Nothing

```
context("weight2rows")
test_that("Example works", {
# Don't use 2 in y!
DT <- data.table(x = 1:5, y = as.integer(c(1, 1, 1, 1, 3)))
out <- weight2rows(DT, "y")
expect_equal(sum(out[["x"]]), sum(DT[["x"]] * DT[["y"]]))
expect_equal(nrow(out), sum(DT[["y"]]))
})
test_that("Double variable works", {
DT <- data.table(x = 1:10e3, weight = rlnorm(10e3, meanlog = 5))
out <- weight2rows(DT, "weight")
error <- sum(DT[["weight"]]) - sum(floor(DT[["weight"]]))
expect_equal(nrow(out), sum(DT[["weight"]]), tol = error)
})
test_that("Logical variable works with a warning", {
DT <- data.table(x = 1:4, yes = c(TRUE, TRUE, FALSE, FALSE))
out <- suppressWarnings(weight2rows(DT, "yes"))
expect_warning(weight2rows(DT, "yes"))
expect_equal(out[["x"]], 1:2)
})
test_that("Data frame", {
DT <- data.frame(x = 1:5, y = as.integer(c(1, 1, 1, 1, 3)))
out <- weight2rows(DT, "y")
expect_equal(sum(out[["x"]]), sum(DT[["x"]] * DT[["y"]]))
expect_equal(nrow(out), sum(DT[["y"]]))
})
test_that("Error when negative weight", {
expect_error(weight2rows(data.table(x = 1:4, sdgoih = c(-1, 1, 1, 1)), "sdgoih"),
regexp = "`weight.var` contains negative values.",
fixed = TRUE)
})
test_that("Warning when NA weights", {
expect_warning(weight2rows(data.table(x = 1:4, w = c(NA, 100 * runif(3))),
weight.var = "w"),
regexp = "`weight.var` contained NAs. These have been converted to zeroes.",
fixed = TRUE)
})
```

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