micropython: add micropython component

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

@@ -0,0 +1,53 @@
+# Test that returning of NotImplemented from binary op methods leads to
+# TypeError.
+try:
+    NotImplemented
+except NameError:
+    print("SKIP")
+    raise SystemExit
+
+class C:
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return "C({})".format(self.value)
+
+    def __add__(self, rhs):
+        print(self, '+', rhs)
+        return NotImplemented
+
+    def __sub__(self, rhs):
+        print(self, '-', rhs)
+        return NotImplemented
+
+    def __lt__(self, rhs):
+        print(self, '<', rhs)
+        return NotImplemented
+
+    def __neg__(self):
+        print('-', self)
+        return NotImplemented
+
+c = C(0)
+
+try:
+    c + 1
+except TypeError:
+    print("TypeError")
+
+try:
+    c - 2
+except TypeError:
+    print("TypeError")
+
+try:
+    c < 1
+except TypeError:
+    print("TypeError")
+
+# NotImplemented isn't handled specially in unary methods
+print(-c)
+
+# Test that NotImplemented can be hashed
+print(type(hash(NotImplemented)))