File indexing completed on 2024-11-10 04:56:25

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004 
0005     SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
0006 
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 #include "testutils.h"
0010 // KWin
0011 #include "utils/xcbutils.h"
0012 // Qt
0013 #include <QApplication>
0014 #include <QTest>
0015 #include <netwm.h>
0016 #include <private/qtx11extras_p.h>
0017 // xcb
0018 #include <xcb/xcb.h>
0019 #include <xcb/xcb_icccm.h>
0020 
0021 using namespace KWin;
0022 
0023 class TestXcbSizeHints : public QObject
0024 {
0025     Q_OBJECT
0026 private Q_SLOTS:
0027     void initTestCase();
0028     void init();
0029     void cleanup();
0030     void testSizeHints_data();
0031     void testSizeHints();
0032     void testSizeHintsEmpty();
0033     void testSizeHintsNotSet();
0034     void geometryHintsBeforeInit();
0035     void geometryHintsBeforeRead();
0036 
0037 private:
0038     Xcb::Window m_testWindow;
0039 };
0040 
0041 void TestXcbSizeHints::initTestCase()
0042 {
0043     qApp->setProperty("x11RootWindow", QVariant::fromValue<quint32>(QX11Info::appRootWindow()));
0044     qApp->setProperty("x11Connection", QVariant::fromValue<void *>(QX11Info::connection()));
0045 }
0046 
0047 void TestXcbSizeHints::init()
0048 {
0049     const uint32_t values[] = {true};
0050     m_testWindow.create(QRect(0, 0, 10, 10), XCB_WINDOW_CLASS_INPUT_ONLY, XCB_CW_OVERRIDE_REDIRECT, values);
0051     QVERIFY(m_testWindow.isValid());
0052 }
0053 
0054 void TestXcbSizeHints::cleanup()
0055 {
0056     m_testWindow.reset();
0057 }
0058 
0059 void TestXcbSizeHints::testSizeHints_data()
0060 {
0061     // set
0062     QTest::addColumn<QPoint>("userPos");
0063     QTest::addColumn<QSize>("userSize");
0064     QTest::addColumn<QSize>("minSize");
0065     QTest::addColumn<QSize>("maxSize");
0066     QTest::addColumn<QSize>("resizeInc");
0067     QTest::addColumn<QSize>("minAspect");
0068     QTest::addColumn<QSize>("maxAspect");
0069     QTest::addColumn<QSize>("baseSize");
0070     QTest::addColumn<qint32>("gravity");
0071     // read for SizeHints
0072     QTest::addColumn<qint32>("expectedFlags");
0073     QTest::addColumn<qint32>("expectedPad0");
0074     QTest::addColumn<qint32>("expectedPad1");
0075     QTest::addColumn<qint32>("expectedPad2");
0076     QTest::addColumn<qint32>("expectedPad3");
0077     QTest::addColumn<qint32>("expectedMinWidth");
0078     QTest::addColumn<qint32>("expectedMinHeight");
0079     QTest::addColumn<qint32>("expectedMaxWidth");
0080     QTest::addColumn<qint32>("expectedMaxHeight");
0081     QTest::addColumn<qint32>("expectedWidthInc");
0082     QTest::addColumn<qint32>("expectedHeightInc");
0083     QTest::addColumn<qint32>("expectedMinAspectNum");
0084     QTest::addColumn<qint32>("expectedMinAspectDen");
0085     QTest::addColumn<qint32>("expectedMaxAspectNum");
0086     QTest::addColumn<qint32>("expectedMaxAspectDen");
0087     QTest::addColumn<qint32>("expectedBaseWidth");
0088     QTest::addColumn<qint32>("expectedBaseHeight");
0089     // read for GeometryHints
0090     QTest::addColumn<QSize>("expectedMinSize");
0091     QTest::addColumn<QSize>("expectedMaxSize");
0092     QTest::addColumn<QSize>("expectedResizeIncrements");
0093     QTest::addColumn<QSize>("expectedMinAspect");
0094     QTest::addColumn<QSize>("expectedMaxAspect");
0095     QTest::addColumn<QSize>("expectedBaseSize");
0096     QTest::addColumn<qint32>("expectedGravity");
0097 
0098     QTest::newRow("userPos") << QPoint(1, 2) << QSize() << QSize() << QSize() << QSize() << QSize() << QSize() << QSize() << 0
0099                              << 1 << 1 << 2 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0100                              << QSize(0, 0) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0101     QTest::newRow("userSize") << QPoint() << QSize(1, 2) << QSize() << QSize() << QSize() << QSize() << QSize() << QSize() << 0
0102                               << 2 << 0 << 0 << 1 << 2 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0103                               << QSize(0, 0) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0104     QTest::newRow("minSize") << QPoint() << QSize() << QSize(1, 2) << QSize() << QSize() << QSize() << QSize() << QSize() << 0
0105                              << 16 << 0 << 0 << 0 << 0 << 1 << 2 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0106                              << QSize(1, 2) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0107     QTest::newRow("maxSize") << QPoint() << QSize() << QSize() << QSize(1, 2) << QSize() << QSize() << QSize() << QSize() << 0
0108                              << 32 << 0 << 0 << 0 << 0 << 0 << 0 << 1 << 2 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0109                              << QSize(0, 0) << QSize(1, 2) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0110     QTest::newRow("maxSize0") << QPoint() << QSize() << QSize() << QSize(0, 0) << QSize() << QSize() << QSize() << QSize() << 0
0111                               << 32 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0112                               << QSize(0, 0) << QSize(1, 1) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0113     QTest::newRow("min/maxSize") << QPoint() << QSize() << QSize(1, 2) << QSize(3, 4) << QSize() << QSize() << QSize() << QSize() << 0
0114                                  << 48 << 0 << 0 << 0 << 0 << 1 << 2 << 3 << 4 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0115                                  << QSize(1, 2) << QSize(3, 4) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0116     QTest::newRow("resizeInc") << QPoint() << QSize() << QSize() << QSize() << QSize(1, 2) << QSize() << QSize() << QSize() << 0
0117                                << 64 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 1 << 2 << 0 << 0 << 0 << 0 << 0 << 0
0118                                << QSize(0, 0) << QSize(INT_MAX, INT_MAX) << QSize(1, 2) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0119     QTest::newRow("resizeInc0") << QPoint() << QSize() << QSize() << QSize() << QSize(0, 0) << QSize() << QSize() << QSize() << 0
0120                                 << 64 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0121                                 << QSize(0, 0) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0122     QTest::newRow("aspect") << QPoint() << QSize() << QSize() << QSize() << QSize() << QSize(1, 2) << QSize(3, 4) << QSize() << 0
0123                             << 128 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 1 << 2 << 3 << 4 << 0 << 0
0124                             << QSize(0, 0) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, 2) << QSize(3, 4) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0125     QTest::newRow("aspectDivision0") << QPoint() << QSize() << QSize() << QSize() << QSize() << QSize(1, 0) << QSize(3, 0) << QSize() << 0
0126                                      << 128 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 1 << 0 << 3 << 0 << 0 << 0
0127                                      << QSize(0, 0) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, 1) << QSize(3, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_NORTH_WEST);
0128     QTest::newRow("baseSize") << QPoint() << QSize() << QSize() << QSize() << QSize() << QSize() << QSize() << QSize(1, 2) << 0
0129                               << 256 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 1 << 2
0130                               << QSize(1, 2) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(1, 2) << qint32(XCB_GRAVITY_NORTH_WEST);
0131     QTest::newRow("gravity") << QPoint() << QSize() << QSize() << QSize() << QSize() << QSize() << QSize() << QSize() << qint32(XCB_GRAVITY_STATIC)
0132                              << 512 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0
0133                              << QSize(0, 0) << QSize(INT_MAX, INT_MAX) << QSize(1, 1) << QSize(1, INT_MAX) << QSize(INT_MAX, 1) << QSize(0, 0) << qint32(XCB_GRAVITY_STATIC);
0134     QTest::newRow("all") << QPoint(1, 2) << QSize(3, 4) << QSize(5, 6) << QSize(7, 8) << QSize(9, 10) << QSize(11, 12) << QSize(13, 14) << QSize(15, 16) << 1
0135                          << 1011 << 1 << 2 << 3 << 4 << 5 << 6 << 7 << 8 << 9 << 10 << 11 << 12 << 13 << 14 << 15 << 16
0136                          << QSize(5, 6) << QSize(7, 8) << QSize(9, 10) << QSize(11, 12) << QSize(13, 14) << QSize(15, 16) << qint32(XCB_GRAVITY_NORTH_WEST);
0137 }
0138 
0139 void TestXcbSizeHints::testSizeHints()
0140 {
0141     xcb_size_hints_t hints;
0142     memset(&hints, 0, sizeof(hints));
0143     QFETCH(QPoint, userPos);
0144     if (!userPos.isNull()) {
0145         xcb_icccm_size_hints_set_position(&hints, 1, userPos.x(), userPos.y());
0146     }
0147     QFETCH(QSize, userSize);
0148     if (userSize.isValid()) {
0149         xcb_icccm_size_hints_set_size(&hints, 1, userSize.width(), userSize.height());
0150     }
0151     QFETCH(QSize, minSize);
0152     if (minSize.isValid()) {
0153         xcb_icccm_size_hints_set_min_size(&hints, minSize.width(), minSize.height());
0154     }
0155     QFETCH(QSize, maxSize);
0156     if (maxSize.isValid()) {
0157         xcb_icccm_size_hints_set_max_size(&hints, maxSize.width(), maxSize.height());
0158     }
0159     QFETCH(QSize, resizeInc);
0160     if (resizeInc.isValid()) {
0161         xcb_icccm_size_hints_set_resize_inc(&hints, resizeInc.width(), resizeInc.height());
0162     }
0163     QFETCH(QSize, minAspect);
0164     QFETCH(QSize, maxAspect);
0165     if (minAspect.isValid() && maxAspect.isValid()) {
0166         xcb_icccm_size_hints_set_aspect(&hints, minAspect.width(), minAspect.height(), maxAspect.width(), maxAspect.height());
0167     }
0168     QFETCH(QSize, baseSize);
0169     if (baseSize.isValid()) {
0170         xcb_icccm_size_hints_set_base_size(&hints, baseSize.width(), baseSize.height());
0171     }
0172     QFETCH(qint32, gravity);
0173     if (gravity != 0) {
0174         xcb_icccm_size_hints_set_win_gravity(&hints, (xcb_gravity_t)gravity);
0175     }
0176     xcb_icccm_set_wm_normal_hints(QX11Info::connection(), m_testWindow, &hints);
0177     xcb_flush(QX11Info::connection());
0178 
0179     Xcb::GeometryHints geoHints;
0180     geoHints.init(m_testWindow);
0181     geoHints.read();
0182     QCOMPARE(geoHints.hasAspect(), minAspect.isValid() && maxAspect.isValid());
0183     QCOMPARE(geoHints.hasBaseSize(), baseSize.isValid());
0184     QCOMPARE(geoHints.hasMaxSize(), maxSize.isValid());
0185     QCOMPARE(geoHints.hasMinSize(), minSize.isValid());
0186     QCOMPARE(geoHints.hasPosition(), !userPos.isNull());
0187     QCOMPARE(geoHints.hasResizeIncrements(), resizeInc.isValid());
0188     QCOMPARE(geoHints.hasSize(), userSize.isValid());
0189     QCOMPARE(geoHints.hasWindowGravity(), gravity != 0);
0190     QTEST(geoHints.baseSize().toSize(), "expectedBaseSize");
0191     QTEST(geoHints.maxAspect(), "expectedMaxAspect");
0192     QTEST(geoHints.maxSize().toSize(), "expectedMaxSize");
0193     QTEST(geoHints.minAspect(), "expectedMinAspect");
0194     QTEST(geoHints.minSize().toSize(), "expectedMinSize");
0195     QTEST(geoHints.resizeIncrements().toSize(), "expectedResizeIncrements");
0196     QTEST(qint32(geoHints.windowGravity()), "expectedGravity");
0197 
0198     auto sizeHints = geoHints.m_sizeHints;
0199     QVERIFY(sizeHints);
0200     QTEST(sizeHints->flags, "expectedFlags");
0201     QTEST(sizeHints->pad[0], "expectedPad0");
0202     QTEST(sizeHints->pad[1], "expectedPad1");
0203     QTEST(sizeHints->pad[2], "expectedPad2");
0204     QTEST(sizeHints->pad[3], "expectedPad3");
0205     QTEST(sizeHints->minWidth, "expectedMinWidth");
0206     QTEST(sizeHints->minHeight, "expectedMinHeight");
0207     QTEST(sizeHints->maxWidth, "expectedMaxWidth");
0208     QTEST(sizeHints->maxHeight, "expectedMaxHeight");
0209     QTEST(sizeHints->widthInc, "expectedWidthInc");
0210     QTEST(sizeHints->heightInc, "expectedHeightInc");
0211     QTEST(sizeHints->minAspect[0], "expectedMinAspectNum");
0212     QTEST(sizeHints->minAspect[1], "expectedMinAspectDen");
0213     QTEST(sizeHints->maxAspect[0], "expectedMaxAspectNum");
0214     QTEST(sizeHints->maxAspect[1], "expectedMaxAspectDen");
0215     QTEST(sizeHints->baseWidth, "expectedBaseWidth");
0216     QTEST(sizeHints->baseHeight, "expectedBaseHeight");
0217     QCOMPARE(sizeHints->winGravity, gravity);
0218 
0219     // copy
0220     Xcb::GeometryHints::NormalHints::SizeHints sizeHints2 = *sizeHints;
0221     QTEST(sizeHints2.flags, "expectedFlags");
0222     QTEST(sizeHints2.pad[0], "expectedPad0");
0223     QTEST(sizeHints2.pad[1], "expectedPad1");
0224     QTEST(sizeHints2.pad[2], "expectedPad2");
0225     QTEST(sizeHints2.pad[3], "expectedPad3");
0226     QTEST(sizeHints2.minWidth, "expectedMinWidth");
0227     QTEST(sizeHints2.minHeight, "expectedMinHeight");
0228     QTEST(sizeHints2.maxWidth, "expectedMaxWidth");
0229     QTEST(sizeHints2.maxHeight, "expectedMaxHeight");
0230     QTEST(sizeHints2.widthInc, "expectedWidthInc");
0231     QTEST(sizeHints2.heightInc, "expectedHeightInc");
0232     QTEST(sizeHints2.minAspect[0], "expectedMinAspectNum");
0233     QTEST(sizeHints2.minAspect[1], "expectedMinAspectDen");
0234     QTEST(sizeHints2.maxAspect[0], "expectedMaxAspectNum");
0235     QTEST(sizeHints2.maxAspect[1], "expectedMaxAspectDen");
0236     QTEST(sizeHints2.baseWidth, "expectedBaseWidth");
0237     QTEST(sizeHints2.baseHeight, "expectedBaseHeight");
0238     QCOMPARE(sizeHints2.winGravity, gravity);
0239 }
0240 
0241 void TestXcbSizeHints::testSizeHintsEmpty()
0242 {
0243     xcb_size_hints_t xcbHints;
0244     memset(&xcbHints, 0, sizeof(xcbHints));
0245     xcb_icccm_set_wm_normal_hints(QX11Info::connection(), m_testWindow, &xcbHints);
0246     xcb_flush(QX11Info::connection());
0247 
0248     Xcb::GeometryHints hints;
0249     hints.init(m_testWindow);
0250     hints.read();
0251     QVERIFY(!hints.hasAspect());
0252     QVERIFY(!hints.hasBaseSize());
0253     QVERIFY(!hints.hasMaxSize());
0254     QVERIFY(!hints.hasMinSize());
0255     QVERIFY(!hints.hasPosition());
0256     QVERIFY(!hints.hasResizeIncrements());
0257     QVERIFY(!hints.hasSize());
0258     QVERIFY(!hints.hasWindowGravity());
0259 
0260     QCOMPARE(hints.baseSize(), QSize(0, 0));
0261     QCOMPARE(hints.maxAspect(), QSize(INT_MAX, 1));
0262     QCOMPARE(hints.maxSize(), QSize(INT_MAX, INT_MAX));
0263     QCOMPARE(hints.minAspect(), QSize(1, INT_MAX));
0264     QCOMPARE(hints.minSize(), QSize(0, 0));
0265     QCOMPARE(hints.resizeIncrements(), QSize(1, 1));
0266     QCOMPARE(hints.windowGravity(), XCB_GRAVITY_NORTH_WEST);
0267 
0268     auto sizeHints = hints.m_sizeHints;
0269     QVERIFY(sizeHints);
0270     QCOMPARE(sizeHints->flags, 0);
0271     QCOMPARE(sizeHints->pad[0], 0);
0272     QCOMPARE(sizeHints->pad[1], 0);
0273     QCOMPARE(sizeHints->pad[2], 0);
0274     QCOMPARE(sizeHints->pad[3], 0);
0275     QCOMPARE(sizeHints->minWidth, 0);
0276     QCOMPARE(sizeHints->minHeight, 0);
0277     QCOMPARE(sizeHints->maxWidth, 0);
0278     QCOMPARE(sizeHints->maxHeight, 0);
0279     QCOMPARE(sizeHints->widthInc, 0);
0280     QCOMPARE(sizeHints->heightInc, 0);
0281     QCOMPARE(sizeHints->minAspect[0], 0);
0282     QCOMPARE(sizeHints->minAspect[1], 0);
0283     QCOMPARE(sizeHints->maxAspect[0], 0);
0284     QCOMPARE(sizeHints->maxAspect[1], 0);
0285     QCOMPARE(sizeHints->baseWidth, 0);
0286     QCOMPARE(sizeHints->baseHeight, 0);
0287     QCOMPARE(sizeHints->winGravity, 0);
0288 }
0289 
0290 void TestXcbSizeHints::testSizeHintsNotSet()
0291 {
0292     Xcb::GeometryHints hints;
0293     hints.init(m_testWindow);
0294     hints.read();
0295     QVERIFY(!hints.m_sizeHints);
0296     QVERIFY(!hints.hasAspect());
0297     QVERIFY(!hints.hasBaseSize());
0298     QVERIFY(!hints.hasMaxSize());
0299     QVERIFY(!hints.hasMinSize());
0300     QVERIFY(!hints.hasPosition());
0301     QVERIFY(!hints.hasResizeIncrements());
0302     QVERIFY(!hints.hasSize());
0303     QVERIFY(!hints.hasWindowGravity());
0304 
0305     QCOMPARE(hints.baseSize(), QSize(0, 0));
0306     QCOMPARE(hints.maxAspect(), QSize(INT_MAX, 1));
0307     QCOMPARE(hints.maxSize(), QSize(INT_MAX, INT_MAX));
0308     QCOMPARE(hints.minAspect(), QSize(1, INT_MAX));
0309     QCOMPARE(hints.minSize(), QSize(0, 0));
0310     QCOMPARE(hints.resizeIncrements(), QSize(1, 1));
0311     QCOMPARE(hints.windowGravity(), XCB_GRAVITY_NORTH_WEST);
0312 }
0313 
0314 void TestXcbSizeHints::geometryHintsBeforeInit()
0315 {
0316     Xcb::GeometryHints hints;
0317     QVERIFY(!hints.hasAspect());
0318     QVERIFY(!hints.hasBaseSize());
0319     QVERIFY(!hints.hasMaxSize());
0320     QVERIFY(!hints.hasMinSize());
0321     QVERIFY(!hints.hasPosition());
0322     QVERIFY(!hints.hasResizeIncrements());
0323     QVERIFY(!hints.hasSize());
0324     QVERIFY(!hints.hasWindowGravity());
0325 
0326     QCOMPARE(hints.baseSize(), QSize(0, 0));
0327     QCOMPARE(hints.maxAspect(), QSize(INT_MAX, 1));
0328     QCOMPARE(hints.maxSize(), QSize(INT_MAX, INT_MAX));
0329     QCOMPARE(hints.minAspect(), QSize(1, INT_MAX));
0330     QCOMPARE(hints.minSize(), QSize(0, 0));
0331     QCOMPARE(hints.resizeIncrements(), QSize(1, 1));
0332     QCOMPARE(hints.windowGravity(), XCB_GRAVITY_NORTH_WEST);
0333 }
0334 
0335 void TestXcbSizeHints::geometryHintsBeforeRead()
0336 {
0337     xcb_size_hints_t xcbHints;
0338     memset(&xcbHints, 0, sizeof(xcbHints));
0339     xcb_icccm_size_hints_set_position(&xcbHints, 1, 1, 2);
0340     xcb_icccm_set_wm_normal_hints(QX11Info::connection(), m_testWindow, &xcbHints);
0341     xcb_flush(QX11Info::connection());
0342 
0343     Xcb::GeometryHints hints;
0344     hints.init(m_testWindow);
0345     QVERIFY(!hints.hasAspect());
0346     QVERIFY(!hints.hasBaseSize());
0347     QVERIFY(!hints.hasMaxSize());
0348     QVERIFY(!hints.hasMinSize());
0349     QVERIFY(!hints.hasPosition());
0350     QVERIFY(!hints.hasResizeIncrements());
0351     QVERIFY(!hints.hasSize());
0352     QVERIFY(!hints.hasWindowGravity());
0353 
0354     QCOMPARE(hints.baseSize(), QSize(0, 0));
0355     QCOMPARE(hints.maxAspect(), QSize(INT_MAX, 1));
0356     QCOMPARE(hints.maxSize(), QSize(INT_MAX, INT_MAX));
0357     QCOMPARE(hints.minAspect(), QSize(1, INT_MAX));
0358     QCOMPARE(hints.minSize(), QSize(0, 0));
0359     QCOMPARE(hints.resizeIncrements(), QSize(1, 1));
0360     QCOMPARE(hints.windowGravity(), XCB_GRAVITY_NORTH_WEST);
0361 }
0362 
0363 Q_CONSTRUCTOR_FUNCTION(forceXcb)
0364 QTEST_MAIN(TestXcbSizeHints)
0365 #include "test_xcb_size_hints.moc"