1 files changed, 12 insertions, 0 deletions
diff --git a/tests/functional/y/yield_inside_async_function.py b/tests/functional/y/yield_inside_async_function.py
new file mode 100644
index 000000000..33585bf77
--- /dev/null
+++ b/tests/functional/y/yield_inside_async_function.py
@@ -0,0 +1,12 @@
+"""Test that `yield` or `yield from` can't be used inside an async function."""
+# pylint: disable=missing-docstring, unused-variable
+
+async def good_coro():
+    def _inner():
+        yield 42
+        yield from [1, 2, 3]
+
+
+async def bad_coro():
+    yield 42 # [yield-inside-async-function]
+    yield from [1, 2, 3] # [yield-inside-async-function]