Nothing
test_that("weighted graph_from_adjacency_matrix works on integer matrices", {
data <- matrix(c(0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 0, 0), 4)
g <- graph_from_adjacency_matrix(data, weighted = TRUE)
expect_that(as.matrix(g[]), is_equivalent_to(data))
})
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