tests(modeling): added test for polygon orientation

jscad · Jan 14, 2024 · f9cb34c · f9cb34c
1 parent 3baab05
commit f9cb34c
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/packages/modeling/src/primitives/polygon.test.js b/packages/modeling/src/primitives/polygon.test.js
@@ -1,6 +1,7 @@
 const test = require('ava')
 
 const geom2 = require('../geometries/geom2')
+const measureArea = require('../measurements/measureArea')
 
 const { polygon } = require('./index')
 
@@ -51,3 +52,12 @@ test('polygon: providing object.points (array) and object.path (array) creates e
   t.notThrows(() => geom2.validate(geometry))
   t.true(comparePoints(obs, exp))
 })
+
+test('polygon: clockwise points', (t) => {
+  const poly = polygon({
+    points: [[-10, -0], [-10, -10], [-15, -5]],
+    orientation: "clockwise",
+  })
+  t.is(poly.sides.length, 3)
+  t.is(measureArea(poly), 25)
+})