From 2eb2d6386da304cd1164264ae0bff685c796d89c Mon Sep 17 00:00:00 2001
From: Michael Brasser <michael.brasser@live.com>
Date: Mon, 23 Oct 2017 20:45:00 -0500
Subject: Prevent errors when unloading Loader

Invalidate the context of the object so that destruction is signaled
and bindings no longer run.

Task-number: QTBUG-47321
Task-number: QTBUG-51995
Task-number: QTBUG-60344
Change-Id: I194a2fefe4e769a58c9ce022d39fe76cbe230de7
Reviewed-by: Michael Brasser <michael.brasser@live.com>
---
 tests/auto/quick/qquickloader/data/bindings.qml    | 71 ++++++++++++++++++++++
 .../auto/quick/qquickloader/data/parentErrors.qml  | 47 ++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 tests/auto/quick/qquickloader/data/bindings.qml
 create mode 100644 tests/auto/quick/qquickloader/data/parentErrors.qml

(limited to 'tests/auto/quick/qquickloader/data')

diff --git a/tests/auto/quick/qquickloader/data/bindings.qml b/tests/auto/quick/qquickloader/data/bindings.qml
new file mode 100644
index 0000000000..e0eae2a3e5
--- /dev/null
+++ b/tests/auto/quick/qquickloader/data/bindings.qml
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the manual tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Item {
+    id: root
+
+    property alias game: theGame
+    property alias loader: theLoader
+
+    Item {
+        id: theGame
+
+        property bool isReady: false
+
+        onStateChanged: {
+            if (state == "invalid") {
+                // The Loader's active property is bound to isReady, so none of its bindings
+                // should be updated when isReady becomes false
+                isReady = false;
+
+                player.destroy();
+                player = null;
+            } else if (state == "running") {
+                player = Qt.createQmlObject("import QtQuick 2.0; Item { property color color: 'black' }", root);
+
+                isReady = true;
+            }
+        }
+
+        property Item player
+    }
+
+    Loader {
+        id: theLoader
+        active: theGame.isReady
+        sourceComponent: Rectangle {
+            width: 400
+            height: 400
+            color: game.player.color
+
+            property var game: theGame
+        }
+    }
+}
diff --git a/tests/auto/quick/qquickloader/data/parentErrors.qml b/tests/auto/quick/qquickloader/data/parentErrors.qml
new file mode 100644
index 0000000000..36607e7f05
--- /dev/null
+++ b/tests/auto/quick/qquickloader/data/parentErrors.qml
@@ -0,0 +1,47 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the manual tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Rectangle {
+    width: 360
+    height: 360
+
+    property alias loader: loader
+
+    Loader {
+        id: loader
+        anchors.fill: parent
+    }
+
+    property Component component: Rectangle {
+        width: parent.width
+        height: parent.height
+        color: "pink"
+    }
+}
-- 
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