context("missing")
test_that("is.na detects nulls", {
x <- blob(as.raw(1), NULL, as.raw(2), NULL)
expect_equal(is.na(x), c(FALSE, TRUE, FALSE, TRUE))
})
test_that("is.na<- sets missing values", {
x <- blob(!!!as.raw(1:4))
is.na(x) <- (1:4 %% 2 == 0)
expect_equal(x, blob(as.raw(1), NULL, as.raw(3), NULL))
})
test_that("is.na<- auto-expansion for logical indexes", {
x <- blob(!!!as.raw(1:4))
expect_error(is.na(x) <- rep(TRUE, 5))
})
test_that("is.na<- auto-expansion for character indices", {
x <- blob(!!!as.raw(1:4))
expect_error(is.na(x) <- letters[1:2])
})
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