Add nested if() test. Update source locations.

source/sample-utility-0.js

@@ -0,0 +1,30 @@
+var SampleUtility = function(){};
+SampleUtility.prototype = Object.extendsObject(Processor, {
+    
+    setUserStatus: function() {
+        var value = this.getParameter('value');
+
+        var ua = new GR('users');
+        ua.query();
+        
+        if(!ua.hasNext()){
+            ua.initialize();
+            ua.setValue('status',value);
+            ua.insert();
+        }
+        else {
+            ua.next();
+            ua.setValue('status',value); // unsafe
+            ua.update();
+            // Nested if() test.
+            if (ua.safeToWrite()) {
+                ua.setValue('status', value); // safe
+                ua.update();
+            }        
+        }
+
+
+    },
+    
+    type: 'SampleUtility'
+});