Nothing
library(pystr)
context("pystr_islower")
test_that("it returns false if there's capitals", {
expect_false(pystr_islower("abC"))
})
test_that("it returns true if there's no capitals", {
expect_true(pystr_islower("abc"))
})
test_that("the presence of punctuation and numerics doesn't matter", {
expect_true(pystr_islower("abc123!"))
})
test_that("it returns false if there are no cased characters", {
expect_false(pystr_islower("?!."))
})
test_that("it handles vectors", {
expect_equal(pystr_islower(c("?!.", "abc")), c(FALSE, TRUE))
})
test_that("it handles NAs", {
expect_equal(pystr_islower(c("?!.", "abc", NA)), c(FALSE, TRUE, NA))
})
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