tests/testthat/test-is_formula.R

context("is_formula")

test_that("'is_formula' does the job", {
  expect_true(!is_formula(4) &&
                is_formula(~ x + y) && 
                is_formula(z ~ x + y))
})
paulponcet/bazar documentation built on July 15, 2019, 5:28 a.m.