Symbolizers with method for creating literals

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

@@ -0,0 +1,51 @@
+goog.provide('ol.test.style.Polygon');
+
+describe('ol.style.Polygon', function() {
+
+  describe('constructor', function() {
+
+    it('accepts literal values', function() {
+      var symbolizer = new ol.style.Polygon({
+        fillStyle: '#BADA55',
+        strokeWidth: 3
+      });
+      expect(symbolizer).toBeA(ol.style.Polygon);
+    });
+
+    it('accepts expressions', function() {
+      var symbolizer = new ol.style.Polygon({
+        opacity: new ol.Expression('value / 100'),
+        fillStyle: ol.Expression('fillAttr')
+      });
+      expect(symbolizer).toBeA(ol.style.Polygon);
+    });
+
+  });
+
+  describe('#createLiteral()', function() {
+
+    it('evaluates expressions with the given feature', function() {
+      var symbolizer = new ol.style.Polygon({
+        opacity: new ol.Expression('value / 100'),
+        fillStyle: new ol.Expression('fillAttr')
+      });
+
+      var feature = new ol.Feature(undefined, {
+        value: 42,
+        fillAttr: '#ff0000'
+      });
+
+      var literal = symbolizer.createLiteral(feature);
+      expect(literal).toBeA(ol.style.LiteralPolygon);
+      expect(literal.opacity).toBe(42 / 100);
+      expect(literal.fillStyle).toBe('#ff0000');
+    });
+
+  });
+
+});
+
+goog.require('ol.Expression');
+goog.require('ol.Feature');
+goog.require('ol.style.Polygon');
+goog.require('ol.style.LiteralPolygon');