Nothing
test_that("wk_handle.wk_crc() works", {
expect_identical(
wk_handle(crc(1, 2, 3), wkt_writer(precision = 2), n_segments = 4),
wkt("POLYGON ((4 2, 1 5, -2 2, 1 -1, 4 2))")
)
crc_wkb <- wk_handle(crc(1, 2, 3), wkb_writer(), n_segments = 50L)
# endian + type + size + ring size + 51 coords
expect_length(unclass(crc_wkb)[[1]], 1 + 4 + 4 + 4 + 51 * 8 * 2)
# check vectorization of n_segments
crc_wkb2 <- wk_handle(crc(1:5, 2, 3), wkb_writer(), n_segments = 50:54)
crc_wkb2_lengths <- vapply(unclass(crc_wkb2), length, integer(1))
expect_equal(crc_wkb2_lengths, 1 + 4 + 4 + 4 + ((51:55) * 8 * 2))
# check emptiness of NA circle
expect_identical(as_wkt(crc(NA, NA, NA)), wkt("POLYGON EMPTY"))
# check options for circle resolution
prev_opt <- options(wk.crc_n_segments = 4)
expect_identical(
wk_handle(crc(1, 2, 3), wkt_writer(precision = 2)),
wkt("POLYGON ((4 2, 1 5, -2 2, 1 -1, 4 2))")
)
options(prev_opt)
prev_opt <- options(wk.crc_resolution = 100)
expect_identical(
wk_handle(crc(1, 2, 3), wkt_writer(precision = 2)),
wkt("POLYGON ((4 2, 1 5, -2 2, 1 -1, 4 2))")
)
options(prev_opt)
# check invalid options
expect_identical(
wk_handle(crc(1, 2, 3), wkt_writer(), n_segments = 0),
wk_handle(crc(1, 2, 3), wkt_writer(), n_segments = 4)
)
expect_identical(
wk_handle(crc(1, 2, 3), wkt_writer(), n_segments = NA),
wk_handle(crc(1, 2, 3), wkt_writer(), n_segments = 4)
)
expect_error(wk_handle(crc(1, 2, 3), wkt_writer(), n_segments = double()), "must be length 1")
# check invalid data
expect_error(wk_handle.wk_crc("not a crc", wk_void_handler()), "does not inherit from")
})
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