Update childrenRect when children are added or removed.

Task-number: QT-714

2 files changed, 55 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativeitem/data/childrenRect.qml b/tests/auto/declarative/qdeclarativeitem/data/childrenRect.qml
new file mode 100644
index 0000000..f351b53
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeitem/data/childrenRect.qml
@@ -0,0 +1,27 @@
+import Qt 4.7
+
+Rectangle {
+    width: 400
+    height: 400
+
+    property int childCount: 0;
+
+    Item {
+        objectName: "testItem"
+        width: childrenRect.width
+        height: childrenRect.height
+
+        Repeater {
+            id: repeater
+            model: childCount
+            delegate: Rectangle {
+                x: index*10
+                y: index*20
+                width: 10
+                height: 20
+
+                color: "red"
+            }
+        }
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativeitem/tst_qdeclarativeitem.cpp b/tests/auto/declarative/qdeclarativeitem/tst_qdeclarativeitem.cpp
index d2c328e..e0ca746 100644
--- a/tests/auto/declarative/qdeclarativeitem/tst_qdeclarativeitem.cpp
+++ b/tests/auto/declarative/qdeclarativeitem/tst_qdeclarativeitem.cpp
@@ -63,6 +63,7 @@ private slots:
     void propertyChanges();
     void transforms();
     void transforms_data();
+    void childrenRect();
 
     void childrenProperty();
     void resourcesProperty();
@@ -537,6 +538,33 @@ void tst_QDeclarativeItem::propertyChanges()
     delete canvas;
 }
 
+void tst_QDeclarativeItem::childrenRect()
+{
+    QDeclarativeView *canvas = new QDeclarativeView(0);
+    canvas->setFixedSize(240,320);
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/childrenRect.qml"));
+    canvas->show();
+
+    QGraphicsObject *o = canvas->rootObject();
+    QDeclarativeItem *item = o->findChild<QDeclarativeItem*>("testItem");
+    QCOMPARE(item->width(), qreal(0));
+    QCOMPARE(item->height(), qreal(0));
+
+    o->setProperty("childCount", 1);
+    QCOMPARE(item->width(), qreal(10));
+    QCOMPARE(item->height(), qreal(20));
+
+    o->setProperty("childCount", 5);
+    QCOMPARE(item->width(), qreal(50));
+    QCOMPARE(item->height(), qreal(100));
+
+    o->setProperty("childCount", 0);
+    QCOMPARE(item->width(), qreal(0));
+    QCOMPARE(item->height(), qreal(0));
+
+    delete o;
+}
+
 template<typename T>
 T *tst_QDeclarativeItem::findItem(QGraphicsObject *parent, const QString &objectName)
 {