tests/testthat/test-armaroots.R

In robjhyndman/forecast: Forecasting Functions for Time Series and Linear Models

# A unit test for armaroots.R
test_that("Tests for plot.Arima()", {
  arimafit <- Arima(lynx, c(2, 0, 2), include.mean = FALSE)
  plot(arimafit)
  plot(arimafit, type = "ma")
  plot(arimafit, type = "ar")
  expect_warning(plot(Arima(lynx, c(0, 1, 0))))
})