tests/testthat/test_luma.r

In ilgan/rgb2yuv:

context("Images output")
# Hard to write w/o relying on the external packages to read files.
# I will figure it out later.

test_that("At least numeric values work.", {
	expect_identical(rgb2luma(), FALSE)
	expect_identical(rgb2chroma1(), FALSE)
	expect_identical(rgb2chroma2(), FALSE)
	expect_identical(rgb2grey(), FALSE)
})