From 0150b8ffd4e12ca0f3c5197ce225d81b0f9d1537 Mon Sep 17 00:00:00 2001
From: Michael Brasser <michael.brasser@nokia.com>
Date: Wed, 9 Dec 2009 13:03:32 +1000
Subject: Item creation benchmarks.

---
 .../declarative/creation/tst_creation.cpp          | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/tests/benchmarks/declarative/creation/tst_creation.cpp b/tests/benchmarks/declarative/creation/tst_creation.cpp
index 99411d4..a73de41 100644
--- a/tests/benchmarks/declarative/creation/tst_creation.cpp
+++ b/tests/benchmarks/declarative/creation/tst_creation.cpp
@@ -45,6 +45,7 @@
 #include <QmlMetaType>
 #include <QDebug>
 #include <QGraphicsItem>
+#include <QmlGraphicsItem>
 #include <private/qobject_p.h>
 
 class tst_creation : public QObject
@@ -65,6 +66,12 @@ private slots:
     void qgraphicsitem();
     void qgraphicsitem_tree();
 
+    void itemtree_notree_cpp();
+    void itemtree_objtree_cpp();
+    void itemtree_cpp();
+    void itemtree_data_cpp();
+    void itemtree_qml();
+
 private:
     QmlEngine engine;
 };
@@ -241,6 +248,82 @@ void tst_creation::qgraphicsitem_tree()
     }
 }
 
+struct QmlGraphics_DerivedObject : public QObject
+{
+    void setParent_noEvent(QObject *parent) {
+        bool sce = d_ptr->sendChildEvents;
+        d_ptr->sendChildEvents = false;
+        setParent(parent);
+        d_ptr->sendChildEvents = sce;
+    }
+};
+
+inline void QmlGraphics_setParent_noEvent(QObject *object, QObject *parent)
+{
+    static_cast<QmlGraphics_DerivedObject *>(object)->setParent_noEvent(parent);
+}
+
+void tst_creation::itemtree_notree_cpp()
+{
+    QBENCHMARK {
+        QmlGraphicsItem *item = new QmlGraphicsItem;
+        for (int i = 0; i < 30; ++i) {
+            QmlGraphicsItem *child = new QmlGraphicsItem;
+        }
+        delete item;
+    }
+}
+
+void tst_creation::itemtree_objtree_cpp()
+{
+    QBENCHMARK {
+        QmlGraphicsItem *item = new QmlGraphicsItem;
+        for (int i = 0; i < 30; ++i) {
+            QmlGraphicsItem *child = new QmlGraphicsItem;
+            QmlGraphics_setParent_noEvent(child,item);
+        }
+        delete item;
+    }
+}
+
+void tst_creation::itemtree_cpp()
+{
+    QBENCHMARK {
+        QmlGraphicsItem *item = new QmlGraphicsItem;
+        for (int i = 0; i < 30; ++i) {
+            QmlGraphicsItem *child = new QmlGraphicsItem;
+            QmlGraphics_setParent_noEvent(child,item);
+            child->setParentItem(item);
+        }
+        delete item;
+    }
+}
+
+void tst_creation::itemtree_data_cpp()
+{
+    QBENCHMARK {
+        QmlGraphicsItem *item = new QmlGraphicsItem;
+        for (int i = 0; i < 30; ++i) {
+            QmlGraphicsItem *child = new QmlGraphicsItem;
+            QmlGraphics_setParent_noEvent(child,item);
+            item->data()->append(child);
+        }
+        delete item;
+    }
+}
+
+void tst_creation::itemtree_qml()
+{
+    QmlComponent component(&engine, TEST_FILE("item.qml"));
+    QObject *obj = component.create();
+    delete obj;
+
+    QBENCHMARK {
+        QObject *obj = component.create();
+        delete obj;
+    }
+}
+
 
 QTEST_MAIN(tst_creation)
 
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