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context("Vertex and edge sequence quirks")
test_that("graph is not updated if not in LHS", {
g <- make_(ring(10),
with_vertex_(name = LETTERS[1:10]),
with_edge_(weight = 1:10))
vs <- V(g)[1:5]
vs$name <- letters[1:5]
expect_equal(V(g)$name, LETTERS[1:10])
es <- E(g)
es$weight <- 0
expect_equal(E(g)$weight, 1:10)
})
test_that("graph is updated if in LHS", {
g <- make_(ring(10),
with_vertex_(name = LETTERS[1:10]),
with_edge_(weight = 1:10))
V(g)[1:5]$name <- letters[1:5]
expect_equal(V(g)$name, c(letters[1:5], LETTERS[6:10]))
E(g)[1:5]$weight <- 0
expect_equal(E(g)$weight, c(rep(0, 5), 6:10))
})
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