Update Lib/test/test_class.py from CPython v3.12.0

2023-11-23 16:31:27 +08:00
parent 68dc5ca052
commit e06f5ccfe4
1 changed files with 14 additions and 0 deletions
--- a/Lib/test/test_class.py
+++ b/Lib/test/test_class.py
@@ -445,6 +445,20 @@ class ClassTests(unittest.TestCase):
        del testme.cardinal
        self.assertCallStack([('__delattr__', (testme, "cardinal"))])

+    def testHasAttrString(self):
+        import sys
+        from test.support import import_helper
+        _testcapi = import_helper.import_module('_testcapi')
+
+        class A:
+            def __init__(self):
+                self.attr = 1
+
+        a = A()
+        self.assertEqual(_testcapi.object_hasattrstring(a, b"attr"), 1)
+        self.assertEqual(_testcapi.object_hasattrstring(a, b"noattr"), 0)
+        self.assertIsNone(sys.exception())
+
    def testDel(self):
        x = []