Nothing
library(hyperdraw)
# Check graph validation
# Edges must be directed
badgnel.1 <- new("graphNEL",
nodes=c("A", "R"),
edgeL=list(
A=list(edges="R"),
R=list(edges="A")))
stopifnot(inherits(try(graphBPH(badgnel.1, "")), "try-error"))
# All edges must be between normal node and edge node
badgnel.2 <- new("graphNEL",
nodes=c("A", "B"),
edgeL=list(
A=list(edges="B"),
B=list(edges="A")),
edgemode="directed")
stopifnot(inherits(try(graphBPH(badgnel.2, "")), "try-error"))
# If it's a Hypergraph, all Hyperedges must be DirectedHyperedges
require(hypergraph)
badhg <- Hypergraph(c("A", "B"), list(Hyperedge(c("A", "B"))))
stopifnot(inherits(try(graphBPH(badhg)), "try-error"))
# Examples in man pages test simple examples that should work
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