From 613d083e461a2be2be55fbf805f3b254eeff27a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20Kr=C3=B6g?= <maxi_kroeg@web.de>
Date: Wed, 2 Feb 2022 21:57:29 +0100
Subject: [PATCH] Test points layer ready state

---
 .../spec/ol/renderer/webgl/PointsLayer.test.js   | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/browser/spec/ol/renderer/webgl/PointsLayer.test.js b/test/browser/spec/ol/renderer/webgl/PointsLayer.test.js
index e4901289eb..4090d0b8cf 100644
--- a/test/browser/spec/ol/renderer/webgl/PointsLayer.test.js
+++ b/test/browser/spec/ol/renderer/webgl/PointsLayer.test.js
@@ -747,5 +747,21 @@ describe('ol/renderer/webgl/PointsLayer', function () {
         });
       });
     });
+    it('is not ready until after second rebuildBuffers_ worker calls completed', function (done) {
+      map.renderSync();
+      map.getView().setCenter([10, 10]);
+      map.renderSync();
+      let changed = 0;
+      layer.on('change', function () {
+        try {
+          expect(layer.getRenderer().ready).to.be(++changed > 2);
+          if (changed === 4) {
+            done();
+          }
+        } catch (e) {
+          done(e);
+        }
+      });
+    });
   });
 });