module Main where

import qualified Track (Track, Pos(..), pos, parse, length )
import Test.HUnit
import qualified System.Exit as Exit
import Control.Exception
import Debug.Trace (trace, traceShow)


test1 :: Test
test1 = TestCase $
        case Track.parse "<gpx></gpx>" of
          Left err -> assertFailure (displayException err)
          Right t -> assertEqual "empty track has no elements"
                     0 (Track.length t)

test2 = TestCase $
        case Track.parse
            "<gpx> <trk> <trkseg> \n\
            \<trkpt lat=\"51\" lon=\"-0.1\"> </trkpt> \n\
            \</trkseg> </trk> </gpx>"
        of
          Left err -> assertFailure (displayException err)
          Right (p:ps) ->
            assertEqual "matches lat/lon"
             (Track.pos p)
             (Track.Pos 51.0 (-0.1))

tests :: Test
tests = TestList [
  TestLabel "test1" test1,
  TestLabel "test2" test2
  ]

main :: IO ()
main = do
    result <- runTestTT tests
    if failures result > 0 then Exit.exitFailure else Exit.exitSuccess