context("Bug 1019624 from Launchpad")
test_that("weighted graph_from_adjacency_matrix works on integer matrices", {
library(igraph)
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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