context("Bug 154 from Github")
test_that("graph.get.subisomorphisms.vf2() works even if the graph has a vertex attribute named x", {
g <- graph.full(4)
V(g)$x <- 1:4
subs <- graph.get.subisomorphisms.vf2(g, graph.ring(4))
expect_equal(length(subs), 24)
})
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