1 files changed, 33 insertions, 1 deletions
diff --git a/platform/darwin/test/MGLDocumentationExampleTests.swift b/platform/darwin/test/MGLDocumentationExampleTests.swift
index 9fbb0cc329..7d6bdbed54 100644
--- a/platform/darwin/test/MGLDocumentationExampleTests.swift
+++ b/platform/darwin/test/MGLDocumentationExampleTests.swift
@@ -554,7 +554,39 @@ class MGLDocumentationExampleTests: XCTestCase, MGLMapViewDelegate {
         
         XCTAssertNotNil(attributedExpression)
     }
-    
+
+    func testMGLShapeSourceOptionClusterProperties() {
+        //#-example-code
+        let firstExpression = NSExpression(format: "sum:({$featureAccumulated, sumValue})")
+        let secondExpression = NSExpression(forKeyPath: "magnitude")
+        let clusterPropertiesDictionary = ["sumValue" : [firstExpression, secondExpression]]
+
+        let options : [MGLShapeSourceOption : Any] = [.clustered : true,
+                                                   .clusterProperties: clusterPropertiesDictionary]
+        //#-end-example-code
+        let geoJSON: [String: Any] = [
+            "type" : "Feature",
+            "geometry" : [
+                "coordinates" : [
+                    -77.00896639534831,
+                    38.87031006108791,
+                    0.0
+                ],
+                "type" : "Point"
+            ],
+            "properties" : [
+                "cluster" : true,
+                "cluster_id" : 123,
+                "point_count" : 4567,
+            ]
+        ]
+
+        let clusterShapeData = try! JSONSerialization.data(withJSONObject: geoJSON, options: [])
+        let shape = try! MGLShape(data: clusterShapeData, encoding: String.Encoding.utf8.rawValue)
+        let source = MGLShapeSource(identifier: "source", shape: shape, options: options)
+        mapView.style?.addSource(source)
+
+    }
     // For testMGLMapView().
     func myCustomFunction() {}
 }