tests/testthat/test-ym_diff.R

testthat::test_that("ym_diff works", {
  testthat::expect_equal(yyyymm::ym_diff(ym = 200902, ym2 = 200901), 1)
})

testthat::test_that("ym_diff fails", {
  testthat::expect_error(yyyymm::ym_diff(ym = 200100, ym2 = 200901))
})
jbkunst/yyyymm documentation built on June 9, 2022, 7:40 p.m.