test_that("prettifies", {
expect_equal(pretty_num(1, gbp = TRUE, suffix = " offer"), "£1 offer")
expect_equal(pretty_num(-1), "-1")
expect_equal(pretty_num(-1, prefix = "-"), "--1")
expect_equal(pretty_num(-1, prefix = "+/-"), "-1")
expect_equal(pretty_num(1, prefix = "+/-"), "+1")
expect_equal(pretty_num(12.289009, suffix = "%"), "12.29%")
expect_equal(pretty_num(1000), "1,000")
expect_equal(pretty_num(11^8, gbp = TRUE, dp = -1), "£210 million")
expect_equal(pretty_num(11^9, gbp = TRUE, dp = 3), "£2.358 billion")
expect_equal(pretty_num(-11^8, gbp = TRUE, dp = -1), "-£210 million")
expect_equal(pretty_num(-123421421), "-123.42 million")
expect_equal(
pretty_num(11^8, prefix = "+/-", gbp = TRUE, dp = -1), "+£210 million"
)
})
test_that("handles NAs", {
expect_no_error(pretty_num("x"))
expect_equal(pretty_num("x", ignore_na = TRUE), "x")
expect_equal(pretty_num("x"), as.double(NA))
expect_equal(pretty_num("x", alt_na = "c"), "c")
})
test_that("rejects multiple values", {
expect_error(
pretty_num(c(1:4)),
"value must be a single value, multiple values were detected"
)
})
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