merge with main repo 3.2 branchv3.2.4rc1

2 files changed, 26 insertions, 1 deletions

diff --git a/Lib/test/test_queue.py b/Lib/test/test_queue.py
index 86ad9c0765..2cdfee4008 100644
--- a/Lib/test/test_queue.py
+++ b/Lib/test/test_queue.py
@@ -46,6 +46,9 @@ class _TriggerThread(threading.Thread):
 
 class BlockingTestMixin:
 
+    def tearDown(self):
+        self.t = None
+
     def do_blocking_test(self, block_func, block_args, trigger_func, trigger_args):
         self.t = _TriggerThread(trigger_func, trigger_args)
         self.t.start()
@@ -260,7 +263,7 @@ class FailingQueue(queue.Queue):
             raise FailingQueueException("You Lose")
         return queue.Queue._get(self)
 
-class FailingQueueTest(unittest.TestCase, BlockingTestMixin):
+class FailingQueueTest(BlockingTestMixin, unittest.TestCase):
 
     def failing_queue_test(self, q):
         if q.qsize():
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index b1e9027999..1a50de3a6f 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -79,6 +79,28 @@ class PopenExecuteChildRaises(subprocess.Popen):
 
 class ProcessTestCase(BaseTestCase):
 
+    def test_io_buffered_by_default(self):
+        p = subprocess.Popen([sys.executable, "-c", "import sys; sys.exit(0)"],
+                             stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+                             stderr=subprocess.PIPE)
+        try:
+            self.assertIsInstance(p.stdin, io.BufferedIOBase)
+            self.assertIsInstance(p.stdout, io.BufferedIOBase)
+            self.assertIsInstance(p.stderr, io.BufferedIOBase)
+        finally:
+            p.wait()
+
+    def test_io_unbuffered_works(self):
+        p = subprocess.Popen([sys.executable, "-c", "import sys; sys.exit(0)"],
+                             stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+                             stderr=subprocess.PIPE, bufsize=0)
+        try:
+            self.assertIsInstance(p.stdin, io.RawIOBase)
+            self.assertIsInstance(p.stdout, io.RawIOBase)
+            self.assertIsInstance(p.stderr, io.RawIOBase)
+        finally:
+            p.wait()
+
     def test_call_seq(self):
         # call() function with sequence argument
         rc = subprocess.call([sys.executable, "-c",