Nothing
test_that("str_length is number of characters", {
expect_equal(str_length("a"), 1)
expect_equal(str_length("ab"), 2)
expect_equal(str_length("abc"), 3)
})
test_that("str_length of missing string is missing", {
expect_equal(str_length(NA), NA_integer_)
expect_equal(str_length(c(NA, 1)), c(NA, 1))
expect_equal(str_length("NA"), 2)
})
test_that("str_length of factor is length of level", {
expect_equal(str_length(factor("a")), 1)
expect_equal(str_length(factor("ab")), 2)
expect_equal(str_length(factor("abc")), 3)
})
test_that("str_width returns display width", {
x <- c("\u0308", "x", "\U0001f60a")
expect_equal(str_width(x), c(0, 1, 2))
})
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