Added cloning of image element, color cloning

test/spec/ol/style/style.test.js

@@ -0,0 +1,97 @@
+goog.provide('ol.test.style.Style');
+
+goog.require('ol.Feature');
+goog.require('ol.geom.Point');
+goog.require('ol.style.Style');
+
+
+describe('ol.style.Style', function() {
+
+  describe('#setZIndex', function() {
+
+    it('sets the zIndex', function() {
+      var style = new ol.style.Style();
+
+      style.setZIndex(0.7);
+      expect(style.getZIndex()).to.be(0.7);
+    });
+  });
+
+  describe('#setGeometry', function() {
+    var style = new ol.style.Style();
+
+    it('creates a geometry function from a string', function() {
+      var feature = new ol.Feature();
+      feature.set('myGeom', new ol.geom.Point([0, 0]));
+      style.setGeometry('myGeom');
+      expect(style.getGeometryFunction()(feature))
+          .to.eql(feature.get('myGeom'));
+    });
+
+    it('creates a geometry function from a geometry', function() {
+      var geom = new ol.geom.Point([0, 0]);
+      style.setGeometry(geom);
+      expect(style.getGeometryFunction()())
+          .to.eql(geom);
+    });
+
+    it('returns the configured geometry function', function() {
+      var geom = new ol.geom.Point([0, 0]);
+      style.setGeometry(function() {
+        return geom;
+      });
+      expect(style.getGeometryFunction()())
+          .to.eql(geom);
+    });
+  });
+
+  describe('#getGeometry', function() {
+
+    it('returns whatever was passed to setGeometry', function() {
+      var style = new ol.style.Style();
+      style.setGeometry('foo');
+      expect(style.getGeometry()).to.eql('foo');
+      var geom = new ol.geom.Point([1, 2]);
+      style.setGeometry(geom);
+      expect(style.getGeometry()).to.eql(geom);
+      var fn = function() {
+        return geom;
+      };
+      style.setGeometry(fn);
+      expect(style.getGeometry()).to.eql(fn);
+      style.setGeometry(null);
+      expect(style.getGeometry()).to.eql(null);
+    });
+
+  });
+
+});
+
+describe('ol.style.Style.createFunction()', function() {
+  var style = new ol.style.Style();
+
+  it('creates a style function from a single style', function() {
+    var styleFunction = ol.style.Style.createFunction(style);
+    expect(styleFunction()).to.eql([style]);
+  });
+
+  it('creates a style function from an array of styles', function() {
+    var styleFunction = ol.style.Style.createFunction([style]);
+    expect(styleFunction()).to.eql([style]);
+  });
+
+  it('passes through a function', function() {
+    var original = function() {
+      return [style];
+    };
+    var styleFunction = ol.style.Style.createFunction(original);
+    expect(styleFunction).to.be(original);
+  });
+
+  it('throws on (some) unexpected input', function() {
+    expect(function() {
+      ol.style.Style.createFunction({bogus: 'input'});
+    }).to.throwException();
+  });
+
+});