hdl.rec: use a helpful error on unknown field reference.

2019-01-01 03:35:34 +00:00 · 2019-01-01 03:35:34 +00:00 · 031a9e2616
commit 031a9e2616
parent d78e6c155b
2 changed files with 15 additions and 2 deletions
--- a/nmigen/test/test_hdl_rec.py
+++ b/nmigen/test/test_hdl_rec.py
@ -78,3 +78,12 @@ class RecordTestCase(FHDLTestCase):

        self.assertEqual(repr(r), "(rec <unnamed> stb)")
        self.assertEqual(r.stb.name, "stb")
+
+    def test_wrong_field(self):
+        r = Record([
+            ("stb", 1),
+            ("ack", 1),
+        ])
+        with self.assertRaises(NameError,
+                msg="Record does not have a field 'en'. Did you mean one of: stb, ack?"):
+            r.en