Add tests for vector layer

test/spec/ol/layer/vectorlayer.test.js

@@ -0,0 +1,54 @@
+goog.provide('ol.test.layer.Vector');
+
+describe('ol.layer.Vector', function() {
+
+  describe('constructor', function() {
+    var source = new ol.source.Vector();
+    var style = new ol.style.Style();
+
+    it('creates a new layer', function() {
+      var layer = new ol.layer.Vector({source: source});
+      expect(layer).to.be.a(ol.layer.Vector);
+      expect(layer).to.be.a(ol.layer.Layer);
+    });
+
+    it('accepts a style option with a single style', function() {
+      var layer = new ol.layer.Vector({
+        source: source,
+        style: style
+      });
+
+      var styleFunction = layer.getStyleFunction();
+      expect(styleFunction()).to.eql([style]);
+    });
+
+    it('accepts a style option with an array of styles', function() {
+      var layer = new ol.layer.Vector({
+        source: source,
+        style: [style]
+      });
+
+      var styleFunction = layer.getStyleFunction();
+      expect(styleFunction()).to.eql([style]);
+    });
+
+    it('accepts a style option with a style function', function() {
+      var layer = new ol.layer.Vector({
+        source: source,
+        style: function(feature, resolution) {
+          return [style];
+        }
+      });
+
+      var styleFunction = layer.getStyleFunction();
+      expect(styleFunction()).to.eql([style]);
+    });
+
+  });
+
+});
+
+goog.require('ol.layer.Layer');
+goog.require('ol.layer.Vector');
+goog.require('ol.source.Vector');
+goog.require('ol.style.Style');