test_that("atLeastOneRowIn() works", {
expect_true(atLeastOneRowIn(data.frame(a = 1)))
expect_true(atLeastOneRowIn(matrix(1)))
expect_false(atLeastOneRowIn(data.frame(a = character())))
})
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.