More tests

JelleZijlstra · Sep 22, 2024 · 4f08276 · 4f08276
1 parent 293fb0a
commit 4f08276
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/Lib/test/test_annotationlib.py b/Lib/test/test_annotationlib.py
@@ -286,6 +286,18 @@ def test_fwdref_with_module(self):
             # If globals are passed explicitly, we don't look at the module dict
             ForwardRef("Format", module="annotationlib").evaluate(globals={})
 
+    def test_fwdref_to_builtin(self):
+        self.assertIs(ForwardRef("int").evaluate(), int)
+        self.assertIs(ForwardRef("int", module="collections").evaluate(), int)
+        self.assertIs(ForwardRef("int", owner=str).evaluate(), int)
+
+        # builtins are still searched with explicit globals
+        self.assertIs(ForwardRef("int").evaluate(globals={}), int)
+
+        # explicit values in globals have precedence
+        obj = object()
+        self.assertIs(ForwardRef("int").evaluate(globals={"int": obj}), obj)
+
     def test_fwdref_value_is_cached(self):
         fr = ForwardRef("hello")
         with self.assertRaises(NameError):