File: test-geom-freqpoly.R

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r-cran-ggplot2 3.3.3%2Bdfsg-1
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context("geom_freqpoly")

test_that("can do frequency polygon with categorical x", {
  df <- data_frame(x = rep(letters[1:3], 3:1))

  p <- ggplot(df, aes(x)) + geom_freqpoly(stat = "count")
  d <- layer_data(p)

  expect_s3_class(d$x, "mapped_discrete")
  expect_equal(d$x, new_mapped_discrete(1:3))
  expect_equal(d$y, 3:1)
})