test_that("union_closed works", {
l <- list(A = "1",
B = c("1", "2"),
C = c("2", "3", "4"),
D = c("1", "2", "3", "4")
)
TS <- tidySet(l)
expect_true(union_closed(TS))
expect_false(union_closed(TS, sets = c("A", "C")))
expect_false(union_closed(TS, sets = c("A", "B", "C")))
expect_true(union_closed(TS, sets = c("A", "B", "C", "D")))
})
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.