#!/usr/bin/env python
#
# Test grid locator conversion.
#
# Midenhead specification at
#       http://en.wikipedia.org/wiki/Maidenhead_Locator_System
# Test conversions generated using
#       http://f6fvy.free.fr/qthLocator/

import sys, gps.clienthelpers

errors = 0
for (lat, lon, maidenhead, location) in [
    (48.86471,  2.37305, "JN18eu", "Paris"),
    (41.93498, 12.43652, "JN61fw", "Rome"),
    (39.9771,  -75.1685, "FM29jx", "Philadelphia"),
    (-23.4028, -50.9766, "GG46mo", "Sao Paulo"),
    ]:
    converted = gps.clienthelpers.maidenhead(lat, lon)
    if converted != maidenhead:
        print >>sys.stderr, "maidenhead test: from %s %s (%s) expected %s got %s" \
              % (lat, lon, location, maidenhead, converted)
        errors += 1
    else:
        print "%s OK" % location

if errors:
    sys.exit(1)
else:
    sys.exit(0)