test_that("time", {
  x <- time_of_day(hour = 1, minute = 2:3, second = c(3.5, 5L))
  expect_equal(vctrs::field(x, "hour"), c(1, 1))
  expect_equal(vctrs::field(x, "minute"), c(2, 3))
  expect_equal(vctrs::field(x, "second"), c(3.5, 5L))
  expect_error(time_of_day(hour = -1, minute = 2, second = 3.5))
  expect_error(time_of_day(hour = 25, minute = 2, second = 3.5))
  expect_error(time_of_day(hour = 1, minute = -1, second = 3.5))
  expect_error(time_of_day(hour = 1, minute = 60, second = 3.5))
  expect_error(time_of_day(hour = 1, minute = 2, second = -1))
})