tests/testthat/test-my_pow.R

In hchang23/firstpackage: Package Demo

test_that("multiplication works", {
  expect_equal(2 * 2, 4)
})

# within test-my_pow.R
test_that("my_pow works mathmatically", {
  expect_equal(my_pow(2), 4)
  expect_equal(my_pow(2, power = 3), 8)
})

test_that("non-numeric input throws error", {
  expect_error(my_pow("a string"))
  expect_error(my_pow(2, power = "a string"))
})