If any trash happened to be sitting around waiting to get collected at
the time it's called, test_saveall() made it look a leak, triggering
bogus warnings from regrtest's -l (findleaks) mode.
diff --git a/Lib/test/test_gc.py b/Lib/test/test_gc.py
index 8c79ac6..46448ba 100644
--- a/Lib/test/test_gc.py
+++ b/Lib/test/test_gc.py
@@ -1,4 +1,4 @@
-from test.test_support import verify, verbose, TestFailed
+from test.test_support import verify, verbose, TestFailed, vereq
import sys
import gc
@@ -168,6 +168,12 @@
def test_saveall():
# Verify that cyclic garbage like lists show up in gc.garbage if the
# SAVEALL option is enabled.
+
+ # First make sure we don't save away other stuff that just happens to
+ # be waiting for collection.
+ gc.collect()
+ vereq(gc.garbage, []) # if this fails, someone else created immortal trash
+
debug = gc.get_debug()
gc.set_debug(debug | gc.DEBUG_SAVEALL)
l = []
@@ -175,6 +181,7 @@
id_l = id(l)
del l
gc.collect()
+ vereq(len(gc.garbage), 1)
try:
for obj in gc.garbage:
if id(obj) == id_l: