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xcb: add manual test for xrandr scale

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This amends 9a4c98e556.

Change-Id: Ief86d141efa8f87d624c6ba935cb4d9c0b2ead0f
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
This commit is contained in:
Liang Qi 2021-09-02 12:20:26 +02:00
parent 8c2fda1ef5
commit 5c779f207f
1 changed files with 70 additions and 3 deletions
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73
tests/manual/qscreen_xrandr/tst_qscreen_xrandr.cpp
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@ -39,17 +39,19 @@ class tst_QScreen_Xrandr: public QObject
Q_OBJECT
private slots:
void xrandr_15();
void xrandr_15_merge_and_unmerge();
void xrandr_15_scale();
};
// this test requires an X11 desktop with at least two screens
void tst_QScreen_Xrandr::xrandr_15()
void tst_QScreen_Xrandr::xrandr_15_merge_and_unmerge()
{
QStringList originalScreenNames;
QStringList mergedScreenNames;
{
QList<QScreen *> screens = QGuiApplication::screens();
QVERIFY(screens.size() >= 2);
if (screens.size() < 2)
QSKIP("This test requires two or more screens.");
qDebug() << "initial set of screens:" << screens.size();
for (QScreen *s : screens) {
qDebug() << "screen: " << s->name();
@ -106,5 +108,70 @@ void tst_QScreen_Xrandr::xrandr_15()
QCOMPARE(QGuiApplication::screens().size(), originalScreenNames.size());
}
// try to scale the first screen to 1.5x1.5 and scale back to 1x1
void tst_QScreen_Xrandr::xrandr_15_scale()
{
QList<QScreen *> screens = QGuiApplication::screens();
if (screens.size() < 1)
QSKIP("This test requires at least one screen.");
QScreen *screen1 = screens.at(0);
QString name1 = screen1->name();
int height1 = screen1->size().height();
int width1 = screen1->size().width();
qDebug() << "screen " << name1 << ": height=" << height1 << ", width=" << width1;
int expectedHeight = height1 * 1.5;
int expectedWidth = width1 * 1.5;
QSignalSpy geometryChangedSpy1(screen1, &QScreen::geometryChanged);
// "xrandr --output name1 --scale 1.5x1.5"
QString prog1 = "xrandr";
QStringList args1;
args1 << "--output" << name1 << "--scale" << "1.5x1.5";
QProcess *myProcess1 = new QProcess(this);
myProcess1->start(prog1, args1);
QVERIFY(myProcess1->waitForFinished());
QTRY_COMPARE(geometryChangedSpy1.count(), 1);
QList<QScreen *> screens2 = QGuiApplication::screens();
QVERIFY(screens2.size() >= 1);
QScreen *screen2 = nullptr;
for (QScreen *s : screens2) {
if (s->name() == name1)
screen2 = s;
}
int height2 = screen2->size().height();
int width2 = screen2->size().width();
qDebug() << "screen " << name1 << ": height=" << height2 << ", width=" << width2;
QVERIFY(height2 == expectedHeight);
QVERIFY(width2 == expectedWidth);
QSignalSpy geometryChangedSpy2(screen2, &QScreen::geometryChanged);
// "xrandr --output name1 --scale 1x1"
QString prog2 = "xrandr";
QStringList args2;
args2 << "--output" << name1 << "--scale" << "1x1";
QProcess *myProcess2 = new QProcess(this);
myProcess2->start(prog2, args2);
QVERIFY(myProcess2->waitForFinished());
QTRY_COMPARE(geometryChangedSpy2.count(), 1);
QList<QScreen *> screens3 = QGuiApplication::screens();
QVERIFY(screens3.size() >= 1);
QScreen *screen3 = nullptr;
for (QScreen *s : screens3) {
if (s->name() == name1)
screen3 = s;
}
int height3 = screen3->size().height();
int width3 = screen3->size().width();
qDebug() << "screen " << name1 << ": height=" << height3 << ", width=" << width3;
QVERIFY(height3 == height1);
QVERIFY(width3 == width1);
}
#include <tst_qscreen_xrandr.moc>
QTEST_MAIN(tst_QScreen_Xrandr);