1 import Qt 4.7

     2 

     3 QtObject {

     4     id: root

     5 

     6     property int a

     7     property variant b

     8 

     9     Component.onCompleted: {

    10         try {

    11             root.a = undefined;

    12         } catch(e) {

    13             console.log (e.fileName + ":" + e.lineNumber + ":" + e);

    14         }

    15 

    16         try {

    17             root.a = "Hello";

    18         } catch(e) {

    19             console.log (e.fileName + ":" + e.lineNumber + ":" + e);

    20         }

    21     }

    22 }