context("between")
test_that("returns NA if any argument is NA", {
expect_equal(between(1, 1, NA), NA)
expect_equal(between(1, NA, 1), NA)
expect_equal(between(NA, 1, 1), NA)
})
test_that("compatible with base R", {
x <- runif(1e3)
expect_equal(between(x, 0.25, 0.5), x >= 0.25 & x <= 0.5)
})
test_that("warns when called on S3 object", {
expect_warning(between(factor(1:5), 1, 3), "numeric vector with S3 class")
})
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