Fix QQuickDayOfWeekModel::setLocale()

It must emit dataChanged() even if the first day of week of the new
and old locales are the same. The names are most likely different.

Change-Id: I932215821962910ef1fb8a66f2dab81dcc51a3b1
Reviewed-by: Liang Qi <liang.qi@theqtcompany.com>

.gitignore

@@ -14,6 +14,7 @@
 /tests/auto/accessibility/tst_accessibility
 /tests/auto/activeFocusOnTab/tst_activeFocusOnTab
 /tests/auto/applicationwindow/tst_applicationwindow
+/tests/auto/calendar/tst_calendar
 /tests/auto/controls/tst_controls
 /tests/auto/sanity/tst_sanity
 /tests/auto/snippets/tst_snippets

src/imports/calendar/qquickdayofweekmodel.cpp

@@ -63,10 +63,8 @@ void QQuickDayOfWeekModel::setLocale(const QLocale &locale)
 {
     Q_D(QQuickDayOfWeekModel);
     if (d->locale != locale) {
-        bool changed = d->locale.firstDayOfWeek() != locale.firstDayOfWeek();
         d->locale = locale;
         emit localeChanged();
-        if (changed)
         emit dataChanged(index(0, 0), index(6, 0));
     }
 }

tests/auto/auto.pro

@@ -3,6 +3,7 @@ SUBDIRS += \
     accessibility \
     activeFocusOnTab \
     applicationwindow \
+    calendar \
     controls \
     sanity \
     snippets

tests/auto/calendar/calendar.pro

@@ -0,0 +1,12 @@
+TEMPLATE = app
+TARGET = tst_calendar
+CONFIG += qmltestcase
+
+SOURCES += \
+    $$PWD/tst_calendar.cpp
+
+OTHER_FILES += \
+    $$PWD/data/*
+
+TESTDATA += \
+    $$PWD/data/tst_*

tests/auto/calendar/data/tst_dayofweekrow.qml

@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** 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 QtTest 1.0
+import QtQuick.Calendar 2.0
+
+TestCase {
+    id: testCase
+    width: 400
+    height: 400
+    visible: true
+    when: windowShown
+    name: "DayOfWeekRow"
+
+    Component {
+        id: component
+        DayOfWeekRow { }
+    }
+
+    function test_locale() {
+        var control = component.createObject(testCase)
+
+        verify(control.contentItem.children[0])
+
+        control.locale = Qt.locale("en_US")
+        compare(control.contentItem.children[0].text, "Sun")
+
+        control.locale = Qt.locale("no_NO")
+        compare(control.contentItem.children[0].text, "ma.")
+
+        control.locale = Qt.locale("fi_FI")
+        compare(control.contentItem.children[0].text, "ma")
+
+        control.destroy()
+    }
+}

tests/auto/calendar/tst_calendar.cpp

@@ -0,0 +1,38 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtQuickTest/quicktest.h>
+QUICK_TEST_MAIN(tst_calendar)