File: test_neighbors.R

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r-cran-igraph 1.0.1-1%2Bdeb9u1
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context("neighbors")

test_that("neighbors works", {

  library(igraph)

  g <- sample_gnp(100, 20/100)
  al <- as_adj_list(g, mode="all")
  for (i in 1:length(al)) {
    n <- neighbors(g, i, mode="out")
    expect_that(sort(n), is_equivalent_to(al[[i]]))
  }

})