[3.11] gh-99430: Remove duplicated tests for old-styled classes (GH-99432) (GH-115298)

python 1 & 2 were a loong time ago.
(cherry picked from commit d329f85)

Co-authored-by: Nikita Sobolev <[email protected]>

Author: serhiy-storchaka

Lib/test/pydocfodder.py

@@ -2,85 +2,7 @@
 
 import types
 
-class A_classic:
-    "A classic class."
-    def A_method(self):
-        "Method defined in A."
-    def AB_method(self):
-        "Method defined in A and B."
-    def AC_method(self):
-        "Method defined in A and C."
-    def AD_method(self):
-        "Method defined in A and D."
-    def ABC_method(self):
-        "Method defined in A, B and C."
-    def ABD_method(self):
-        "Method defined in A, B and D."
-    def ACD_method(self):
-        "Method defined in A, C and D."
-    def ABCD_method(self):
-        "Method defined in A, B, C and D."
-
-
-class B_classic(A_classic):
-    "A classic class, derived from A_classic."
-    def AB_method(self):
-        "Method defined in A and B."
-    def ABC_method(self):
-        "Method defined in A, B and C."
-    def ABD_method(self):
-        "Method defined in A, B and D."
-    def ABCD_method(self):
-        "Method defined in A, B, C and D."
-    def B_method(self):
-        "Method defined in B."
-    def BC_method(self):
-        "Method defined in B and C."
-    def BD_method(self):
-        "Method defined in B and D."
-    def BCD_method(self):
-        "Method defined in B, C and D."
-
-class C_classic(A_classic):
-    "A classic class, derived from A_classic."
-    def AC_method(self):
-        "Method defined in A and C."
-    def ABC_method(self):
-        "Method defined in A, B and C."
-    def ACD_method(self):
-        "Method defined in A, C and D."
-    def ABCD_method(self):
-        "Method defined in A, B, C and D."
-    def BC_method(self):
-        "Method defined in B and C."
-    def BCD_method(self):
-        "Method defined in B, C and D."
-    def C_method(self):
-        "Method defined in C."
-    def CD_method(self):
-        "Method defined in C and D."
-
-class D_classic(B_classic, C_classic):
-    "A classic class, derived from B_classic and C_classic."
-    def AD_method(self):
-        "Method defined in A and D."
-    def ABD_method(self):
-        "Method defined in A, B and D."
-    def ACD_method(self):
-        "Method defined in A, C and D."
-    def ABCD_method(self):
-        "Method defined in A, B, C and D."
-    def BD_method(self):
-        "Method defined in B and D."
-    def BCD_method(self):
-        "Method defined in B, C and D."
-    def CD_method(self):
-        "Method defined in C and D."
-    def D_method(self):
-        "Method defined in D."
-
-
-class A_new(object):
+class A_new:
     "A new-style class."
 
     def A_method(self):

Lib/test/test_copy.py

@@ -91,9 +91,7 @@ def __getattribute__(self, name):
     # Type-specific _copy_xxx() methods
 
     def test_copy_atomic(self):
-        class Classic:
-            pass
-        class NewStyle(object):
+        class NewStyle:
             pass
         def f():
             pass
@@ -103,7 +101,7 @@ class WithMetaclass(metaclass=abc.ABCMeta):
                  42, 2**100, 3.14, True, False, 1j,
                  "hello", "hello\u1234", f.__code__,
                  b"world", bytes(range(256)), range(10), slice(1, 10, 2),
-                 NewStyle, Classic, max, WithMetaclass, property()]
+                 NewStyle, max, WithMetaclass, property()]
         for x in tests:
             self.assertIs(copy.copy(x), x)
 
@@ -356,15 +354,13 @@ def __getattribute__(self, name):
     # Type-specific _deepcopy_xxx() methods
 
     def test_deepcopy_atomic(self):
-        class Classic:
-            pass
-        class NewStyle(object):
+        class NewStyle:
             pass
         def f():
             pass
         tests = [None, ..., NotImplemented, 42, 2**100, 3.14, True, False, 1j,
                  b"bytes", "hello", "hello\u1234", f.__code__,
-                 NewStyle, range(10), Classic, max, property()]
+                 NewStyle, range(10), max, property()]
         for x in tests:
             self.assertIs(copy.deepcopy(x), x)
 

Lib/test/test_descr.py

@@ -3256,12 +3256,8 @@ def __get__(self, object, otype):
                 if otype:
                     otype = otype.__name__
                 return 'object=%s; type=%s' % (object, otype)
-        class OldClass:
+        class NewClass:
             __doc__ = DocDescr()
-        class NewClass(object):
-            __doc__ = DocDescr()
-        self.assertEqual(OldClass.__doc__, 'object=None; type=OldClass')
-        self.assertEqual(OldClass().__doc__, 'object=OldClass instance; type=OldClass')
         self.assertEqual(NewClass.__doc__, 'object=None; type=NewClass')
         self.assertEqual(NewClass().__doc__, 'object=NewClass instance; type=NewClass')
 

Lib/test/test_gc.py

@@ -542,48 +542,6 @@ def __getattr__(self, someattribute):
         self.assertEqual(gc.collect(), 2)
         self.assertEqual(len(gc.garbage), garbagelen)
 
-    def test_boom_new(self):
-        # boom__new and boom2_new are exactly like boom and boom2, except use
-        # new-style classes.
-
-        class Boom_New(object):
-            def __getattr__(self, someattribute):
-                del self.attr
-                raise AttributeError
-
-        a = Boom_New()
-        b = Boom_New()
-        a.attr = b
-        b.attr = a
-
-        gc.collect()
-        garbagelen = len(gc.garbage)
-        del a, b
-        self.assertEqual(gc.collect(), 2)
-        self.assertEqual(len(gc.garbage), garbagelen)
-
-    def test_boom2_new(self):
-        class Boom2_New(object):
-            def __init__(self):
-                self.x = 0
-
-            def __getattr__(self, someattribute):
-                self.x += 1
-                if self.x > 1:
-                    del self.attr
-                raise AttributeError
-
-        a = Boom2_New()
-        b = Boom2_New()
-        a.attr = b
-        b.attr = a
-
-        gc.collect()
-        garbagelen = len(gc.garbage)
-        del a, b
-        self.assertEqual(gc.collect(), 2)
-        self.assertEqual(len(gc.garbage), garbagelen)
-
     def test_get_referents(self):
         alist = [1, 3, 5]
         got = gc.get_referents(alist)

Lib/test/test_unicode.py

@@ -2443,12 +2443,7 @@ class s1:
             def __repr__(self):
                 return '\\n'
 
-        class s2:
-            def __repr__(self):
-                return '\\n'
-
         self.assertEqual(repr(s1()), '\\n')
-        self.assertEqual(repr(s2()), '\\n')
 
     def test_printable_repr(self):
         self.assertEqual(repr('\U00010000'), "'%c'" % (0x10000,)) # printable