test_that("Piecemeal reset deletes results", {
  outdir <- tempfile("piecemeal_test_")
  sim <- piecemeal::init(outdir)
  sim$factorial(a = 1:2)$nrep(1)
  sim$worker(function(a, .seed) a + .seed)
  sim$run()
  expect_true(length(list.files(outdir, recursive = TRUE)) > 0)
  sim$reset(confirm = FALSE)
  expect_false(dir.exists(outdir))
})