Add longitude tests #758 @turf/hex-grid

Turfjs · May 28, 2017 · b708a1f · b708a1f
1 parent e3ff6bf
commit b708a1f
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diff --git a/packages/turf-hex-grid/package.json b/packages/turf-hex-grid/package.json
@@ -39,6 +39,7 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
+    "@turf/meta": "^4.3.0",
     "@turf/truncate": "^4.3.0",
     "benchmark": "^2.1.4",
     "load-json-file": "^2.0.0",

diff --git a/packages/turf-hex-grid/test.js b/packages/turf-hex-grid/test.js
@@ -3,6 +3,7 @@ const path = require('path');
 const load = require('load-json-file');
 const write = require('write-json-file');
 const truncate = require('@turf/truncate');
+const {coordEach} = require('@turf/meta');
 const grid = require('./');
 
 const directories = {
@@ -68,3 +69,20 @@ test('hex-tri-grid', t => {
 
     t.end();
 });
+
+test('longitude (13141439571036224) issue #758', t => {
+    const bbox = [-179, -90, 179, 90];
+    const cellSize = 1;
+    const units = 'kilometers';
+    const hexgrid = grid(bbox, cellSize, units);
+    let fail;
+    coordEach(hexgrid, ([lng, lat]) => {
+        if (!fail) {
+            if (lng > 1000 || lng < -1000) {
+                t.fail(`longitude is +- 1000 [${lng},${lat}]`);
+                fail = true;
+            }
+        }
+    });
+    t.end();
+});