s <- createMassSpectrum(mass=1:10, intensity=11:20)

test_that("trim throws errors", {
  expect_error(trim(s, range=1:10), "has to be a vector of length 2")
  expect_error(trim(s, range=1), "has to be a vector of length 2")
  expect_error(trim(c(s, createMassSpectrum(mass=21:30, intensity=1:10))),
               "No overlap")

test_that("trim throws warnings", {
  expect_warning(trim(s, range=c(20, 30)), "No data points left")

test_that("trim", {
  expect_equal(trim(s, c(2, 9)),
         createMassSpectrum(mass=2:9, intensity=12:19))

test_that("trim,list throws errors", {
  expect_error(trim(list(x=1, y=2)),
               "no list of MALDIquant::AbstractMassObject objects")

test_that("trim works with list of AbstractMassObject objects", {
  r <- createMassSpectrum(mass=2:9, intensity=12:19)
  expect_equal(trim(list(s, s), c(2, 9)), list(r, r))
  expect_equal(trim(list(s, r)), list(r, r))

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MALDIquant documentation built on May 29, 2024, 6:11 a.m.