hdl.rec: fix slicing of records.

2019-04-19 19:55:39 +00:00 · 2019-04-19 19:55:39 +00:00 · 611c25f909
commit 611c25f909
parent dda8f34d39
2 changed files with 22 additions and 10 deletions
--- a/nmigen/test/test_hdl_rec.py
+++ b/nmigen/test/test_hdl_rec.py
@ -79,6 +79,15 @@ class RecordTestCase(FHDLTestCase):
        self.assertEqual(repr(r), "(rec <unnamed> stb)")
        self.assertEqual(r.stb.name, "stb")

+    def test_iter(self):
+        r = Record([
+            ("data", 4),
+            ("stb",  1),
+        ])
+
+        self.assertEqual(repr(r[0]),   "(slice (rec r data stb) 0:1)")
+        self.assertEqual(repr(r[0:3]), "(slice (rec r data stb) 0:3)")
+
    def test_wrong_field(self):
        r = Record([
            ("stb", 1),