micropython: add micropython component

components/language/micropython/tests/basics/errno1.py

@@ -0,0 +1,25 @@
+# test errno's and uerrno module
+
+try:
+    import uerrno
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+# check that constants exist and are integers
+print(type(uerrno.EIO))
+
+# check that errors are rendered in a nice way
+msg = str(OSError(uerrno.EIO))
+print(msg[:7], msg[-5:])
+msg = str(OSError(uerrno.EIO, "details"))
+print(msg[:7], msg[-14:])
+msg = str(OSError(uerrno.EIO, "details", "more details"))
+print(msg[:1], msg[-28:])
+
+# check that unknown errno is still rendered
+print(str(OSError(9999)))
+
+# this tests a failed constant lookup in errno
+errno = uerrno
+print(errno.__name__)