Fix for #747 issue.

apps/tests/ui/action-bar/ActionBar_NumberAsText.ts

@@ -0,0 +1,5 @@
+import frame = require("ui/frame");
+
+export function buttonTap(args) {
+    frame.topmost().goBack();
+}

apps/tests/ui/action-bar/ActionBar_NumberAsText.xml

@@ -0,0 +1,12 @@
+<Page>
+    <Page.actionBar>
+        <ActionBar title="Service Asset Maintenance">
+            <ActionBar.actionItems>
+                <ActionItem text="1" ios.position="right"/>
+            </ActionBar.actionItems>
+        </ActionBar>
+    </Page.actionBar>
+    <StackLayout>
+        <Button text="Click me" />
+    </StackLayout>
+</Page>

apps/tests/ui/action-bar/action-bar-tests-common.ts

@@ -4,6 +4,7 @@ import helper = require("../helper");
 import builder = require("ui/builder");
 import button = require("ui/button");
 import PageModule = require("ui/page");
+import fs = require("file-system");
 
 // <snippet module="ui/action-bar" title="ActionBar">
 // # ActionBar
@@ -203,3 +204,24 @@ export function test_Setting_ActionItems_doesnt_thrown() {
         helper.goBack();
     }
 }
+
+export function test_Setting_ActionItemsWithNumberAsText_doesnt_thrown() {
+
+    var gotException = false;
+
+    var moduleName = __dirname.substr(fs.knownFolders.currentApp().path.length);
+
+    try {
+        helper.navigateToModule(moduleName + "/ActionBar_NumberAsText");
+    }
+    catch (e) {
+        gotException = true;
+    }
+
+    try {
+        TKUnit.assert(!gotException, "Expected: false, Actual: " + gotException);
+    }
+    finally {
+        helper.goBack();
+    }
+}