test_that("Test different type of Mean, SD and Digits", {
  # Test various numeric inputs, digits combination, and bracket types
  # Test when input is `NA`
  expect_equal(" 11.00 ( 5.666)", fmt_est(10.99999, 5.6656, digits = c(2, 3)))

  x <- datasets::iris |>
    dplyr::summarize(mean = mean(Petal.Width), n = dplyr::n(), sd = sd(Petal.Width))

  expect_equal("  1.20 ( 0.762)", fmt_est(x$mean, x$sd, digits = c(2, 3)))
  expect_equal("1.20 (0.762)", fmt_est(x$mean, x$sd, digits = c(2, 3), width = c(1, 2)))
})

test_that("Test different type of Mean, SD and Digits", {
  # Test various numeric inputs, digits combination, and bracket types
  # Test when input is `NA`
  expect_equal(fmt_est(2, 3, digits = c(2, 3)), "  2.00 ( 3.000)")
  expect_equal(fmt_est(22, 3, digits = c(2, 3)), " 22.00 ( 3.000)")
  expect_equal(fmt_est(22, 333, digits = c(2, 3)), " 22.00 (333.000)")
  expect_equal(fmt_est(0, 0, digits = c(2, 3)), "  0.00 ( 0.000)")
  expect_equal(fmt_est(999, 999, digits = c(2, 3)), "999.00 (999.000)")
  expect_equal(fmt_est(9999, 9999, digits = c(2, 3)), "9999.00 (9999.000)")
})