micropython: add micropython component

components/language/micropython/tests/basics/generator_pep479.py

@@ -0,0 +1,40 @@
+# tests for correct PEP479 behaviour (introduced in Python 3.5)
+
+# basic case: StopIteration is converted into a RuntimeError
+def gen():
+    yield 1
+    raise StopIteration
+g = gen()
+print(next(g))
+try:
+    next(g)
+except RuntimeError:
+    print('RuntimeError')
+
+# trying to continue a failed generator now raises StopIteration
+try:
+    next(g)
+except StopIteration:
+    print('StopIteration')
+
+# throwing a StopIteration which is uncaught will be converted into a RuntimeError
+def gen():
+    yield 1
+    yield 2
+g = gen()
+print(next(g))
+try:
+    g.throw(StopIteration)
+except RuntimeError:
+    print('RuntimeError')
+
+# throwing a StopIteration through yield from, will be converted to a RuntimeError
+def gen():
+    yield from range(2)
+    print('should not get here')
+g = gen()
+print(next(g))
+try:
+    g.throw(StopIteration)
+except RuntimeError:
+    print('RuntimeError')