Nothing
library(concaveman)
library(sf)
data(points)
context("main tests")
test_that("input and output formats works correctly", {
expect_is(concaveman(sf::st_coordinates(points)), "matrix")
expect_s3_class(concaveman(points), "sf")
# input from classes that don't inherit from matrix, sf or SpatialPoints should throw an error
expect_error(concaveman(array()))
})
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