1 files changed, 31 insertions, 0 deletions
diff --git a/tests/extmod/uasyncio_cancel_self.py b/tests/extmod/uasyncio_cancel_self.py
new file mode 100644
index 0000000000..660ae66389
--- /dev/null
+++ b/tests/extmod/uasyncio_cancel_self.py
@@ -0,0 +1,31 @@
+# Test a task cancelling itself (currently unsupported)
+
+try:
+    import uasyncio as asyncio
+except ImportError:
+    try:
+        import asyncio
+    except ImportError:
+        print("SKIP")
+        raise SystemExit
+
+
+async def task():
+    print("task start")
+    global_task.cancel()
+
+
+async def main():
+    global global_task
+    global_task = asyncio.create_task(task())
+    try:
+        await global_task
+    except asyncio.CancelledError:
+        print("main cancel")
+    print("main done")
+
+
+try:
+    asyncio.run(main())
+except RuntimeError as er:
+    print(er)