RangeModel: Emit min/max and value changes after component is complete

Prevent extra value changed signal to be fired in case when Slider with
minimum > 0 and value > minimum are set.

Change-Id: I86824c403a7c0296f782d2eec7ed30acfc13b304
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

2 files changed, 65 insertions, 1 deletions

diff --git a/tests/auto/controls/data/rangemodel/init.qml b/tests/auto/controls/data/rangemodel/init.qml
new file mode 100644
index 00000000..9d050143
--- /dev/null
+++ b/tests/auto/controls/data/rangemodel/init.qml
@@ -0,0 +1,56 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+import QtQuick.Controls 1.2
+import QtQuick.Controls.Private 1.0
+import QtTest 1.0
+
+RangeModel {
+    id: rangemodel
+    positionAtMinimum: 0
+    positionAtMaximum: 100
+    stepSize: 1
+
+    property QtObject spy: SignalSpy {
+        target: rangemodel
+        signalName: "valueChanged"
+    }
+}
diff --git a/tests/auto/controls/data/tst_rangemodel.qml b/tests/auto/controls/data/tst_rangemodel.qml
index db3aceb7..6d95f279 100644
--- a/tests/auto/controls/data/tst_rangemodel.qml
+++ b/tests/auto/controls/data/tst_rangemodel.qml
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2015 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** This file is part of the test suite of the Qt Toolkit.
@@ -68,6 +68,14 @@ TestCase {
         spy.clear()
     }
 
+    function test_delayedinit() {
+        var component = Qt.createComponent("rangemodel/init.qml");
+        compare(component.status, Component.Ready)
+        var r =  component.createObject(testCase, {minimumValue: 40, maximumValue: 90, value: 80});
+        compare(r.value, 80)
+        compare(r.spy.count, 1)
+    }
+
     function test_setminimumvalue() {
         spy.signalName = "minimumChanged"
         compare(spy.count, 0)