add test for ImportUnloadedGraphic and GraphicDescriptor

Change-Id: Ibe4d7661462b0a7039fdd09b6a7b619bd0c0362b
Reviewed-on: https://gerrit.libreoffice.org/53584
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

2 files changed, 195 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/GraphicDescriptorTest.cxx b/vcl/qa/cppunit/GraphicDescriptorTest.cxx
new file mode 100644
index 000000000000..c858fe2e942c
--- /dev/null
+++ b/vcl/qa/cppunit/GraphicDescriptorTest.cxx
@@ -0,0 +1,105 @@
+/* -*- 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/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+
+#include <vcl/graph.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <tools/stream.hxx>
+
+using namespace css;
+
+namespace
+{
+class GraphicDescriptorTest : public CppUnit::TestFixture
+{
+    void testDetectPNG();
+    void testDetectJPG();
+    void testDetectGIF();
+
+    CPPUNIT_TEST_SUITE(GraphicDescriptorTest);
+    CPPUNIT_TEST(testDetectPNG);
+    CPPUNIT_TEST(testDetectJPG);
+    CPPUNIT_TEST(testDetectGIF);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+BitmapEx createBitmap()
+{
+    Bitmap aBitmap(Size(100, 100), 24);
+    aBitmap.Erase(COL_LIGHTRED);
+
+    return BitmapEx(aBitmap);
+}
+
+void createBitmapAndExportForType(SvStream& rStream, OUString const& sType)
+{
+    BitmapEx aBitmapEx = createBitmap();
+
+    uno::Sequence<beans::PropertyValue> aFilterData;
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    sal_uInt16 nFilterFormat = rGraphicFilter.GetExportFormatNumberForShortName(sType);
+    rGraphicFilter.ExportGraphic(aBitmapEx, "none", rStream, nFilterFormat, &aFilterData);
+
+    rStream.Seek(STREAM_SEEK_TO_BEGIN);
+}
+
+void GraphicDescriptorTest::testDetectPNG()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, "png");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::PNG, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(100L, aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(100L, aDescriptor.GetSizePixel().Height());
+}
+
+void GraphicDescriptorTest::testDetectJPG()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, "jpg");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::JPG, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(100L, aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(100L, aDescriptor.GetSizePixel().Height());
+}
+
+void GraphicDescriptorTest::testDetectGIF()
+{
+    SvMemoryStream aStream;
+    createBitmapAndExportForType(aStream, "gif");
+
+    GraphicDescriptor aDescriptor(aStream, nullptr);
+    aDescriptor.Detect(true);
+
+    CPPUNIT_ASSERT_EQUAL(GraphicFileFormat::GIF, aDescriptor.GetFileFormat());
+
+    CPPUNIT_ASSERT_EQUAL(100L, aDescriptor.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(100L, aDescriptor.GetSizePixel().Height());
+}
+
+} // namespace
+
+CPPUNIT_TEST_SUITE_REGISTRATION(GraphicDescriptorTest);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/qa/cppunit/GraphicTest.cxx b/vcl/qa/cppunit/GraphicTest.cxx
new file mode 100644
index 000000000000..d039ba1dec25
--- /dev/null
+++ b/vcl/qa/cppunit/GraphicTest.cxx
@@ -0,0 +1,90 @@
+/* -*- 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/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <vcl/graph.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <tools/stream.hxx>
+#include <vcl/pngwrite.hxx>
+
+namespace
+{
+class GraphicTest : public CppUnit::TestFixture
+{
+    void testUnloadedGraphic();
+
+    CPPUNIT_TEST_SUITE(GraphicTest);
+    CPPUNIT_TEST(testUnloadedGraphic);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+BitmapEx createBitmap()
+{
+    Bitmap aBitmap(Size(100, 100), 24);
+    aBitmap.Erase(COL_LIGHTRED);
+
+    return BitmapEx(aBitmap);
+}
+
+void createBitmapAndExportToPNG(SvStream& rStream)
+{
+    BitmapEx aBitmapEx = createBitmap();
+
+    vcl::PNGWriter aWriter(aBitmapEx);
+    aWriter.Write(rStream);
+
+    rStream.Seek(STREAM_SEEK_TO_BEGIN);
+}
+
+Graphic makeUnloadedGraphic()
+{
+    SvMemoryStream aStream;
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    createBitmapAndExportToPNG(aStream);
+    return rGraphicFilter.ImportUnloadedGraphic(aStream);
+}
+
+void GraphicTest::testUnloadedGraphic()
+{
+    // make unloaded test graphic
+    Graphic aGraphic = makeUnloadedGraphic();
+    Graphic aGraphic2 = aGraphic;
+
+    // check available
+    CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable());
+    CPPUNIT_ASSERT_EQUAL(false, aGraphic2.isAvailable());
+
+    CPPUNIT_ASSERT_EQUAL(true, aGraphic2.makeAvailable());
+    CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable());
+    CPPUNIT_ASSERT_EQUAL(true, aGraphic2.isAvailable());
+
+    // check GetSizePixel doesn't load graphic
+    aGraphic = makeUnloadedGraphic();
+    CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable());
+    CPPUNIT_ASSERT_EQUAL(100L, aGraphic.GetSizePixel().Width());
+    CPPUNIT_ASSERT_EQUAL(100L, aGraphic.GetSizePixel().Height());
+    CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable());
+
+    // check GetSizeBytes loads graphic
+    CPPUNIT_ASSERT_EQUAL(false, aGraphic.isAvailable());
+    CPPUNIT_ASSERT(aGraphic.GetSizeBytes() > 0);
+    CPPUNIT_ASSERT_EQUAL(true, aGraphic.isAvailable());
+}
+
+} // namespace
+
+CPPUNIT_TEST_SUITE_REGISTRATION(GraphicTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */