context("misc")

test_that("is.na10", {
  tf <- rep(c(NA, FALSE), length.out = 10)
  expect_equal(is.na10(tf), as.integer(is.na(tf)))
})

test_that("normalize", {
  a <- seq(0, 1, by = 0.01)
  expect_equal(normalize(a), a)
  b <- 1:1000000
  expect_true(all(normalize(b) <= 1) && all(normalize(b) >= 0))

  d <- data.frame(a = a[1:101], b = b[1:101], c = "c")
  dn <- normalize(d)
  expect_equal(normalize(d[, 1:2]), normalize(as.matrix(d[, 1:2])))
  expect_equal(dn[, 1], a)
  expect_true(all(dn[[3]] == "c"))
})

test_that("percentize", {
  a <- seq(0, 1, by = 0.01)
  expect_equal(percentize(a), unname(unlist(percentize(data.frame(a)))))
})