hdl.ast: fix range handling in Shape.cast.

Fixes #803.
2023-06-07 11:45:56 +02:00 · 2023-06-07 11:45:56 +02:00 · c7984463c7
commit c7984463c7
parent fcbc8bd46f
2 changed files with 6 additions and 3 deletions
--- a/tests/test_hdl_ast.py
+++ b/tests/test_hdl_ast.py
@ -117,6 +117,9 @@ class ShapeTestCase(FHDLTestCase):
        s7 = Shape.cast(range(-1, -1))
        self.assertEqual(s7.width, 0)
        self.assertEqual(s7.signed, True)
+        s8 = Shape.cast(range(0, 10, 3))
+        self.assertEqual(s8.width, 4)
+        self.assertEqual(s8.signed, False)

    def test_cast_enum(self):
        s1 = Shape.cast(UnsignedEnum)