Nothing
test_that("subset-assign filearray-proxy", {
# normal indexing
x0 <- array(1:120, dim = c(10,12))
dimnames(x0) <- list(A = 1:10, B = 1:12)
x <- as_filearray(x0)
y <- x + 1L
y[,1] <- rep(0, 10)
y[1,] <- rep(0, 12)
z <- y + y
idx1 <- c(3,4,5,2,1)
idx2 <- idx1 * 2
expect_equal(x[idx1, idx2], x0[idx1, idx2])
expect_equal(y[1,1:12, dimnames = NULL], rep(0L, 12))
expect_equal(y[1:10,1, dimnames = NULL], rep(0L, 10))
expect_equal(y[2:10,2:10], x0[2:10,2:10] + 1L)
expect_equal(z[, idx2], 2 * y[, idx2])
expect_equal(y[2:10, 2:12], x[2:10, 2:12] + 1)
expect_equal(z[], 2 * y[])
clear_cache()
# Array indexing
idx1 <- c(3,4,5,2,1)
idx2 <- idx1 * 2
i <- array(FALSE, dim(x))
i[idx1, idx2] <- TRUE
j <- as_filearray(i)
expect_equal(typeof(j), "logical")
x0 <- array(1:120, dim = c(10,12))
dimnames(x0) <- list(A = 1:10, B = 1:12)
x <- as_filearray(x0)
y <- x + 1L
y[j,lazy = TRUE] <- 0
z <- y + y
z[j, lazy = TRUE] <- 1
expect_equal(y$.filebase, x$.filebase)
expect_equal(z$.filebase, x$.filebase)
# mature z
expect_equal(z[j], rep(1, sum(j)))
expect_equal(y[j], rep(0, sum(j)))
expect_equal(x[!i], x0[!i])
expect_equal(y[!i], x[!i] + 1L)
expect_equal(z[!i], y[!i] * 2)
expect_equal(x[!j], x0[!i])
expect_equal(y[!j], x[!i] + 1L)
expect_equal(z[!j], y[!i] * 2)
clear_cache()
})
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