diff options
Diffstat (limited to 'tests/auto/client/scaling')
-rw-r--r-- | tests/auto/client/scaling/CMakeLists.txt | 10 | ||||
-rw-r--r-- | tests/auto/client/scaling/tst_scaling.cpp | 134 |
2 files changed, 144 insertions, 0 deletions
diff --git a/tests/auto/client/scaling/CMakeLists.txt b/tests/auto/client/scaling/CMakeLists.txt new file mode 100644 index 000000000..e58981388 --- /dev/null +++ b/tests/auto/client/scaling/CMakeLists.txt @@ -0,0 +1,10 @@ +##################################################################### +## tst_scaling Test: +##################################################################### + +qt_internal_add_test(tst_scaling + SOURCES + tst_scaling.cpp + LIBRARIES + SharedClientTest +) diff --git a/tests/auto/client/scaling/tst_scaling.cpp b/tests/auto/client/scaling/tst_scaling.cpp new file mode 100644 index 000000000..b4d2995ea --- /dev/null +++ b/tests/auto/client/scaling/tst_scaling.cpp @@ -0,0 +1,134 @@ +// Copyright (C) 2022 David Edmundson <davidedmundson@kde.org> +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only + +#include "mockcompositor.h" +#include <QtGui/QRasterWindow> +#include <QtGui/qpa/qplatformnativeinterface.h> +#include <QtWaylandClient/private/wayland-wayland-client-protocol.h> +#include <QtWaylandClient/private/qwaylandwindow_p.h> + +using namespace MockCompositor; + +class tst_scaling : public QObject, private DefaultCompositor +{ + Q_OBJECT +private slots: + void init(); + void cleanup() { QTRY_VERIFY2(isClean(), qPrintable(dirtyMessage())); } + void scaledWindow(); + void roundingPolicy_data(); + void roundingPolicy(); + +}; + +void tst_scaling::init() +{ + setenv("QT_WAYLAND_DISABLE_WINDOWDECORATION", "1", 1); +} + +void tst_scaling::scaledWindow() +{ + QRasterWindow window; + window.resize(100, 100); + window.show(); + QCOMPOSITOR_TRY_VERIFY(xdgToplevel()); + + QSignalSpy configureSpy(exec([&] { return xdgSurface(); }), &XdgSurface::configureCommitted); + QSignalSpy surfaceCommitSpy(exec([&] { return surface(); }), &Surface::commit); + + const QSize configureSize(100, 100); + + exec([&] { + QVERIFY(fractionalScale()); + fractionalScale()->send_preferred_scale(1.5 * 120); + xdgToplevel()->sendCompleteConfigure(configureSize); + }); + + QTRY_COMPARE(configureSpy.count(), 1); + QCOMPARE(window.devicePixelRatio(), 1.5); + + exec([&] { + Buffer *buffer = xdgToplevel()->surface()->m_committed.buffer; + QVERIFY(buffer); + QCOMPARE(buffer->size(), QSize(150, 150)); + Viewport *vp = viewport(); + QVERIFY(vp); + QCOMPARE(vp->m_destination, QSize(100, 100)); + }); + + // resize the window + window.resize(200,200); + QCOMPARE(window.size(), QSize(200,200)); + + QVERIFY(surfaceCommitSpy.wait()); + exec([&] { + Buffer *buffer = xdgToplevel()->surface()->m_committed.buffer; + QVERIFY(buffer); + QCOMPARE(buffer->size(), QSize(300, 300)); + Viewport *vp = viewport(); + QVERIFY(vp); + QCOMPARE(vp->m_destination, QSize(200, 200)); + }); + + // dynamic scale change + exec([&] { + QVERIFY(fractionalScale()); + fractionalScale()->send_preferred_scale(2.5 * 120); + }); + QTRY_COMPARE(window.devicePixelRatio(), 2.5); + QCOMPARE(window.size(), QSize(200,200)); + + QVERIFY(surfaceCommitSpy.wait()); + exec([&] { + Buffer *buffer = xdgToplevel()->surface()->m_committed.buffer; + QVERIFY(buffer); + QCOMPARE(buffer->size(), QSize(500, 500)); + Viewport *vp = viewport(); + QVERIFY(vp); + QCOMPARE(vp->m_destination, QSize(200, 200)); + }); +} + +void tst_scaling::roundingPolicy_data() +{ + QTest::addColumn<QSize>("windowSize"); + QTest::addColumn<qreal>("scale"); + QTest::addColumn<QSize>("expectedBufferSize"); + + QTest::newRow("1.125 - round down") << QSize(10, 10) << 1.125 << QSize(11,11); + QTest::newRow("1.25 - round up") << QSize(10, 10) << 1.25 << QSize(13,13); + QTest::newRow("1.5 - don't round") << QSize(10, 10) << 1.5 << QSize(15,15); +} + +void tst_scaling::roundingPolicy() +{ + QFETCH(QSize, windowSize); + QFETCH(qreal, scale); + QFETCH(QSize, expectedBufferSize); + + + QRasterWindow window; + window.resize(windowSize); + window.show(); + QCOMPOSITOR_TRY_VERIFY(xdgToplevel()); + + QSignalSpy surfaceCommitSpy(exec([&] { return surface(); }), &Surface::commit); + + exec([&] { + QVERIFY(fractionalScale()); + fractionalScale()->send_preferred_scale(scale * 120); + xdgToplevel()->sendCompleteConfigure(); + }); + + QVERIFY(surfaceCommitSpy.wait()); + + exec([&] { + Buffer *buffer = xdgToplevel()->surface()->m_committed.buffer; + QVERIFY(buffer); + QCOMPARE(buffer->size(), expectedBufferSize); + }); +} + + +QCOMPOSITOR_TEST_MAIN(tst_scaling) +#include "tst_scaling.moc" |