Nothing
test_that("only correct inputs are accepted", {
expect_error(data2Wave(c("cat", "dog")))
expect_no_condition(data2Wave(c(1,2,3)))
})
test_that("output is a Wave", {
expect_no_condition(validateIsWave(data2Wave(rep_len(0, 100))))
})
test_that("DC offset removal works", {
# Generate sequence with offset
w <- tuneR::sine(440)
d <- (w@left/max(w@left)) + 1
expect_lt(mean(data2Wave(d, remove.offset = TRUE)@left), 0.001)
expect_lt((mean(data2Wave(d, remove.offset = FALSE, normalise=F)@left-1))^2, 0.001)
})
test_that("Normalisation works", {
# Generate sequence > 1
w <- tuneR::sine(440)
d <- w@left * 2
expect_lte(max(data2Wave(d, unit="1", normalise = TRUE)@left), 1)
expect_gt(max(data2Wave(d, normalise = FALSE)@left), 1)
# Generate sequence < 1
d <- w@left / 2
expect_gte(max(data2Wave(d, unit="1", normalise = TRUE)@left), 0.99)
expect_lte(max(data2Wave(d, normalise = FALSE)@left), 0.5)
})
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