Disallow writes to read-only value type properties

QTBUG-9685

4 files changed, 38 insertions, 1 deletions

diff --git a/src/declarative/qml/qdeclarativecompiler.cpp b/src/declarative/qml/qdeclarativecompiler.cpp
index d2b2024..bd664fe 100644
--- a/src/declarative/qml/qdeclarativecompiler.cpp
+++ b/src/declarative/qml/qdeclarativecompiler.cpp
@@ -1866,6 +1866,10 @@ bool QDeclarativeCompiler::buildGroupedProperty(QDeclarativeParser::Property *pr
                 }
             }
 
+            if (!obj->metaObject()->property(prop->index).isWritable()) {
+                COMPILE_EXCEPTION(prop, QCoreApplication::translate("QDeclarativeCompiler", "Invalid property assignment: \"%1\" is a read-only property").arg(QString::fromUtf8(prop->name)));
+            }
+
             COMPILE_CHECK(buildValueTypeProperty(ep->valueTypes[prop->type],
                                                  prop->value, obj, ctxt.incr()));
             obj->addValueTypeProperty(prop);
diff --git a/tests/auto/declarative/qdeclarativevaluetypes/data/sizereadonly_writeerror3.qml b/tests/auto/declarative/qdeclarativevaluetypes/data/sizereadonly_writeerror3.qml
new file mode 100644
index 0000000..b8e3f0d
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativevaluetypes/data/sizereadonly_writeerror3.qml
@@ -0,0 +1,7 @@
+import Test 1.0
+
+MyTypeObject {
+    sizereadonly.width: 13
+    sizereadonly.height: 88
+}
+
diff --git a/tests/auto/declarative/qdeclarativevaluetypes/data/sizereadonly_writeerror4.qml b/tests/auto/declarative/qdeclarativevaluetypes/data/sizereadonly_writeerror4.qml
new file mode 100644
index 0000000..8ae2ef8
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativevaluetypes/data/sizereadonly_writeerror4.qml
@@ -0,0 +1,10 @@
+import Test 1.0
+import Qt 4.6
+
+MyTypeObject {
+    Component.onCompleted: {
+        sizereadonly.width = 13;
+    }
+}
+
+
diff --git a/tests/auto/declarative/qdeclarativevaluetypes/tst_qdeclarativevaluetypes.cpp b/tests/auto/declarative/qdeclarativevaluetypes/tst_qdeclarativevaluetypes.cpp
index c74199f..e653abf 100644
--- a/tests/auto/declarative/qdeclarativevaluetypes/tst_qdeclarativevaluetypes.cpp
+++ b/tests/auto/declarative/qdeclarativevaluetypes/tst_qdeclarativevaluetypes.cpp
@@ -216,10 +216,26 @@ void tst_qdeclarativevaluetypes::sizereadonly()
 
     {
         QDeclarativeComponent component(&engine, TEST_FILE("sizereadonly_writeerror2.qml"));
-        QEXPECT_FAIL("", "QTBUG-9685", Abort);
         QVERIFY(component.isError());
         QCOMPARE(component.errors().at(0).description(), QLatin1String("Invalid property assignment: \"sizereadonly\" is a read-only property"));
     }
+
+    {
+        QDeclarativeComponent component(&engine, TEST_FILE("sizereadonly_writeerror3.qml"));
+        QVERIFY(component.isError());
+        QCOMPARE(component.errors().at(0).description(), QLatin1String("Invalid property assignment: \"sizereadonly\" is a read-only property"));
+    }
+
+    {
+        QDeclarativeComponent component(&engine, TEST_FILE("sizereadonly_writeerror4.qml"));
+
+        QObject *object = component.create();
+        QVERIFY(object);
+
+        QCOMPARE(object->property("sizereadonly").toSize(), QSize(1912, 1913));
+
+        delete object;
+    }
 }
 
 void tst_qdeclarativevaluetypes::rect()