Implement MockRegion

If we don't mock regions, we get a crash every time that a client calls
createRegion.
So far regions are untested.

Change-Id: I83f20b879ece5cefcf2039d369034516df6a6a62
Reviewed-by: David Edmundson <davidedmundson@kde.org>
(cherry picked from commit 2cb631894332eff4604cbb031d77a4fedd461148)

5 files changed, 137 insertions, 3 deletions

diff --git a/tests/auto/client/shared_old/mockcompositor.cpp b/tests/auto/client/shared_old/mockcompositor.cpp
index 9553076dd..a415cbf56 100644
--- a/tests/auto/client/shared_old/mockcompositor.cpp
+++ b/tests/auto/client/shared_old/mockcompositor.cpp
@@ -382,9 +382,9 @@ static void compositor_create_surface(wl_client *client, wl_resource *compositor
 
 static void compositor_create_region(wl_client *client, wl_resource *compositorResource, uint32_t id)
 {
-    Q_UNUSED(client);
-    Q_UNUSED(compositorResource);
-    Q_UNUSED(id);
+    Compositor *compositor =
+            static_cast<Compositor *>(wl_resource_get_user_data(compositorResource));
+    new Region(client, id, wl_resource_get_version(compositorResource), compositor);
 }
 
 void Compositor::bindCompositor(wl_client *client, void *compositorData, uint32_t version, uint32_t id)
diff --git a/tests/auto/client/shared_old/mockcompositor.h b/tests/auto/client/shared_old/mockcompositor.h
index 2433ac005..277e7e4e3 100644
--- a/tests/auto/client/shared_old/mockcompositor.h
+++ b/tests/auto/client/shared_old/mockcompositor.h
@@ -32,12 +32,15 @@
 #include "mockxdgshellv6.h"
 #include "mockiviapplication.h"
 #include "mockfullscreenshellv1.h"
+#include "mockregion.h"
 
 #include <pthread.h>
 #include <qglobal.h>
 #include <wayland-server-core.h>
 
 #include <QImage>
+#include <QRegion>
+#include <QList>
 #include <QMutex>
 #include <QRect>
 #include <QSharedPointer>
@@ -61,6 +64,7 @@ class Output;
 class IviApplication;
 class WlShell;
 class XdgShellV6;
+class Region;
 
 class Compositor
 {
@@ -159,6 +163,21 @@ private:
 
 Q_DECLARE_METATYPE(QSharedPointer<MockSurface>)
 
+class MockRegion
+{
+public:
+    Impl::Region *handle() const { return m_region; }
+
+private:
+    MockRegion(Impl::Region *region);
+    friend class Impl::Compositor;
+    friend class Impl::Region;
+
+    Impl::Region *m_region = nullptr;
+};
+
+Q_DECLARE_METATYPE(QSharedPointer<MockRegion>)
+
 class MockIviSurface
 {
 public:
diff --git a/tests/auto/client/shared_old/mockregion.cpp b/tests/auto/client/shared_old/mockregion.cpp
new file mode 100644
index 000000000..78b457fae
--- /dev/null
+++ b/tests/auto/client/shared_old/mockregion.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 Aleix Pol Gonzalez <aleixpol@kde.org>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite 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 "mockregion.h"
+#include "mockcompositor.h"
+
+namespace Impl {
+
+Region::Region(wl_client *client, uint32_t id, int v, Compositor *compositor)
+    : QtWaylandServer::wl_region(client, id, v),
+      m_compositor(compositor),
+      m_mockRegion(new MockRegion(this))
+{
+}
+
+Region::~Region() = default;
+
+void Region::region_destroy_resource(Resource *resource)
+{
+    Q_UNUSED(resource)
+    delete this;
+}
+
+}
+
+MockRegion::MockRegion(Impl::Region *region) : m_region(region) { }
diff --git a/tests/auto/client/shared_old/mockregion.h b/tests/auto/client/shared_old/mockregion.h
new file mode 100644
index 000000000..f98a25fbb
--- /dev/null
+++ b/tests/auto/client/shared_old/mockregion.h
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 Aleix Pol Gonzalez <aleixpol@kde.org>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MOCKREGION_H
+#define MOCKREGION_H
+
+#include <qglobal.h>
+#include <QSharedPointer>
+
+#include "qwayland-server-wayland.h"
+
+class MockRegion;
+
+namespace Impl {
+
+class Compositor;
+
+class Region : public QtWaylandServer::wl_region
+{
+public:
+    Region(wl_client *client, uint32_t id, int v, Compositor *compositor);
+    ~Region();
+
+    Compositor *compositor() const { return m_compositor; }
+    static Region *fromResource(struct ::wl_resource *resource);
+
+protected:
+    void region_destroy_resource(Resource *resource) override;
+
+private:
+    Compositor *m_compositor = nullptr;
+    QSharedPointer<MockRegion> m_mockRegion;
+};
+
+}
+
+#endif // MOCKREGION_H
diff --git a/tests/auto/client/shared_old/shared_old.pri b/tests/auto/client/shared_old/shared_old.pri
index 467e98115..7647e1e45 100644
--- a/tests/auto/client/shared_old/shared_old.pri
+++ b/tests/auto/client/shared_old/shared_old.pri
@@ -21,6 +21,7 @@ SOURCES += \
     ../shared_old/mockwlshell.cpp \
     ../shared_old/mockxdgshellv6.cpp \
     ../shared_old/mocksurface.cpp \
+    ../shared_old/mockregion.cpp \
     ../shared_old/mockoutput.cpp
 
 HEADERS += \
@@ -31,4 +32,5 @@ HEADERS += \
     ../shared_old/mockwlshell.h \
     ../shared_old/mockxdgshellv6.h \
     ../shared_old/mocksurface.h \
+    ../shared_old/mockregion.h \
     ../shared_old/mockoutput.h