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authorAntoine Pitrou <solipsis@pitrou.net>2013-07-30 17:59:21 (GMT)
committerAntoine Pitrou <solipsis@pitrou.net>2013-07-30 17:59:21 (GMT)
commit796564c27b8f2e32b9fbc034bbdda75f9507ca43 (patch)
tree52db4985f7fe10db48703103a156ff3fd2011d8d /Lib/test/test_io.py
parentc5d95b17acfdf2d01569bd32d67cadbd5f5cd4a3 (diff)
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Issue #18112: PEP 442 implementation (safe object finalization).
Diffstat (limited to 'Lib/test/test_io.py')
-rw-r--r--Lib/test/test_io.py45
1 files changed, 24 insertions, 21 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index 54c0161..c1ea6f2 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -1072,12 +1072,13 @@ class CBufferedReaderTest(BufferedReaderTest, SizeofTest):
def test_garbage_collection(self):
# C BufferedReader objects are collected.
# The Python version has __del__, so it ends into gc.garbage instead
- rawio = self.FileIO(support.TESTFN, "w+b")
- f = self.tp(rawio)
- f.f = f
- wr = weakref.ref(f)
- del f
- support.gc_collect()
+ with support.check_warnings(('', ResourceWarning)):
+ rawio = self.FileIO(support.TESTFN, "w+b")
+ f = self.tp(rawio)
+ f.f = f
+ wr = weakref.ref(f)
+ del f
+ support.gc_collect()
self.assertTrue(wr() is None, wr)
def test_args_error(self):
@@ -1366,13 +1367,14 @@ class CBufferedWriterTest(BufferedWriterTest, SizeofTest):
# C BufferedWriter objects are collected, and collecting them flushes
# all data to disk.
# The Python version has __del__, so it ends into gc.garbage instead
- rawio = self.FileIO(support.TESTFN, "w+b")
- f = self.tp(rawio)
- f.write(b"123xxx")
- f.x = f
- wr = weakref.ref(f)
- del f
- support.gc_collect()
+ with support.check_warnings(('', ResourceWarning)):
+ rawio = self.FileIO(support.TESTFN, "w+b")
+ f = self.tp(rawio)
+ f.write(b"123xxx")
+ f.x = f
+ wr = weakref.ref(f)
+ del f
+ support.gc_collect()
self.assertTrue(wr() is None, wr)
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"123xxx")
@@ -2607,14 +2609,15 @@ class CTextIOWrapperTest(TextIOWrapperTest):
# C TextIOWrapper objects are collected, and collecting them flushes
# all data to disk.
# The Python version has __del__, so it ends in gc.garbage instead.
- rawio = io.FileIO(support.TESTFN, "wb")
- b = self.BufferedWriter(rawio)
- t = self.TextIOWrapper(b, encoding="ascii")
- t.write("456def")
- t.x = t
- wr = weakref.ref(t)
- del t
- support.gc_collect()
+ with support.check_warnings(('', ResourceWarning)):
+ rawio = io.FileIO(support.TESTFN, "wb")
+ b = self.BufferedWriter(rawio)
+ t = self.TextIOWrapper(b, encoding="ascii")
+ t.write("456def")
+ t.x = t
+ wr = weakref.ref(t)
+ del t
+ support.gc_collect()
self.assertTrue(wr() is None, wr)
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"456def")