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context("isomorphism_class")
test_that("isomorphism_class works", {
library(igraph)
g1 <- graph_from_isomorphism_class(3, 10)
g2 <- graph_from_isomorphism_class(3, 11)
expect_that(isomorphism_class(g1), equals(10))
expect_that(isomorphism_class(g2), equals(11))
g1 <- add_vertices(g1, 3)
expect_that(graph.isoclass.subgraph(g1, 1:3), equals(10))
expect_that(graph.isoclass.subgraph(g1 %du% g2, 1:3), equals(10))
expect_that(graph.isoclass.subgraph(g1 %du% g2, 7:9), equals(11))
})
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