test(): caching

Author: ShaMan123

test/intersect.spec.js

@@ -21,6 +21,22 @@ describe('path-intersection', function() {
       expect(intersections).to.have.length(1);
     });
 
+    it('should cache paths to boost performance', function() {
+
+      const p1 = [ [ 'M', 0, 0 ], [ 'L', 200, 200 ] ];
+      const p2 = 'M0,200L200,0';
+
+      // when
+      performance.mark('a')
+      intersect(p1, p2);
+      const { duration: a } = performance.measure('not cached', 'a');
+      performance.mark('b')
+      intersect(p1, p2);
+      const { duration: b } = performance.measure('cached', 'b');
+      // then
+      expect(b).to.lessThanOrEqual(a)
+    });
+
     it('parsePathCurve', function() {
 
       // when