From 6bada6ab984dc24b38efe28665147fd264af9ab7 Mon Sep 17 00:00:00 2001
From: Greg Gianforcaro <greggian@gmail.com>
Date: Sat, 23 Nov 2019 16:11:27 -0500
Subject: [PATCH] Add test modifying circle with snap enabled

---
 test/spec/ol/interaction/modify.test.js | 40 +++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/test/spec/ol/interaction/modify.test.js b/test/spec/ol/interaction/modify.test.js
index ed51f51ec5..7deae8d5d7 100644
--- a/test/spec/ol/interaction/modify.test.js
+++ b/test/spec/ol/interaction/modify.test.js
@@ -9,6 +9,7 @@ import LineString from '../../../../src/ol/geom/LineString.js';
 import Point from '../../../../src/ol/geom/Point.js';
 import Polygon from '../../../../src/ol/geom/Polygon.js';
 import Modify, {ModifyEvent} from '../../../../src/ol/interaction/Modify.js';
+import Snap from '../../../../src/ol/interaction/Snap.js';
 import VectorLayer from '../../../../src/ol/layer/Vector.js';
 import VectorSource from '../../../../src/ol/source/Vector.js';
 import Event from '../../../../src/ol/events/Event.js';
@@ -737,4 +738,43 @@ describe('ol.interaction.Modify', function() {
     });
   });
 
+  describe('circle modification with snap', function() {
+    it('changes the circle radius and center', function() {
+      const circleFeature = new Feature(new Circle([10, 10], 20));
+      features.length = 0;
+      features.push(circleFeature);
+
+      const modify = new Modify({
+        features: new Collection(features)
+      });
+      map.addInteraction(modify);
+
+      const snap = new Snap({
+        features: new Collection(features),
+        pixelTolerance: 1
+      });
+      map.addInteraction(snap);
+
+      // Change center
+      simulateEvent('pointermove', 10, -10, null, 0);
+      simulateEvent('pointerdown', 10, -10, null, 0);
+      simulateEvent('pointermove', 5, -5, null, 0);
+      simulateEvent('pointerdrag', 5, -5, null, 0);
+      simulateEvent('pointerup', 5, -5, null, 0);
+
+      expect(circleFeature.getGeometry().getRadius()).to.equal(20);
+      expect(circleFeature.getGeometry().getCenter()).to.eql([5, 5]);
+
+      // Increase radius
+      simulateEvent('pointermove', 25, -4, null, 0);
+      simulateEvent('pointerdown', 25, -4, null, 0);
+      simulateEvent('pointermove', 30, -5, null, 0);
+      simulateEvent('pointerdrag', 30, -5, null, 0);
+      simulateEvent('pointerup', 30, -5, null, 0);
+
+      expect(circleFeature.getGeometry().getRadius()).to.equal(25);
+      expect(circleFeature.getGeometry().getCenter()).to.eql([5, 5]);
+    });
+  });
+
 });