1context("geom_hex")
2
3test_that("density and value summaries are available", {
4  df <- data_frame(x = c(1, 1, 1, 2), y = c(1, 1, 1, 2))
5  base <- ggplot(df, aes(x, y)) +
6    geom_hex()
7
8  out <- layer_data(base)
9  expect_equal(nrow(out), 2)
10  expect_equal(out$density, c(0.75, 0.25), tolerance = 1e-7)
11  expect_equal(out$count, c(3, 1), tolerance = 1e-7)
12})
13
14test_that("size and linetype are applied", {
15  df <- data_frame(x = c(1, 1, 1, 2), y = c(1, 1, 1, 2))
16  plot <- ggplot(df, aes(x, y)) +
17    geom_hex(color = "red", size = 4, linetype = 2)
18
19  gpar <- layer_grob(plot)[[1]]$children[[1]]$gp
20  expect_equal(gpar$lwd, c(4, 4) * .pt, tolerance = 1e-7)
21  expect_equal(gpar$lty, c(2, 2), tolerance = 1e-7)
22})
23