test_that("two way date time conversion (non heuristic)", {
  expect_equal(
    tsbox:::POSIXct_to_tsp(tsbox:::ts_to_POSIXct(AirPassengers)),
    tsp(AirPassengers)
  )
  expect_equal(
    tsbox:::POSIXct_to_tsp(tsbox:::ts_to_POSIXct(EuStockMarkets)),
    tsp(EuStockMarkets)
  )
  expect_equal(
    tsbox:::POSIXct_to_tsp(tsbox:::ts_to_POSIXct(discoveries)),
    tsp(discoveries)
  )
  expect_equal(
    tsbox:::POSIXct_to_tsp(tsbox:::ts_to_POSIXct(mdeaths)),
    tsp(mdeaths)
  )
  expect_equal(
    tsbox:::POSIXct_to_tsp(tsbox:::ts_to_POSIXct(uspop)),
    tsp(uspop)
  )
  expect_equal(
    tsbox:::POSIXct_to_tsp(tsbox:::ts_to_POSIXct(austres)),
    tsp(austres)
  )
})

test_that("two way date time conversion (heuristic)", {
  expect_equal(
    tsbox:::date_time_to_tsp(tsbox:::ts_to_date_time(AirPassengers)),
    tsp(AirPassengers)
  )
  expect_equal(
    tsbox:::date_time_to_tsp(tsbox:::ts_to_date_time(EuStockMarkets)),
    tsp(EuStockMarkets)
  )
  expect_equal(
    tsbox:::date_time_to_tsp(tsbox:::ts_to_date_time(discoveries)),
    tsp(discoveries)
  )
  expect_equal(
    tsbox:::date_time_to_tsp(tsbox:::ts_to_date_time(mdeaths)),
    tsp(mdeaths)
  )
  expect_equal(
    tsbox:::date_time_to_tsp(tsbox:::ts_to_date_time(uspop)),
    tsp(uspop)
  )
  expect_equal(
    tsbox:::date_time_to_tsp(tsbox:::ts_to_date_time(austres)),
    tsp(austres)
  )
})