Long live Qt 4.5!

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diff --git a/tests/auto/qclipboard/tst_qclipboard.cpp b/tests/auto/qclipboard/tst_qclipboard.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <QtCore/QDebug>
+#include <QtGui/QApplication>
+#include <QtGui/QClipboard>
+#ifdef Q_WS_MAC
+#include <Carbon/Carbon.h>
+#endif
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QClipboard : public QObject
+{
+    Q_OBJECT
+private slots:
+
+    void copy_exit_paste();
+    void capabiliyFunctions();
+    void modes();
+    void testSignals();
+    void setMimeData();
+    void clearBeforeSetText();
+
+private:
+    bool nativeClipboardWorking();
+};
+
+
+bool tst_QClipboard::nativeClipboardWorking()
+{
+#ifdef Q_WS_MAC
+    PasteboardRef pasteboard;
+    OSStatus status = PasteboardCreate(0, &pasteboard);
+    if (status == noErr)
+        CFRelease(pasteboard);
+    return status == noErr;
+#endif
+    return true;
+}
+
+Q_DECLARE_METATYPE(QClipboard::Mode)
+
+/*
+    Tests that the capability functions are implemented on all
+    platforms.
+*/
+void tst_QClipboard::capabiliyFunctions()
+{
+    QClipboard * const clipboard =  QApplication::clipboard();
+
+    clipboard->supportsSelection();
+    clipboard->supportsFindBuffer();
+    clipboard->ownsSelection();
+    clipboard->ownsClipboard();
+    clipboard->ownsFindBuffer();
+}
+
+/*
+    Test that text inserted into the clipboard in different modes is
+    kept separate.
+*/
+void tst_QClipboard::modes()
+{
+    QClipboard * const clipboard =  QApplication::clipboard();
+
+    if (!nativeClipboardWorking())
+        QSKIP("Native clipboard not working in this setup", SkipAll);
+
+    const QString defaultMode = "deafult mode text;";
+    clipboard->setText(defaultMode);
+    QCOMPARE(clipboard->text(), defaultMode);
+
+    if (clipboard->supportsSelection()) {
+        const QString selectionMode = "selection mode text";
+        clipboard->setText(selectionMode, QClipboard::Selection);
+        QCOMPARE(clipboard->text(QClipboard::Selection), selectionMode);
+        QCOMPARE(clipboard->text(), defaultMode);
+    }
+
+    if (clipboard->supportsFindBuffer()) {
+        const QString searchMode = "find mode text";
+        clipboard->setText(searchMode, QClipboard::FindBuffer);
+        QCOMPARE(clipboard->text(QClipboard::FindBuffer), searchMode);
+        QCOMPARE(clipboard->text(), defaultMode);
+    }
+}
+
+/*
+    Test that the apropriate signals are emitted when the cliboard
+    contents is changed by calling the qt funcitons.
+*/
+void tst_QClipboard::testSignals()
+{
+    qRegisterMetaType<QClipboard::Mode>("QClipboard::Mode");
+
+    if (!nativeClipboardWorking())
+        QSKIP("Native clipboard not working in this setup", SkipAll);
+
+    QClipboard * const clipboard =  QApplication::clipboard();
+
+    QSignalSpy changedSpy(clipboard, SIGNAL(changed(QClipboard::Mode)));
+    QSignalSpy dataChangedSpy(clipboard, SIGNAL(dataChanged()));
+    QSignalSpy searchChangedSpy(clipboard, SIGNAL(findBufferChanged()));
+    QSignalSpy selectionChangedSpy(clipboard, SIGNAL(selectionChanged()));
+
+    const QString text = "clipboard text;";
+
+    // Test the default mode signal.
+    clipboard->setText(text);
+    QCOMPARE(dataChangedSpy.count(), 1);
+    QCOMPARE(searchChangedSpy.count(), 0);
+    QCOMPARE(selectionChangedSpy.count(), 0);
+    QCOMPARE(changedSpy.count(), 1);
+    QCOMPARE(changedSpy.at(0).count(), 1);
+    QCOMPARE(qVariantValue<QClipboard::Mode>(changedSpy.at(0).at(0)), QClipboard::Clipboard);
+
+    changedSpy.clear();
+
+    // Test the selction mode signal.
+    if (clipboard->supportsSelection()) {
+        clipboard->setText(text, QClipboard::Selection);
+        QCOMPARE(selectionChangedSpy.count(), 1);
+        QCOMPARE(changedSpy.count(), 1);
+        QCOMPARE(changedSpy.at(0).count(), 1);
+        QCOMPARE(qVariantValue<QClipboard::Mode>(changedSpy.at(0).at(0)), QClipboard::Selection);
+    } else {
+        QCOMPARE(selectionChangedSpy.count(), 0);
+    }
+    QCOMPARE(dataChangedSpy.count(), 1);
+    QCOMPARE(searchChangedSpy.count(), 0);
+
+    changedSpy.clear();
+
+    // Test the search mode signal.
+    if (clipboard->supportsFindBuffer()) {
+        clipboard->setText(text, QClipboard::FindBuffer);
+        QCOMPARE(searchChangedSpy.count(), 1);
+        QCOMPARE(changedSpy.count(), 1);
+        QCOMPARE(changedSpy.at(0).count(), 1);
+        QCOMPARE(qVariantValue<QClipboard::Mode>(changedSpy.at(0).at(0)), QClipboard::FindBuffer);
+    } else {
+        QCOMPARE(searchChangedSpy.count(), 0);
+    }
+    QCOMPARE(dataChangedSpy.count(), 1);
+}
+
+/*
+    Test that pasted text remain on the clipboard
+    after a Qt application exits.
+*/
+void tst_QClipboard::copy_exit_paste()
+{
+#if defined Q_WS_X11 || defined Q_WS_QWS
+    QSKIP("This test does not make sense on X11 and embedded, copied data disappears from the clipboard when the application exits ", SkipAll);
+    // ### It's still possible to test copy/paste - just keep the apps running
+#endif
+    if (!nativeClipboardWorking())
+        QSKIP("Native clipboard not working in this setup", SkipAll);
+    const QStringList stringArgument = QStringList() << "Test string.";
+    QCOMPARE(QProcess::execute("copier/copier", stringArgument), 0);
+#ifdef Q_WS_MAC
+    // The Pasteboard needs a moment to breathe (at least on older Macs).
+    QTest::qWait(100);
+#endif
+    QCOMPARE(QProcess::execute("paster/paster", stringArgument), 0);
+}
+
+void tst_QClipboard::setMimeData()
+{
+    if (!nativeClipboardWorking())
+        QSKIP("Native clipboard not working in this setup", SkipAll);
+    QMimeData *mimeData = new QMimeData;
+    const QString TestName(QLatin1String("tst_QClipboard::setMimeData() mimeData"));
+    mimeData->setObjectName(TestName);
+#if defined(Q_OS_WINCE)
+    // need to set text on CE
+    mimeData->setText(QLatin1String("Qt/CE foo"));
+#endif
+
+    QApplication::clipboard()->setMimeData(mimeData);
+    QCOMPARE(QApplication::clipboard()->mimeData(), (const QMimeData *)mimeData);
+    QCOMPARE(QApplication::clipboard()->mimeData()->objectName(), TestName);
+
+    // set it to the same data again, it shouldn't delete mimeData (and crash as a result)
+    QApplication::clipboard()->setMimeData(mimeData);
+    QCOMPARE(QApplication::clipboard()->mimeData(), (const QMimeData *)mimeData);
+    QCOMPARE(QApplication::clipboard()->mimeData()->objectName(), TestName);
+    QApplication::clipboard()->clear();
+    const QMimeData *appMimeData = QApplication::clipboard()->mimeData();
+    QVERIFY(appMimeData != mimeData || appMimeData->objectName() != TestName);
+
+    // check for crash when using the same mimedata object on several clipboards
+    QMimeData *data = new QMimeData;
+    data->setText("foo");
+
+    QApplication::clipboard()->setMimeData(data, QClipboard::Clipboard);
+    QApplication::clipboard()->setMimeData(data, QClipboard::Selection);
+    QApplication::clipboard()->setMimeData(data, QClipboard::FindBuffer);
+    
+    QSignalSpy spySelection(QApplication::clipboard(), SIGNAL(selectionChanged()));
+    QSignalSpy spyData(QApplication::clipboard(), SIGNAL(dataChanged()));
+    QSignalSpy spyFindBuffer(QApplication::clipboard(), SIGNAL(findBufferChanged()));
+
+    QApplication::clipboard()->clear(QClipboard::Clipboard);
+    QApplication::clipboard()->clear(QClipboard::Selection); // used to crash on X11
+    QApplication::clipboard()->clear(QClipboard::FindBuffer);
+
+#if defined(Q_WS_X11)
+    QCOMPARE(spySelection.count(), 1);
+    QCOMPARE(spyData.count(), 1);
+    QCOMPARE(spyFindBuffer.count(), 0);
+#elif defined(Q_WS_MAC)
+    QCOMPARE(spySelection.count(), 0);
+    QCOMPARE(spyData.count(), 1);
+    QCOMPARE(spyFindBuffer.count(), 1);
+#elif defined(Q_WS_WIN)
+    QCOMPARE(spySelection.count(), 0);
+    QCOMPARE(spyData.count(), 1);
+    QCOMPARE(spyFindBuffer.count(), 0);
+#endif
+
+    // an other crash test
+    data = new QMimeData;
+    data->setText("foo");
+
+    QApplication::clipboard()->setMimeData(data, QClipboard::Clipboard);
+    QApplication::clipboard()->setMimeData(data, QClipboard::Selection);
+    QApplication::clipboard()->setMimeData(data, QClipboard::FindBuffer);
+
+    QMimeData *newData = new QMimeData;
+    newData->setText("bar");
+
+    spySelection.clear();
+    spyData.clear();
+    spyFindBuffer.clear();
+    
+    QApplication::clipboard()->setMimeData(newData, QClipboard::Clipboard);
+    QApplication::clipboard()->setMimeData(newData, QClipboard::Selection); // used to crash on X11
+    QApplication::clipboard()->setMimeData(newData, QClipboard::FindBuffer);
+
+#if defined(Q_WS_X11)
+    QCOMPARE(spySelection.count(), 1);
+    QCOMPARE(spyData.count(), 1);
+    QCOMPARE(spyFindBuffer.count(), 0);
+#elif defined(Q_WS_MAC)
+    QCOMPARE(spySelection.count(), 0);
+    QCOMPARE(spyData.count(), 1);
+    QCOMPARE(spyFindBuffer.count(), 1);
+#elif defined(Q_WS_WIN)
+    QCOMPARE(spySelection.count(), 0);
+    QCOMPARE(spyData.count(), 1);
+    QCOMPARE(spyFindBuffer.count(), 0);
+#endif
+}
+
+void tst_QClipboard::clearBeforeSetText()
+{
+    QApplication::processEvents();
+
+    if (!nativeClipboardWorking())
+        QSKIP("Native clipboard not working in this setup", SkipAll);
+
+    const QString text = "tst_QClipboard::clearBeforeSetText()";
+
+    // setText() should work after processEvents()
+    QApplication::clipboard()->setText(text);
+    QCOMPARE(QApplication::clipboard()->text(), text);
+    QApplication::processEvents();
+    QCOMPARE(QApplication::clipboard()->text(), text);
+
+    // same with clear()
+    QApplication::clipboard()->clear();
+    QVERIFY(QApplication::clipboard()->text().isEmpty());
+    QApplication::processEvents();
+    QVERIFY(QApplication::clipboard()->text().isEmpty());
+
+    // setText() again
+    QApplication::clipboard()->setText(text);
+    QCOMPARE(QApplication::clipboard()->text(), text);
+    QApplication::processEvents();
+    QCOMPARE(QApplication::clipboard()->text(), text);
+
+    // clear() immediately followed by setText() should still return the text
+    QApplication::clipboard()->clear();
+    QVERIFY(QApplication::clipboard()->text().isEmpty());
+    QApplication::clipboard()->setText(text);
+    QCOMPARE(QApplication::clipboard()->text(), text);
+    QApplication::processEvents();
+    QCOMPARE(QApplication::clipboard()->text(), text);
+}
+
+QTEST_MAIN(tst_QClipboard)
+
+#include "tst_qclipboard.moc"