test_that("use", {
expect_silent(check_superpops(superpops = "some_file"))
expect_silent(check_superpops("some_file.csv"))
expect_silent(check_superpops(""))
expect_error(check_superpops(superpops = "some file"))
expect_error(check_superpops(1))
expect_error(check_superpops(c(1, 1)))
expect_error(check_superpops(0))
expect_error(check_superpops(-1))
expect_error(check_superpops(c()))
expect_error(check_superpops(NA))
expect_error(check_superpops(NULL))
expect_error(check_superpops(Inf))
expect_error(check_superpops(42))
expect_error(check_superpops(3.14))
})
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