diff --git a/ts/tests/paragraphTest.ts b/ts/tests/paragraphTest.ts
index 2881e28c7c..e9cc196902 100644
--- a/ts/tests/paragraphTest.ts
+++ b/ts/tests/paragraphTest.ts
@@ -28,6 +28,13 @@ describe("Paragraph", () => {
             }
             assert.isTrue(true);
         });
+
+        it("should create have valid properties", () => {
+            var stringifiedJson = JSON.stringify(paragraph);
+            var newJson = JSON.parse(stringifiedJson);
+
+            assert.equal(newJson.root[1].root[0].rootKey, "w:pPr");
+        });
     });
 
     describe("#heading1()", () => {
diff --git a/ts/tests/stylesTest.ts b/ts/tests/stylesTest.ts
new file mode 100644
index 0000000000..de37b71073
--- /dev/null
+++ b/ts/tests/stylesTest.ts
@@ -0,0 +1,22 @@
+/// <reference path="../typings/mocha/mocha.d.ts" />
+/// <reference path="../typings/chai/chai.d.ts" />
+import {Styles} from "../styles";
+import {assert} from "chai";
+
+describe("Styles", () => {
+    var styles: Styles;
+
+    beforeEach(() => {
+        styles = new Styles();
+    });
+
+    describe('#constructor()', () => {
+
+        it("should not add val with empty constructor", () => {
+            var newAttrs = new Styles();
+            var stringifiedJson = JSON.stringify(newAttrs);
+            var newJson = JSON.parse(stringifiedJson);
+            assert.isUndefined(newJson.root.val);
+        });
+    });
+});
\ No newline at end of file