added italics and underline

ts/docx/run/index.ts

@@ -1,6 +1,6 @@
 import {XmlComponent, Attributes} from "../xml-components";
 import {RunProperties} from "./properties";
-import {Bold} from "./emphasis";
+import {Bold, Italics, Underline} from "./emphasis";
 
 export class Run implements XmlComponent {
     protected r: Array<XmlComponent>;
@@ -11,9 +11,19 @@ export class Run implements XmlComponent {
         this.properties = new RunProperties();
         this.r.push(this.properties);
     }
-    
+
     bold(): Run {
         this.properties.push(new Bold());
         return this;
     }
+
+    italics(): Run {
+        this.properties.push(new Italics());
+        return this;
+    }
+
+    underline(): Run {
+        this.properties.push(new Underline());
+        return this;
+    }
 }

ts/tests/runTest.ts

@@ -16,10 +16,27 @@ describe('Run', () => {
         run = new Run();
     });
 
-    describe('#constructor()', () => {
+    describe('#bold()', () => {
+        it("it should add bold to the properties", () => {
+            run.bold();
+            var newJson = jsonify(run);
+            assert.isDefined(newJson.r[0].rPr[0].b);
+        });
+    });
 
-        it("", () => {
+    describe('#italics()', () => {
-            
+        it("it should add italics to the properties", () => {
+            run.italics();
+            var newJson = jsonify(run);
+            assert.isDefined(newJson.r[0].rPr[0].i);
+        });
+    });
+
+    describe('#underline()', () => {
+        it("it should add underline to the properties", () => {
+            run.underline();
+            var newJson = jsonify(run);
+            assert.isDefined(newJson.r[0].rPr[0].u);
         });
     });
 });