# ------------------------------------------------------------------------------
# hop2_vec
test_that("hop2_vec() works", {
expect_identical(hop2_vec(1L, 1L, 1, 1, ~.x + .y), 2L)
})
test_that("hop2_vec() doesn't retains names of x (#75)", {
expect_named(hop2_vec(c(x = 1L), c(y = 1L), 1, 1, ~.x + .y), NULL)
})
test_that("hop2_vec() can simplify automatically", {
expect_identical(hop2_vec(1, 2, 1, 1, ~.x + .y, .ptype = NULL), 3)
})
test_that("hop2_vec() errors if it can't simplify", {
fn <- function(x, y) if (x == 1L) {1} else {"hi"}
expect_snapshot(error = TRUE, hop2_vec(1:2, 1:2, 1:2, 1:2, fn, .ptype = NULL))
})
# ------------------------------------------------------------------------------
# .ptype
test_that("`.ptype = NULL` validates that element lengths are 1", {
expect_snapshot(error = TRUE, {
hop2_vec(1:2, 1:2, 1:2, 1:2, ~if(.x == 1L) {1:2} else {1}, .ptype = NULL)
})
expect_snapshot(error = TRUE, {
hop2_vec(1:2, 1:2, 1:2, 1:2, ~if(.x == 1L) {NULL} else {2}, .ptype = NULL)
})
})
test_that("`hop2_vec()` falls back to `c()` method as required", {
local_c_foobar()
expect_identical(hop2_vec(1:3, 1:3, 1:3, 1:3, ~foobar(.x), .ptype = foobar(integer())), foobar(1:3))
expect_condition(hop2_vec(1:3, 1:3, 1:3, 1:3, ~foobar(.x), .ptype = foobar(integer())), class = "slider_c_foobar")
expect_identical(hop2_vec(1:3, 1:3, 1:3, 1:3, ~foobar(.x)), foobar(1:3))
expect_condition(hop2_vec(1:3, 1:3, 1:3, 1:3, ~foobar(.x)), class = "slider_c_foobar")
})
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