Removing a binding while it is being applied caused a crash.

Use a weak pointer to the binding in case applying
the binding (while fast forwarding) causes it to be removed.

Task-number: QTBUG-14830
Reviewed-by: Michael Brasser

2 files changed, 42 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativestates/data/QTBUG-14830.qml b/tests/auto/declarative/qdeclarativestates/data/QTBUG-14830.qml
new file mode 100644
index 0000000..5eccdda
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativestates/data/QTBUG-14830.qml
@@ -0,0 +1,29 @@
+import Qt 4.7
+
+Rectangle {
+    width: 1024
+    height: 768
+
+    Item {
+        id: area
+        objectName: "area"
+        property int numx: 6
+        property int cellwidth: 1024/numx
+
+        onWidthChanged: {
+            width = width>1024?1024:width;
+        }
+
+        state: 'minimal'
+        states: [
+            State {
+                name: 'minimal'
+                PropertyChanges {
+                    target: area
+                    width: cellwidth
+                }
+            }
+        ]
+
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp b/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp
index 0d10c10..b8409a5 100644
--- a/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp
+++ b/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp
@@ -143,6 +143,7 @@ private slots:
     void returnToBase();
     void extendsBug();
     void editProperties();
+    void QTBUG_14830();
 };
 
 void tst_qdeclarativestates::initTestCase()
@@ -1375,6 +1376,18 @@ void tst_qdeclarativestates::editProperties()
     QCOMPARE(childRect->height(), qreal(40));
 }
 
+void tst_qdeclarativestates::QTBUG_14830()
+{
+    QDeclarativeEngine engine;
+
+    QDeclarativeComponent c(&engine, SRCDIR "/data/QTBUG-14830.qml");
+    QDeclarativeRectangle *rect = qobject_cast<QDeclarativeRectangle*>(c.create());
+    QVERIFY(rect != 0);
+    QDeclarativeItem *item = rect->findChild<QDeclarativeItem*>("area");
+
+    QCOMPARE(item->width(), qreal(171));
+}
+
 QTEST_MAIN(tst_qdeclarativestates)
 
 #include "tst_qdeclarativestates.moc"