added styles

ts/tests/paragraphStyleTest.ts

@@ -0,0 +1,28 @@
+/// <reference path="../typings/mocha/mocha.d.ts" />
+/// <reference path="../typings/chai/chai.d.ts" />
+import {Style} from "../docx/paragraph/style";
+import {assert} from "chai";
+
+function jsonify(obj: Object) {
+    var stringifiedJson = JSON.stringify(obj);
+    return JSON.parse(stringifiedJson);
+}
+
+describe("Style", () => {
+    var style: Style;
+
+    describe("#constructor()", () => {
+        it("should create a style with given value", () => {
+            style = new Style("test");
+            var newJson = jsonify(style);
+            assert(newJson.pStyle[0]._attrs.val === "test");
+        });
+
+        it("should create a style with blank val", () => {
+            style = new Style("");
+            var newJson = jsonify(style);
+            assert(newJson.pStyle[0]._attrs.val === "");
+        });
+    });
+
+});