### New tests for issue #23
testthat::context("#26")

testthat::test_that("argument checks for new option", {
  data("tt", package = "rsimsum")

  testthat::expect_s3_class(
    object = simsum(
      data = tt,
      estvarname = "diff",
      se = "se",
      df = "df",
      true = -1
    ),
    class = "simsum"
  )
  testthat::expect_error(
    object = simsum(
      data = tt,
      estvarname = "diff",
      se = "se",
      df = 42,
      true = -1
    )
  )
  testthat::expect_error(
    object = simsum(
      data = tt,
      estvarname = "diff",
      se = "se",
      df = NA,
      true = -1
    )
  )
  testthat::expect_error(
    object = simsum(
      data = tt,
      estvarname = "diff",
      se = "se",
      df = "NULL",
      true = -1
    )
  )
})

testthat::test_that("expect equivalent values when passing lower, upper (based on df) and df", {
  data("tt", package = "rsimsum")

  s6 <- simsum(data = tt, estvarname = "diff", se = "se", df = "df", true = -1)
  s7 <- simsum(
    data = tt,
    estvarname = "diff",
    se = "se",
    ci.limits = c("conf.low", "conf.high"),
    true = -1
  )
  testthat::expect_equal(object = tidy(s6), expected = tidy(s7))

  s6 <- simsum(
    data = tt,
    estvarname = "diff",
    se = "se",
    methodvar = "method",
    df = "df",
    true = -1
  )
  s7 <- simsum(
    data = tt,
    estvarname = "diff",
    se = "se",
    methodvar = "method",
    ci.limits = c("conf.low", "conf.high"),
    true = -1
  )
  testthat::expect_equal(object = tidy(s6), expected = tidy(s7))

  s6 <- simsum(
    data = tt,
    estvarname = "diff",
    se = "se",
    methodvar = "method",
    by = "dgm",
    df = "df",
    true = -1
  )
  s7 <- simsum(
    data = tt,
    estvarname = "diff",
    se = "se",
    methodvar = "method",
    by = "dgm",
    ci.limits = c("conf.low", "conf.high"),
    true = -1
  )
  testthat::expect_equal(object = tidy(s6), expected = tidy(s7))
})