Nothing
a <- maxample("animal")
test_that("mcalc works", {
a2 <- setItems(2 * a[, , "rabbit"], dim = 3.2, "rabbit2")
expect_identical(mcalc(a, `rabbit2` ~ 2 * rabbit), a2)
expect_true(all(mcalc(a, `GLO` ~ 0.5 * NLD - 1 / 2 * NLD) == 0))
expect_error(mcalc(a, `BLUB` ~ 10 * NOTanElement), "no match")
getItems(a, dim = 3.1) <- "NLD"
expect_error(mcalc(a, `BLUB` ~ 10 * NLD), "multiple matches")
expect_silent(mcalc(a, `dog2` ~ 2 * dog, append = TRUE))
expect_identical(a[, , "dog2"], mcalc(a, `dog2` ~ 2 * dog))
})
test_that("calculations work", {
p <- maxample("pop")
p1 <- setItems(p[, , 1], dim = 3, NULL)
p0 <- p1[, , -1]
expect_identical(p0, p1 * p0)
expect_identical(p0, p0 * p1)
})
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