crew_test("crew_assert()", {
  expect_silent(crew_assert(TRUE))
  expect_error(crew_assert(FALSE), class = "crew_error")
  expect_silent(crew_assert(c(2, 3), . > 1, . > 0))
  expect_error(crew_assert(2, . < 1), class = "crew_error")
})

crew_test("crew_error()", {
  expect_error(crew_error("x"), class = "crew_error")
})

crew_test("crew_expire()", {
  expect_error(crew_expire("x"), class = "crew_expire")
})

crew_test("crew_message()", {
  expect_message(crew_message("x"), class = "crew_message")
})

crew_test("crew_condition_false", {
  expect_false(
    tryCatch(
      stop("123"),
      error = crew_condition_false
    )
  )
})

crew_test("crew_condition_message", {
  expect_equal(
    tryCatch(
      stop("123"),
      error = crew_condition_message
    ),
    "123"
  )
})

crew_test("crew_deprecate()", {
  expect_warning(
    crew_deprecate(
      name = "auto_scale",
      date = "2023-05-18",
      version = "0.2.0",
      alternative = "use the scale argument of push(), pop(), and wait()"
    ),
    class = "crew_deprecate"
  )
})