Nothing
context("frequencyStats")
test_that("inputs are correct", {
expect_error(frequencyStats("string"), "frequencyStats expects a Wave object")
expect_error(frequencyStats(1), "frequencyStats expects a Wave object")
})
test_that("plotting is ok", {
data(sheep, package="seewave")
expect_silent(frequencyStats(sheep, plot=TRUE))
})
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