Change test

Author: rruuaanng

Lib/test/test_capi/test_abstract.py

@@ -340,19 +340,19 @@ def test_object_delattrstring(self):
         # CRASHES delattrstring(NULL, b'a')
 
     def test_copy_to_object(self):
-        s1 = _testcapi.object_copy_to_object(bytes(5), 'abcde', 'C')
-        s2 = _testcapi.object_copy_to_object(bytes(5), 'abcde', 'F')
-        s3 = _testcapi.object_copy_to_object(bytes(5), 'abcde', 'A')
-        try:
-            _testcapi.object_copy_to_object(bytes(4), 'abcde', 'A')
-            _testcapi.object_copy_to_object(list(), 'abcde', 'A')
-        except BufferError as e:
-            self.assertIsInstance(e, BufferError)
-        except TypeError as e:
-            self.assertIsInstance(e, TypeError)
+        copy_to_object = _testcapi.object_copy_to_object
+        s1 = copy_to_object(bytes(3), 'abc', 'C')
+        s2 = copy_to_object(bytes(3), 'abc', 'F')
+        s3 = copy_to_object(bytes(3), 'abc', 'A')
         self.assertEqual(s1, s2)
         self.assertEqual(s2, s3)
         self.assertEqual(s1, s3)
+        self.assertRaises(BufferError, copy_to_object, bytes(2), 'abc', 'C')
+        self.assertRaises(BufferError, copy_to_object, bytes(2), 'abc', 'F')
+        self.assertRaises(BufferError, copy_to_object, bytes(2), 'abc', 'A')
+        self.assertRaises(TypeError, copy_to_object, list(), 'abc', 'C')
+        self.assertRaises(TypeError, copy_to_object, list(), 'abc', 'F')
+        self.assertRaises(TypeError, copy_to_object, list(), 'abc', 'A')
 
     def test_mapping_check(self):
         check = _testlimitedcapi.mapping_check