From de057ac505182b7380993d6bb86694ef1f1e1cd2 Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Thu, 13 Apr 2017 11:27:21 +0200
Subject: [PATCH] Add ol.source.Cluster#getDistance function

---
 src/ol/source/cluster.js            | 10 ++++++++++
 test/spec/ol/source/cluster.test.js |  6 +++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/ol/source/cluster.js b/src/ol/source/cluster.js
index 8548baf940..5b58f6f7c8 100644
--- a/src/ol/source/cluster.js
+++ b/src/ol/source/cluster.js
@@ -74,6 +74,16 @@ ol.source.Cluster = function(options) {
 ol.inherits(ol.source.Cluster, ol.source.Vector);
 
 
+/**
+ * Get the distance in pixels between clusters.
+ * @return {number} Distance.
+ * @api
+ */
+ol.source.Cluster.prototype.getDistance = function() {
+  return this.distance_;
+};
+
+
 /**
  * Get a reference to the wrapped source.
  * @return {ol.source.Vector} Source.
diff --git a/test/spec/ol/source/cluster.test.js b/test/spec/ol/source/cluster.test.js
index 528b1aa133..5028c95690 100644
--- a/test/spec/ol/source/cluster.test.js
+++ b/test/spec/ol/source/cluster.test.js
@@ -19,7 +19,7 @@ describe('ol.source.Cluster', function() {
       });
       expect(source).to.be.a(ol.source.Source);
       expect(source).to.be.a(ol.source.Cluster);
-      expect(source.distance_).to.be(20);
+      expect(source.getDistance()).to.be(20);
     });
   });
 
@@ -71,9 +71,9 @@ describe('ol.source.Cluster', function() {
         distance: 100,
         source: new ol.source.Vector()
       });
-      expect(source.distance_).to.be(100);
+      expect(source.getDistance()).to.be(100);
       source.setDistance(10);
-      expect(source.distance_).to.be(10);
+      expect(source.getDistance()).to.be(10);
     });
   });