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import QtQuick 2.0
import Qt.test.qobjectApi 1.0 as QObjectApi
Item {
property bool success: true
property Item testProp: null
// first we create an object and reference it via a dynamic variant property
function createReference() {
var c = Qt.createComponent("HRMDPComponent.qml");
testProp = c.createObject(null); // QML ownership.
}
// after a gc, it should not have been collected.
function ensureReference() {
if (testProp == null) success = false; // should not have triggered delete notify / zeroed testProp value
if (testProp.variantCanary != 5) success = false; // should not have deleted vmemo of object referenced by testProp
if (testProp.varCanary != 12) success = false; // should not have collected vmemo vmeProperties
if (QObjectApi.QObject.qobjectTestWritableProperty != 42) success = false; // should not have been set to 43.
}
// then we manually delete the item being referenced
function manuallyDelete() {
QObjectApi.QObject.deleteQObject(testProp);
if (QObjectApi.QObject.qobjectTestWritableProperty != 43) success = false; // should have been set to 43.
}
// after a gc (and deferred deletion process) the object should be gone
function ensureDeleted() {
// a crash should not have occurred during the previous gc due to the
// VMEMO attempting to keep a previously deleted QObject alive.
if (testProp != null) success = false; // delete notify should have zeroed testProp value.
}
}
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