micropython: add micropython component

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

@@ -0,0 +1,48 @@
+# test that fixed dictionaries cannot be modified
+
+try:
+    import uerrno
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+# Save a copy of uerrno.errorcode, so we can check later
+# that it hasn't been modified.
+errorcode_copy = uerrno.errorcode.copy()
+
+try:
+    uerrno.errorcode.popitem()
+except TypeError:
+    print("TypeError")
+
+try:
+    uerrno.errorcode.pop(0)
+except TypeError:
+    print("TypeError")
+
+try:
+    uerrno.errorcode.setdefault(0, 0)
+except TypeError:
+    print("TypeError")
+
+try:
+    uerrno.errorcode.update([(1, 2)])
+except TypeError:
+    print("TypeError")
+
+try:
+    del uerrno.errorcode[1]
+except TypeError:
+    print("TypeError")
+
+try:
+    uerrno.errorcode[1] = 'foo'
+except TypeError:
+    print("TypeError")
+
+try:
+    uerrno.errorcode.clear()
+except TypeError:
+    print("TypeError")
+
+assert uerrno.errorcode == errorcode_copy