tests/testthat/test-input_checkers_arma_spec.R

In fEGarch: SM/LM EGARCH & GARCH, VaR/ES Backtesting & Dual LM Extensions

test_that("ARMA / FARIMA orders are correctly specified", {
  expect_false(order_checker_arma(c(1, 1)))
  expect_false(order_checker_arma(c(2, 1)))
  expect_false(order_checker_arma(c(1, 2)))
  expect_false(order_checker_arma(c(0, 0)))
  expect_false(order_checker_arma(c(0, 1)))
  expect_false(order_checker_arma(c(1, 0)))
  expect_false(!order_checker_arma(c(1)))
  expect_false(!order_checker_arma(c(1, 0, 1)))
  expect_false(!order_checker_arma(numeric(0)))
})