1 files changed, 20 insertions, 0 deletions
diff --git a/tests/roots/test-ext-autodoc/target/classes.py b/tests/roots/test-ext-autodoc/target/classes.py
index dc471a6f3..a3b4c6477 100644
--- a/tests/roots/test-ext-autodoc/target/classes.py
+++ b/tests/roots/test-ext-autodoc/target/classes.py
@@ -1,3 +1,7 @@
+from inspect import Parameter, Signature
+from typing import List, Union
+
+
 class Foo:
     pass
 
@@ -10,3 +14,19 @@ class Bar:
 class Baz:
     def __new__(cls, x, y):
         pass
+
+
+class Qux:
+    __signature__ = Signature(parameters=[Parameter('foo', Parameter.POSITIONAL_OR_KEYWORD),
+                                          Parameter('bar', Parameter.POSITIONAL_OR_KEYWORD)])
+
+    def __init__(self, x, y):
+        pass
+
+
+class Quux(List[Union[int, float]]):
+    """A subclass of List[Union[int, float]]"""
+    pass
+
+
+Alias = Foo