'use strict'

casper.test.begin "Testing error handling", (test) ->
  casper.start "#{casper.TEST_URL}#{casper.URL}.html", ->
    test.info "Test error handling using callbacks"

    @evaluate ->
      request = new XMLHttpRequest()

      # Let's get the first user's photo.
      request.open "GET", "photo.jpg", true
      request.responseType = "arraybuffer"

      __utils__.echo localforage.driver()

      # When the AJAX state changes, save the photo locally.
      request.addEventListener "readystatechange", ->
        if request.readyState == 4 # readyState DONE
          for i in [1..1000] by 1
            return if window._myError
            localforage.setItem("array #{i}", request.response).then (value) ->
              return
            , (error) ->
              window._myError = error
              __utils__.findOne('.status').id = 'inserted-blob'

      request.send()

    @waitForSelector '#inserted-blob', ->
      test.assertEval ->
        window._myError isnt undefined
      , "Saving too much data rejects a Promise"

      test.assertEval ->
        window._myError.message isnt undefined and
        window._myError.originalError isnt undefined
      , "Promise rejection should return an Error object"
    # , null, 50000

  # casper.then ->
  #   @evaluate ->
  #     request = new XMLHttpRequest()

  #     # Let's get the first user's photo.
  #     request.open "GET", "photo.jpg", true
  #     request.responseType = "arraybuffer"

  #     # When the AJAX state changes, save the photo locally.
  #     request.addEventListener "readystatechange", ->
  #       if request.readyState == 4 # readyState DONE
  #         for i in [1..100] by 1
  #           localforage.setItem("array #{i}", request.response).then (value) ->
  #             return
  #           , (error) ->
  #             window._myError = error
  #             __utils__.findOne('.status').id = 'inserted-blob'
  #           count = count + 1

  #     request.send()

  #   @waitForSelector '#inserted-blob', ->
  #     test.assertEval ->
  #       window._myError isnt undefined
  #     , "All err"
  #   , null, 5000

  casper.then ->
    @evaluate ->
      localforage.clear()

  casper.wait 300

  casper.run ->
    test.done()