/* KWin - the KDE window manager This file is part of the KDE project. SPDX-FileCopyrightText: 2016 Martin Gräßlin SPDX-License-Identifier: GPL-2.0-or-later */ #include "kwin_wayland_test.h" #include "composite.h" #include "core/output.h" #include "core/platform.h" #include "core/renderbackend.h" #include "cursor.h" #include "wayland_server.h" #include "workspace.h" #include "x11window.h" #include #include #include namespace KWin { static const QString s_socketName = QStringLiteral("wayland_test_kwin_dont_crash_empty_decoration-0"); class DontCrashEmptyDecorationTest : public QObject { Q_OBJECT private Q_SLOTS: void initTestCase(); void init(); void testBug361551(); }; void DontCrashEmptyDecorationTest::initTestCase() { qRegisterMetaType(); QSignalSpy applicationStartedSpy(kwinApp(), &Application::started); QVERIFY(applicationStartedSpy.isValid()); kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024)); QVERIFY(waylandServer()->init(s_socketName)); QMetaObject::invokeMethod(kwinApp()->platform(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(int, 2)); // this test needs to enforce OpenGL compositing to get into the crashy condition qputenv("KWIN_COMPOSE", QByteArrayLiteral("O2")); kwinApp()->start(); QVERIFY(applicationStartedSpy.wait()); const auto outputs = workspace()->outputs(); QCOMPARE(outputs.count(), 2); QCOMPARE(outputs[0]->geometry(), QRect(0, 0, 1280, 1024)); QCOMPARE(outputs[1]->geometry(), QRect(1280, 0, 1280, 1024)); setenv("QT_QPA_PLATFORM", "wayland", true); QCOMPARE(Compositor::self()->backend()->compositingType(), KWin::OpenGLCompositing); } void DontCrashEmptyDecorationTest::init() { workspace()->setActiveOutput(QPoint(640, 512)); Cursors::self()->mouse()->setPos(QPoint(640, 512)); } void DontCrashEmptyDecorationTest::testBug361551() { // this test verifies that resizing an X11 window to an invalid size does not result in crash on unmap // when the DecorationRenderer gets copied to the Deleted // there a repaint is scheduled and the resulting texture is invalid if the window size is invalid // create an xcb window xcb_connection_t *c = xcb_connect(nullptr, nullptr); QVERIFY(!xcb_connection_has_error(c)); xcb_window_t windowId = xcb_generate_id(c); xcb_create_window(c, XCB_COPY_FROM_PARENT, windowId, rootWindow(), 0, 0, 10, 10, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, 0, nullptr); xcb_map_window(c, windowId); xcb_flush(c); // we should get a window for it QSignalSpy windowCreatedSpy(workspace(), &Workspace::windowAdded); QVERIFY(windowCreatedSpy.isValid()); QVERIFY(windowCreatedSpy.wait()); X11Window *window = windowCreatedSpy.first().first().value(); QVERIFY(window); QCOMPARE(window->window(), windowId); QVERIFY(window->isDecorated()); // let's set a stupid geometry window->moveResize({0, 0, 0, 0}); QCOMPARE(window->frameGeometry(), QRect(0, 0, 0, 0)); // and destroy the window again xcb_unmap_window(c, windowId); xcb_destroy_window(c, windowId); xcb_flush(c); xcb_disconnect(c); QSignalSpy windowClosedSpy(window, &X11Window::windowClosed); QVERIFY(windowClosedSpy.isValid()); QVERIFY(windowClosedSpy.wait()); } } WAYLANDTEST_MAIN(KWin::DontCrashEmptyDecorationTest) #include "dont_crash_empty_deco.moc"