diff --git a/test/spec/ol/extent.test.js b/test/spec/ol/extent.test.js
index ef5329ecd2..7e5b9e9b22 100644
--- a/test/spec/ol/extent.test.js
+++ b/test/spec/ol/extent.test.js
@@ -3,17 +3,43 @@ goog.require('ol.Projection');
 
 describe('ol.Extent', function() {
 
-  describe('clone', function() {
+  describe('contains', function() {
 
-    it('does clone', function() {
-      var extent = new ol.Extent(1, 2, 3, 4);
-      var clonedExtent = extent.clone();
-      expect(clonedExtent).toBeA(ol.Extent);
-      expect(clonedExtent).not.toBe(extent);
-      expect(clonedExtent.minX).toEqual(extent.minX);
-      expect(clonedExtent.minY).toEqual(extent.minY);
-      expect(clonedExtent.maxX).toEqual(extent.maxX);
-      expect(clonedExtent.maxY).toEqual(extent.maxY);
+    describe('positive', function() {
+      it('returns true', function() {
+        var extent = new ol.Extent(1, 2, 3, 4);
+        expect(extent.contains(new ol.Coordinate(1, 2))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(1, 3))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(1, 4))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(2, 2))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(2, 3))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(2, 4))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(3, 2))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(3, 3))).toBeTruthy();
+        expect(extent.contains(new ol.Coordinate(3, 4))).toBeTruthy();
+      });
+    });
+
+    describe('negative', function() {
+      it('returns false', function() {
+        var extent = new ol.Extent(1, 2, 3, 4);
+        expect(extent.contains(new ol.Coordinate(0, 1))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(0, 2))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(0, 3))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(0, 4))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(0, 5))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(1, 1))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(1, 5))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(2, 1))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(2, 5))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(3, 1))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(3, 5))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(4, 1))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(4, 2))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(4, 3))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(4, 4))).toBeFalsy();
+        expect(extent.contains(new ol.Coordinate(4, 5))).toBeFalsy();
+      });
     });
   });