Nothing
test_that("can create graphs when igraph is not attached", {
g <- callr::r(function() { igraph::make_ring(3, directed = TRUE) })
g2 <- make_ring(3, directed = TRUE)
expect_identical(
unclass(g)[-igraph_t_idx_env],
unclass(g2)[-igraph_t_idx_env]
)
})
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