diff options
Diffstat (limited to 'Lib/test/test_gc.py')
| -rw-r--r-- | Lib/test/test_gc.py | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/Lib/test/test_gc.py b/Lib/test/test_gc.py index 2ac1d4b..a4d684b 100644 --- a/Lib/test/test_gc.py +++ b/Lib/test/test_gc.py @@ -1,7 +1,8 @@ import unittest from test.support import (verbose, refcount_test, run_unittest, - strip_python_stderr, cpython_only, start_threads) -from test.script_helper import assert_python_ok, make_script, temp_dir + strip_python_stderr, cpython_only, start_threads, + temp_dir, requires_type_collecting) +from test.support.script_helper import assert_python_ok, make_script import sys import time @@ -117,6 +118,7 @@ class GCTests(unittest.TestCase): del a self.assertNotEqual(gc.collect(), 0) + @requires_type_collecting def test_newinstance(self): class A(object): pass @@ -546,11 +548,31 @@ class GCTests(unittest.TestCase): class UserClass: pass + + class UserInt(int): + pass + + # Base class is object; no extra fields. + class UserClassSlots: + __slots__ = () + + # Base class is fixed size larger than object; no extra fields. + class UserFloatSlots(float): + __slots__ = () + + # Base class is variable size; no extra fields. + class UserIntSlots(int): + __slots__ = () + self.assertTrue(gc.is_tracked(gc)) self.assertTrue(gc.is_tracked(UserClass)) self.assertTrue(gc.is_tracked(UserClass())) + self.assertTrue(gc.is_tracked(UserInt())) self.assertTrue(gc.is_tracked([])) self.assertTrue(gc.is_tracked(set())) + self.assertFalse(gc.is_tracked(UserClassSlots())) + self.assertFalse(gc.is_tracked(UserFloatSlots())) + self.assertFalse(gc.is_tracked(UserIntSlots())) def test_bug1055820b(self): # Corresponds to temp2b.py in the bug report. @@ -657,6 +679,7 @@ class GCTests(unittest.TestCase): stderr = run_command(code % "gc.DEBUG_SAVEALL") self.assertNotIn(b"uncollectable objects at shutdown", stderr) + @requires_type_collecting def test_gc_main_module_at_shutdown(self): # Create a reference cycle through the __main__ module and check # it gets collected at interpreter shutdown. @@ -671,6 +694,7 @@ class GCTests(unittest.TestCase): rc, out, err = assert_python_ok('-c', code) self.assertEqual(out.strip(), b'__del__ called') + @requires_type_collecting def test_gc_ordinary_module_at_shutdown(self): # Same as above, but with a non-__main__ module. with temp_dir() as script_dir: |