--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/q3widgetstack/tst_q3widgetstack.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,257 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include "q3widgetstack.h"
+#include <qapplication.h>
+#include <qboxlayout.h>
+#include <qlayout.h>
+#include <qradiobutton.h>
+#include <qlineedit.h>
+#include <qdialog.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_Q3WidgetStack : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_Q3WidgetStack();
+    virtual ~tst_Q3WidgetStack();
+
+protected slots:
+    void aboutToShow_helper(int);
+    void aboutToShow_helper(QWidget *);
+public slots:
+    void initTestCase();
+    void cleanupTestCase();
+    void init();
+    void cleanup();
+private slots:
+    void aboutToShow();
+    void sizeHint();
+    void addWidget();
+
+private:
+    Q3WidgetStack *testWidget;
+    QWidget *widgetOne;
+    QWidget *widgetTwo;
+
+    // Helpers for aboutToShow() test
+    QWidget *currentVisibleWidgetOne;
+    int aboutToShowId;
+    bool aboutToShowSignalOne;
+    QWidget *currentVisibleWidgetTwo;
+    QWidget *aboutToShowWidget;
+    bool aboutToShowSignalTwo;
+
+};
+
+
+const QSizePolicy ignored(QSizePolicy::Ignored, QSizePolicy::Ignored);
+const QSizePolicy preferred(QSizePolicy::Preferred, QSizePolicy::Preferred);
+
+tst_Q3WidgetStack::tst_Q3WidgetStack()
+{
+    testWidget = 0;
+}
+
+tst_Q3WidgetStack::~tst_Q3WidgetStack()
+{
+}
+
+
+void tst_Q3WidgetStack::initTestCase()
+{
+    testWidget = new Q3WidgetStack( 0 );
+    qApp->setMainWidget(testWidget);
+    testWidget->show();
+    widgetOne = new QWidget( testWidget );
+    testWidget->addWidget( widgetOne );
+    widgetTwo = new QWidget( testWidget );
+    testWidget->addWidget( widgetTwo );
+
+}
+
+void tst_Q3WidgetStack::cleanupTestCase()
+{
+    delete testWidget;
+    testWidget = 0;
+}
+
+void tst_Q3WidgetStack::init()
+{
+   testWidget->raiseWidget( widgetOne );
+}
+
+void tst_Q3WidgetStack::cleanup()
+{
+}
+
+void tst_Q3WidgetStack::aboutToShow_helper(int id)
+{
+    currentVisibleWidgetOne = testWidget->visibleWidget();
+    aboutToShowId = id;
+    aboutToShowSignalOne = TRUE;
+}
+
+void tst_Q3WidgetStack::aboutToShow_helper(QWidget *widget)
+{
+    currentVisibleWidgetTwo = testWidget->visibleWidget();
+    aboutToShowWidget = widget;
+    aboutToShowSignalTwo = TRUE;
+}
+
+void tst_Q3WidgetStack::aboutToShow()
+{
+    currentVisibleWidgetOne = 0;
+    aboutToShowId = 1000; // The id is not likely to be 1000
+    aboutToShowSignalOne = FALSE;
+    currentVisibleWidgetTwo = 0;
+    aboutToShowWidget = 0;
+    aboutToShowSignalTwo = FALSE;
+
+    connect(testWidget, SIGNAL(aboutToShow(int)), this, SLOT(aboutToShow_helper(int)));
+    connect(testWidget, SIGNAL(aboutToShow(QWidget *)), this, SLOT(aboutToShow_helper(QWidget *)));
+    testWidget->raiseWidget(widgetTwo);
+    for (int a = 0;a < 10;a++) {
+	qApp->processEvents();
+	if (aboutToShowSignalOne || aboutToShowSignalTwo)
+	    break;
+    }
+    QVERIFY(aboutToShowSignalOne);
+    QVERIFY(aboutToShowSignalTwo);
+    QVERIFY(currentVisibleWidgetOne == widgetOne);
+    QVERIFY(currentVisibleWidgetTwo == widgetOne);
+    QCOMPARE(aboutToShowId, testWidget->id(widgetTwo));
+    QCOMPARE(aboutToShowWidget, widgetTwo);
+    QCOMPARE(testWidget->visibleWidget(), widgetTwo);
+}
+
+void tst_Q3WidgetStack::sizeHint()
+{
+    QDialog dialog(0);
+
+    QHBoxLayout *layout = new QHBoxLayout(&dialog);
+    Q3WidgetStack *stack = new Q3WidgetStack(&dialog);
+    layout->addWidget(stack);
+
+    QWidget *pageA = new QWidget(stack);
+    (new QVBoxLayout(pageA))->addWidget(new QLineEdit(pageA));
+    stack->addWidget(pageA);
+    pageA->setSizePolicy(ignored);
+
+    QWidget *pageB = new QWidget(stack);
+    (new QVBoxLayout(pageB))->addWidget(new QRadioButton(pageB));
+    stack->addWidget(pageB);
+    pageB->setSizePolicy(ignored);
+
+    stack->raiseWidget(pageA);
+    dialog.show();
+
+    QSize before(dialog.size());
+    pageB->setSizePolicy(preferred);
+    stack->raiseWidget(pageB);
+
+    layout->activate();
+    dialog.setFixedSize(dialog.minimumSizeHint());
+    qApp->processEvents();
+    QVERIFY(before != dialog.minimumSizeHint());
+}
+
+void tst_Q3WidgetStack::addWidget()
+{
+    QDialog dialog(0);
+    Q3WidgetStack *stack = new Q3WidgetStack(&dialog);
+
+    // The widget should now be added to the stack 
+    QWidget *widget = new QWidget(stack);
+    QCOMPARE(stack->id(widget), -1);
+
+    // The widget should get a positive ID
+    int id = stack->addWidget(widget);
+    QVERIFY(id >= 0);
+    QCOMPARE(stack->id(widget), id);
+    QCOMPARE(stack->widget(id), widget);
+
+    QWidget *widget2 = new QWidget(stack);
+    QCOMPARE(stack->id(widget2), -1);
+
+    // The widget should get a negative ID different from -1
+    id = stack->addWidget(widget2, -2);
+    QVERIFY(id < -1);
+    QCOMPARE(stack->id(widget2), id);
+    QVERIFY(stack->id(widget2) != stack->id(widget));
+    QCOMPARE(stack->widget(id), widget2);
+
+    // The widget should be removed when it's deleted
+    delete widget2;
+    QCOMPARE(stack->id(widget2), -1);
+    QCOMPARE(stack->widget(id), (QWidget*)0);
+    
+    // Create a unique ID
+    int uid = stack->id(widget) + 100;
+    QWidget *widget3 = new QWidget(widget);
+
+    // Test of reparenting
+    id = stack->addWidget(widget3, uid);
+    QCOMPARE(id, uid);
+    QCOMPARE(stack->id(widget3), id);
+    QCOMPARE(widget3->parentWidget(), (QWidget*)stack);
+    QCOMPARE(stack->widget(id), widget3);
+
+    delete widget3;
+    QCOMPARE(stack->id(widget3), -1);
+    QCOMPARE(stack->widget(id), (QWidget*)0);
+
+    delete widget;
+    QCOMPARE(stack->id(widget), -1);
+
+    delete stack;
+
+}
+
+QTEST_MAIN(tst_Q3WidgetStack)
+#include "tst_q3widgetstack.moc"