tests/testthat/test-wbt_decrement.R

In whitebox: 'WhiteboxTools' R Frontend

context("wbt_decrement")

test_that("Decreases the values of each grid cell in an input raster by 10 (see also InPlaceSubtract)", {

  skip_on_cran()
  skip_if_not(check_whitebox_binary())
  dem <- sample_dem_data(); skip_if(dem == "")
  ret <- wbt_decrement(input = dem, output = "output.tif")
  expect_match(ret, "Elapsed Time")

})