R Under development (unstable) (2024-05-08 r86528 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(regional)
> library(terra)
terra 1.7.71

Attaching package: 'terra'

The following objects are masked from 'package:testthat':

    compare, describe

> if (requireNamespace("sf", quietly = TRUE)) {
+   library(sf)
+   volcano = rast(system.file("raster/volcano.tif", package = "regional"))
+   vr = read_sf(system.file("regions/volcano_regions.gpkg", package = "regional"))
+ 
+   ortho = rast(system.file("raster/ortho.tif", package = "supercells"))
+   vo = supercells::supercells(ortho, k = 1000, compactness = 1)
+ 
+   test_check("regional")
+ }
Linking to GEOS 3.12.1, GDAL 3.8.4, PROJ 9.3.1; sf_use_s2() is TRUE
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 6 ]
> 
> proc.time()
   user  system elapsed 
   5.01    0.40    6.28