File: test-plot.R

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r-cran-ggplot2 3.4.1%2Bdfsg-1
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test_that("ggplot() throws informative errors", {
  expect_snapshot_error(ggplot(mapping = letters))
  expect_snapshot_error(ggplot(data))
})

test_that("construction have user friendly errors", {
  expect_snapshot_error(+ geom_point())
  expect_snapshot_error(geom_point() + geom_bar())
  expect_snapshot_error(ggplot() + 1)
  expect_snapshot_error(ggplot() + geom_point)
})