context("assertions") test_that("the correct parameter name is used", { test_var <- 1 expect_error(assert_character(test_var), "test_var") expect_error(assert_logical(test_var), "test_var") test_var <- "abcded" expect_error(assert_numeric(test_var), "test_var") test_var <- TRUE expect_error(assert_character_or_numeric(test_var), "test_var") })