rxTest({
  # Removing dll
  skip_on_os("windows")
  ode <- rxode2({
    b <- -1
    d / dt(X) <- a * X + Y * Z
    d / dt(Y) <- b * (Y - Z)
    d / dt(Z) <- -X * Y + c * Y - Z
  })

  dll <- rxDll(ode)

  test_that("dll exists", {
    expect_true(file.exists(dll))
    expect_true(file.exists(gsub("[.][^.]*$", ".c", dll)))
  })

  ode$delete()

  test_that("dll is removed", {
    expect_false(file.exists(dll))
    expect_false(file.exists(gsub("[.][^.]*$", ".c", dll)))
  })

  ode$load()

  test_that("dll exists #2", {
    expect_true(file.exists(dll))
    expect_true(file.exists(gsub("[.][^.]*$", ".c", dll)))
  })
})