micropython: add micropython component

components/language/micropython/tests/basics/async_with.py

@@ -0,0 +1,39 @@
+# test simple async with execution
+
+class AContext:
+    async def __aenter__(self):
+        print('enter')
+        return 1
+    async def __aexit__(self, exc_type, exc, tb):
+        print('exit', exc_type, exc)
+
+async def f():
+    async with AContext():
+        print('body')
+
+o = f()
+try:
+    o.send(None)
+except StopIteration:
+    print('finished')
+
+async def g():
+    async with AContext() as ac:
+        print(ac)
+        raise ValueError('error')
+
+o = g()
+try:
+    o.send(None)
+except ValueError:
+    print('ValueError')
+
+# test raising BaseException to make sure it is handled by the async-with
+async def h():
+    async with AContext():
+        raise BaseException
+o = h()
+try:
+    o.send(None)
+except BaseException:
+    print('BaseException')