micropython: add micropython component

components/language/micropython/tests/float/float_format.py

@@ -0,0 +1,19 @@
+# test float formatting
+
+# general rounding
+for val in (116, 1111, 1234, 5010, 11111):
+    print("%.0f" % val)
+    print("%.1f" % val)
+    print("%.3f" % val)
+
+# make sure rounding is done at the correct precision
+for prec in range(8):
+    print(("%%.%df" % prec) % 6e-5)
+
+# check certain cases that had a digit value of 10 render as a ":" character
+print("%.2e" % float("9" * 51 + "e-39"))
+print("%.2e" % float("9" * 40 + "e-21"))
+
+# check a case that would render negative digit values, eg ")" characters
+# the string is converted back to a float to check for no illegal characters
+float("%.23e" % 1e-80)