context("count_trailing_spaces")
test_that("use", {
expect_equal(count_trailing_spaces("x"), 0)
expect_equal(count_trailing_spaces(" y"), 1)
expect_equal(count_trailing_spaces(" <"), 2)
expect_equal(count_trailing_spaces(""), 0)
expect_equal(count_trailing_spaces(" "), 1)
expect_equal(count_trailing_spaces(" "), 2)
})
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