tests/auto/qml/qqmlecmascript/data/handleReferenceManagement.object.2.qml

   1 import QtQuick 2.0
   2 import Qt.test 1.0
   3
   4 Item {
   5     id: obj
   6     objectName: "obj"
   7
   8     property CircularReferenceObject first
   9     property CircularReferenceObject second
  10
  11
  12     CircularReferenceObject {
  13         id: cro
  14         objectName: "cro"
  15     }
  16
  17     function circularReference() {
  18         // generate the circularly referential pair - they should still be collected
  19         first = cro.generate();  // no parent, so should be collected
  20         second = cro.generate(); // no parent, so should be collected
  21         first.addReference(second);
  22         second.addReference(first);
  23
  24         // remove top level references
  25         first = cro;
  26         second = cro;
  27     }
  28 }