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test_that("geom_text() checks input", {
expect_snapshot_error(geom_text(position = "jitter", nudge_x = 0.5))
})
# compute_just ------------------------------------------------------------
test_that("vertical and horizontal positions are equivalent", {
horiz <- compute_just(c("left", "middle", "right"), c(0, 0, 0))
vert <- compute_just(c("bottom", "center", "top"), c(0, 0, 0))
expect_equal(horiz, vert)
})
test_that("inward moves text towards center", {
expect_equal(
compute_just(c("inward", "inward", "inward"), c(0, 0.5, 1)),
c(0, 0.5, 1.0)
)
})
test_that("outward moves text away from center", {
expect_equal(
compute_just(c("outward", "outward", "outward"), c(0, 0.5, 1)),
c(1.0, 0.5, 0)
)
})
test_that("inward points close to center are centered", {
expect_equal(
compute_just(c("inward", "inward", "inward"), c(0.5 - 1e-3, 0.5, 0.5 + 1e-3)),
c(0.5, 0.5, 0.5)
)
})
test_that("inward moves text towards center at 90 degrees", {
expect_equal(
compute_just(c("inward", "inward", "inward"),
c(0, 0.5, 1),
c(0, 0.5, 1),
c(90, 90, 90)),
c(0, 0.5, 1.0)
)
})
test_that("outward moves text away from center at 90 degrees", {
expect_equal(
compute_just(c("outward", "outward", "outward"),
c(0, 0, 0),
c(0, 0.5, 1),
c(90, 90, 90)),
c(1.0, 0.5, 0)
)
})
test_that("only inward and outward respond to angle", {
expect_equal(
compute_just(c("inward", "left", "outward"),
c(0, 0, 0),
c(0, 0.5, 1),
c(90, 90, 90)),
c(0.0, 0.0, 0.0)
)
})
test_that("inward moves text towards center at 150 degrees", {
expect_equal(
compute_just(c("inward", "inward", "inward"),
c(0, 0.5, 1),
c(0, 0.5, 1),
c(150, 150, 150)),
c(1.0, 0.5, 0.0)
)
})
test_that("inward moves text towards center at -90 degrees", {
expect_equal(
compute_just(c("inward", "inward", "inward"),
c(0, 0.5, 1),
c(0, 0.5, 1),
c(-90, -90, -90)),
c(1.0, 0.5, 0.0)
)
})
test_that("outward moves text away from center at 450 degrees", {
expect_equal(
compute_just(c("inward", "inward", "inward"),
c(0, 0, 0),
c(0, 0.5, 1),
c(450, 450, 450)),
c(0.0, 0.5, 1.0)
)
})
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