context("LonLat2XY") test_that("LonLat2XY example works", { # gc <- geocode('baylor university') gc <- list(lon = -97.11431, lat = 31.54984) ll2xy <- LonLat2XY(gc$lon, gc$lat, 10) expect_equal( ll2xy$X, 235 ) expect_equal( ll2xy$Y, 417 ) expect_true( abs(ll2xy$x - 195.5142) < 0.01 # float math is hard ) expect_true( abs(ll2xy$y - 88.52267) < 0.01 # float math is hard ) })