context("as_adj_list") test_that("as_adj_list works", { library(igraph) g <- sample_gnp(50, 2/50) al <- as_adj_list(g) g2 <- graph_from_adj_list(al, mode="all") expect_true(graph.isomorphic(g, g2)) expect_true(graph.isomorphic.vf2(g, g2, vertex.color1=1:vcount(g), vertex.color2=1:vcount(g2))$iso) #### el <- as_adj_edge_list(g) for (i in 1:vcount(g)) { a <- E(g)[.inc(i)] expect_that(length(a), is_equivalent_to(length(el[[i]]))) expect_that(sort(el[[i]]), is_equivalent_to(sort(a))) } g <- sample_gnp(50, 4/50, directed=TRUE) el1 <- as_adj_edge_list(g, mode="out") el2 <- as_adj_edge_list(g, mode="in") for (i in 1:vcount(g)) { a <- E(g)[.from(i)] expect_that(length(a), is_equivalent_to(length(el1[[i]]))) expect_that(sort(el1[[i]]), is_equivalent_to(sort(a))) } for (i in 1:vcount(g)) { a <- E(g)[.to(i)] expect_that(length(a), is_equivalent_to(length(el2[[i]]))) expect_that(sort(el2[[i]]), is_equivalent_to(sort(a))) } })
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