summaryrefslogtreecommitdiffstats
path: root/tests/auto/qclipboard/tst_qclipboard.cpp
blob: bcdf04372443b21c135d768bb72807cfb9ffe6dc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 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 http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/


#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()
{
#ifndef QT_NO_PROCESS
#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);
#endif
}

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"