test_that("check class", {
  testthat::skip_on_cran()
  local_edition(3)

  ##set empty curve object and show it
  expect_output(show(set_RLum(class = "RLum.Data.Curve")))

  ##check replacements fo
  object <- set_RLum(class = "RLum.Data.Curve")
  expect_s4_class(set_RLum(class = "RLum.Data.Curve", data = object), class = "RLum.Data.Curve")

  ##check get_RLum
  object <- set_RLum(class = "RLum.Data.Curve", data = object, info = list(a = "test"))
  expect_warning(get_RLum(object, info.object = "est"), regexp = "Invalid info.object name")

  ##test names
  expect_type(names(object), "character")

  ##test bin
  expect_warning(bin_RLum.Data(object, bin_size = -2), "Argument 'bin_size' invalid, nothing was done!")

  ##check conversions
  expect_s4_class(as(object = list(1:10), Class = "RLum.Data.Curve"), "RLum.Data.Curve")
  expect_type(as(object = object, Class = "list"), "list")
  expect_s4_class(as(object = matrix(1:10,ncol = 2), Class = "RLum.Data.Curve"), "RLum.Data.Curve")

})