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-rw-r--r--Lib/test/test_asyncio/test_subprocess.py28
1 files changed, 28 insertions, 0 deletions
diff --git a/Lib/test/test_asyncio/test_subprocess.py b/Lib/test/test_asyncio/test_subprocess.py
index d82cbbf0a61..dfe23be24a5 100644
--- a/Lib/test/test_asyncio/test_subprocess.py
+++ b/Lib/test/test_asyncio/test_subprocess.py
@@ -223,6 +223,34 @@ class SubprocessMixin:
self.assertEqual(output.rstrip(), b'3')
self.assertEqual(exitcode, 0)
+ def test_cancel_process_wait(self):
+ # Issue #23140: cancel Process.wait()
+
+ @asyncio.coroutine
+ def wait_proc(proc, event):
+ event.set()
+ yield from proc.wait()
+
+ @asyncio.coroutine
+ def cancel_wait():
+ proc = yield from asyncio.create_subprocess_exec(
+ *PROGRAM_BLOCKED,
+ loop=self.loop)
+
+ # Create an internal future waiting on the process exit
+ event = asyncio.Event(loop=self.loop)
+ task = self.loop.create_task(wait_proc(proc, event))
+ yield from event.wait()
+
+ # Cancel the future
+ task.cancel()
+
+ # Kill the process and wait until it is done
+ proc.kill()
+ yield from proc.wait()
+
+ self.loop.run_until_complete(cancel_wait())
+
if sys.platform != 'win32':
# Unix