Nothing
test_that("interactive_canny",
{
skip_on_cran()
iniv <- "0x1+10%+30%" # initial value
expected <- image_canny(img, iniv)
expect_equal(expected, interactive_canny(img))
expect_equal(iniv, interactive_canny(img, return_param = TRUE))
expect_equal(expected, interactive_canny(img, scale = scale1))
})
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