Add simple offscreen qpa test

Task-number: QTBUG-63346
Change-Id: Ie33cea29ca4e274070f3fa52aef499f02a080108
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

3 files changed, 68 insertions, 1 deletions

diff --git a/tests/auto/widgets/offscreen/offscreen.pro b/tests/auto/widgets/offscreen/offscreen.pro
new file mode 100644
index 000000000..b8e5632f9
--- /dev/null
+++ b/tests/auto/widgets/offscreen/offscreen.pro
@@ -0,0 +1,6 @@
+include(../tests.pri)
+QT += webengine
+qpa.name = QT_QPA_PLATFORM
+qpa.value = offscreen
+QT_TOOL_ENV += qpa
+
diff --git a/tests/auto/widgets/offscreen/tst_offscreen.cpp b/tests/auto/widgets/offscreen/tst_offscreen.cpp
new file mode 100644
index 000000000..98cbe55fe
--- /dev/null
+++ b/tests/auto/widgets/offscreen/tst_offscreen.cpp
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtwebengineglobal.h"
+#include <QTest>
+#include <QSignalSpy>
+#include <QWebEngineProfile>
+#include <QWebEnginePage>
+#include <QWebEngineView>
+
+class tst_OffScreen : public QObject {
+    Q_OBJECT
+public:
+    tst_OffScreen(){}
+
+private slots:
+    void offscreen();
+};
+
+void tst_OffScreen::offscreen()
+{
+    QWebEngineProfile profile;
+    QWebEnginePage page(&profile);
+    QWebEngineView view;
+    QSignalSpy loadFinishedSpy(&page, SIGNAL(loadFinished(bool)));
+    view.setPage(&page);
+    page.load(QUrl("http://qt.io"));
+    view.show();
+    QTRY_COMPARE(view.isVisible(), true);
+    QTRY_COMPARE_WITH_TIMEOUT(loadFinishedSpy.count() > 0, true, 20000);
+}
+
+#include "tst_offscreen.moc"
+QTEST_MAIN(tst_OffScreen)
+
diff --git a/tests/auto/widgets/widgets.pro b/tests/auto/widgets/widgets.pro
index 3f0e6dc3b..f612e2c2d 100644
--- a/tests/auto/widgets/widgets.pro
+++ b/tests/auto/widgets/widgets.pro
@@ -8,6 +8,7 @@ SUBDIRS += \
     devtools \
     faviconmanager \
     loadsignals \
+    offscreen \
     origins \
     proxy \
     proxypac \
@@ -42,4 +43,4 @@ boot2qt: SUBDIRS -= accessibility defaultsurfaceformat devtools \
                     faviconmanager qwebenginepage qwebenginehistory \
                     qwebengineprofile qwebenginescript \
                     qwebengineview qwebenginedownloaditem qwebenginesettings \
-                    schemes origins loadsignals proxy proxypac
+                    schemes origins loadsignals proxy proxypac offscreen