micropython: add micropython component

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

@@ -0,0 +1,39 @@
+class C:
+    def f():
+        pass
+
+# del a class attribute
+
+del C.f
+try:
+    print(C.x)
+except AttributeError:
+    print("AttributeError")
+try:
+    del C.f
+except AttributeError:
+    print("AttributeError")
+
+# del an instance attribute
+
+c = C()
+
+c.x = 1
+print(c.x)
+
+del c.x
+try:
+    print(c.x)
+except AttributeError:
+    print("AttributeError")
+try:
+    del c.x
+except AttributeError:
+    print("AttributeError")
+
+# try to del an attribute of a built-in class
+try:
+    del int.to_bytes
+except (AttributeError, TypeError):
+    # uPy raises AttributeError, CPython raises TypeError
+    print('AttributeError/TypeError')