Nothing
context("getVolumeUD")
test_that("volume ud on .UD", {
ud <- new(".UD", raster(matrix(1:100 / sum(1:100))))
expect_s4_class((v <- getVolumeUD(ud)), "RasterLayer")
expect_lte(max(values(v)), 1)
expect_gte(max(values(v)), 0)
expect_true(length(unique(values(
getVolumeUD(new(".UD", raster(
matrix(rep(1, 100) / sum(100))
)))
))) == 1)
expect_silent(r <- getVolumeUD(u <- new(".UD", raster(matrix(
c(.95, .012, .011, .01, .009, .008)
)))))
expect_equal(values(r) < .95, c(T, F, F, F, F, F))
})
test_that("volume ud on .UDStack", {
ud1 <- new(".UD", raster(matrix(1:100 / sum(1:100))))
ud2 <- new(".UD", raster(matrix(100:1 / sum(1:100))))
s <- UDStack(list(ud1, ud2))
expect_equal(stack(getVolumeUD(ud1), getVolumeUD(ud2)), getVolumeUD(s))
})
test_that("ud cant be negative", {
r <- c(-.01, rnorm(99))
r2 <- c(0, rnorm(99))
expect_error(new(".UD", raster(matrix(ncol = 10, r / sum(
r
)))), "The UD cant contain negative values")
expect_error(
new(".UDStack", stack(raster(matrix(
r / sum(r)
)), raster(matrix(
r2 / sum(r2)
)))),
"The UDStack cant contain negative values"
)
})
test_that("randomized ud", {
r <- abs(rnorm(100))
ud <- new(".UD", raster(matrix(ncol = 10, r / sum(r))))
v <- getVolumeUD(ud)
expect_identical(
rank(as.matrix(v)),
rank(-as.matrix(ud))
)
expect_identical(
which.min(as.matrix(v)),
which.max(as.matrix(ud))
)
})
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