add test for swapping of GraphicObject

Change-Id: I341f52e5dfedb61130545cf30ff61e891abc7e04

2 files changed, 129 insertions, 0 deletions

diff --git a/svtools/qa/unit/GraphicObjectTest.cxx b/svtools/qa/unit/GraphicObjectTest.cxx
new file mode 100644
index 000000000000..fac7c8005bb6
--- /dev/null
+++ b/svtools/qa/unit/GraphicObjectTest.cxx
@@ -0,0 +1,129 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#include <cppunit/extensions/HelperMacros.h>
+#include "cppunit/plugin/TestPlugIn.h"
+
+#include <svtools/grfmgr.hxx>
+
+#include <test/bootstrapfixture.hxx>
+
+#include <tools/stream.hxx>
+
+#include <vcl/image.hxx>
+
+namespace
+{
+
+class GraphicObjectTest: public test::BootstrapFixture
+{
+
+public:
+    void testSwap();
+
+private:
+    DECL_LINK(getLinkStream, GraphicObject*);
+
+private:
+    CPPUNIT_TEST_SUITE(GraphicObjectTest);
+    CPPUNIT_TEST(testSwap);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+static const char aGraphicFile[] = "/svtools/qa/unit/data/graphic.png";
+static const sal_uLong nGraphicSizeBytes = 4800;
+
+const Graphic lcl_loadGraphic(const rtl::OUString &rUrl)
+{
+    const Image aImage(rUrl);
+    return Graphic(aImage.GetBitmapEx());
+}
+
+IMPL_LINK(GraphicObjectTest, getLinkStream, GraphicObject*, /*pGraphObj*/)
+{
+    return reinterpret_cast<sal_IntPtr>(GRFMGR_AUTOSWAPSTREAM_LINK);
+}
+
+void GraphicObjectTest::testSwap()
+{
+    // simple non-linked case
+    {
+        GraphicObject aGraphObj(lcl_loadGraphic(getURLFromSrc(aGraphicFile)));
+        CPPUNIT_ASSERT(!aGraphObj.HasSwapStreamHdl());
+        CPPUNIT_ASSERT(!aGraphObj.IsSwappedOut());
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj.GetGraphic().GetSizeBytes());
+        // swap out
+        CPPUNIT_ASSERT(aGraphObj.SwapOut());
+        CPPUNIT_ASSERT(aGraphObj.IsSwappedOut());
+        // swap in
+        CPPUNIT_ASSERT(aGraphObj.SwapIn());
+        CPPUNIT_ASSERT(!aGraphObj.IsSwappedOut());
+        // the data are still there
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj.GetGraphic().GetSizeBytes());
+    }
+
+    // linked case
+    {
+        GraphicObject aGraphObj(lcl_loadGraphic(getURLFromSrc(aGraphicFile)));
+        aGraphObj.SetSwapStreamHdl(LINK(this, GraphicObjectTest, getLinkStream));
+
+        CPPUNIT_ASSERT(aGraphObj.HasSwapStreamHdl());
+        CPPUNIT_ASSERT(!aGraphObj.IsSwappedOut());
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj.GetGraphic().GetSizeBytes());
+        // swap out
+        CPPUNIT_ASSERT(aGraphObj.SwapOut());
+        CPPUNIT_ASSERT(aGraphObj.IsSwappedOut());
+        // swap in
+        CPPUNIT_ASSERT(aGraphObj.SwapIn());
+        CPPUNIT_ASSERT(!aGraphObj.IsSwappedOut());
+        // the data are still there
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj.GetGraphic().GetSizeBytes());
+    }
+
+    // combination of two GraphicObjects
+    {
+        GraphicObject aGraphObj(lcl_loadGraphic(getURLFromSrc(aGraphicFile)));
+
+        GraphicObject aGraphObj2(aGraphObj);
+        aGraphObj2.SetSwapStreamHdl(LINK(this, GraphicObjectTest, getLinkStream));
+
+        CPPUNIT_ASSERT(!aGraphObj.IsSwappedOut());
+        CPPUNIT_ASSERT(!aGraphObj2.IsSwappedOut());
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj.GetGraphic().GetSizeBytes());
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj2.GetGraphic().GetSizeBytes());
+
+        // GraphicObjects never share the same Graphic. A new one is created as one step during
+        // registration of the GraphicObject at GraphicManager.
+
+        // swap out
+        CPPUNIT_ASSERT(aGraphObj.SwapOut());
+        CPPUNIT_ASSERT(aGraphObj.IsSwappedOut());
+        CPPUNIT_ASSERT(!aGraphObj2.IsSwappedOut());
+        CPPUNIT_ASSERT(aGraphObj2.SwapOut());
+        CPPUNIT_ASSERT(aGraphObj2.IsSwappedOut());
+        // swap in
+        CPPUNIT_ASSERT(aGraphObj2.SwapIn());
+        CPPUNIT_ASSERT(!aGraphObj2.IsSwappedOut());
+        CPPUNIT_ASSERT(aGraphObj.IsSwappedOut());
+        CPPUNIT_ASSERT(aGraphObj.SwapIn());
+        CPPUNIT_ASSERT(!aGraphObj.IsSwappedOut());
+        // the data are still there
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj.GetGraphic().GetSizeBytes());
+        CPPUNIT_ASSERT_EQUAL(nGraphicSizeBytes, aGraphObj2.GetGraphic().GetSizeBytes());
+    }
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(GraphicObjectTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svtools/qa/unit/data/graphic.png b/svtools/qa/unit/data/graphic.png
new file mode 100644
index 000000000000..cbba93bedd81
--- /dev/null
+++ b/svtools/qa/unit/data/graphic.png