tests/micropython: Add test for native generators.

Author: dpgeorge

tests/micropython/native_gen.py

@@ -0,0 +1,21 @@
+# test for native generators
+
+# simple generator with yield and return
+@micropython.native
+def gen1(x):
+    yield x
+    yield x + 1
+    return x + 2
+g = gen1(3)
+print(next(g))
+print(next(g))
+try:
+    next(g)
+except StopIteration as e:
+    print(e.args[0])
+
+# using yield from
+@micropython.native
+def gen2(x):
+    yield from range(x)
+print(list(gen2(3)))

tests/micropython/native_gen.py.exp

@@ -0,0 +1,4 @@
+3
+4
+5
+[0, 1, 2]