1context("geom_freqpoly") 2 3test_that("can do frequency polygon with categorical x", { 4 df <- data_frame(x = rep(letters[1:3], 3:1)) 5 6 p <- ggplot(df, aes(x)) + geom_freqpoly(stat = "count") 7 d <- layer_data(p) 8 9 expect_s3_class(d$x, "mapped_discrete") 10 expect_equal(d$x, new_mapped_discrete(1:3)) 11 expect_equal(d$y, 3:1) 12}) 13