micropython: add micropython component

components/language/micropython/tests/extmod/ure_error.py

@@ -0,0 +1,28 @@
+# test errors in regex
+
+try:
+    import ure as re
+except ImportError:
+    try:
+        import re
+    except ImportError:
+        print("SKIP")
+        raise SystemExit
+
+
+def test_re(r):
+    try:
+        re.compile(r)
+        print("OK")
+    except:  # uPy and CPy use different errors, so just ignore the type
+        print("Error")
+
+
+test_re(r"?")
+test_re(r"*")
+test_re(r"+")
+test_re(r")")
+test_re(r"[")
+test_re(r"([")
+test_re(r"([)")
+test_re(r"[a\]")