(x):
+            i = 0
+            while i < x:
+                i += 1
+
+        testfunc(1000)
+
+        ex = None
+        for offset in range(0, 100, 2):
+            try:
+                ex = _testinternalcapi.get_executor(testfunc.__code__, offset)
+                break
+            except ValueError:
+                pass
+        if ex is None:
+            return
+        self.assertIn("SAVE_IP", str(ex))
+
+
 if __name__ == "__main__":
     unittest.main()