tests/testthat/test-stack.R

test_that("stack returns a long table", {
  out <- stack(data.frame(a = 1:2, b = 3:4))

  expect_s3_class(out, "basetable")
  expect_true(all(c("values", "ind") %in% names(out)))
})

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basetable documentation built on Sept. 18, 2026, 9:13 a.m.