Nothing
test_that("sdf works", {
sdf <- igraph:::sdf
`[.igraphSDF` <- igraph:::`[.igraphSDF`
`[<-.igraphSDF` <- igraph:::`[<-.igraphSDF`
as.data.frame.igraphSDF <- igraph:::as.data.frame.igraphSDF
sdf <- sdf(id = 1:10, color = "black")
expect_that(
as.data.frame(sdf),
equals(data.frame(id = 1:10, color = "black"))
)
## access
expect_that(sdf[1, "id"], equals(1))
expect_that(sdf[1:4, "id"], equals(1:4))
expect_that(sdf[, "id"], equals(1:10))
expect_that(sdf[1, "color"], equals("black"))
expect_that(sdf[1:4, "color"], equals(rep("black", 4)))
expect_that(sdf[, "color"], equals(rep("black", 10)))
## set
sdf2 <- sdf
sdf2[5, "id"] <- 100
expect_that(
as.data.frame(sdf2),
equals(data.frame(id = c(1:4, 100, 6:10), color = "black"))
)
sdf2 <- sdf
sdf2[, "id"] <- 0
expect_that(
as.data.frame(sdf2),
equals(data.frame(id = rep(0, 10), color = "black"))
)
sdf2 <- sdf
sdf2[2:10, "id"] <- 1
expect_that(
as.data.frame(sdf2),
equals(data.frame(id = rep(1, 10), color = "black"))
)
sdf2 <- sdf
sdf2[, "color"] <- "white"
expect_that(
as.data.frame(sdf2),
equals(data.frame(id = 1:10, color = "white"))
)
sdf2 <- sdf
sdf2[5:6, "color"] <- "white"
expect_that(
as.data.frame(sdf2),
equals(data.frame(id = 1:10, color = c(
rep("black", 4),
rep("white", 2),
rep("black", 4)
)))
)
})
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