vcl: test Graphic serialization to a stream - WriteGraphic funct.

Change-Id: Ic365d27e9ef1c676e47de22b8949b5679c0a2841
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93326
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

2 files changed, 103 insertions, 12 deletions

diff --git a/vcl/CppunitTest_vcl_type_serializer_test.mk b/vcl/CppunitTest_vcl_type_serializer_test.mk
index aa4a36e2ee32..b2d78c34a6a1 100644
--- a/vcl/CppunitTest_vcl_type_serializer_test.mk
+++ b/vcl/CppunitTest_vcl_type_serializer_test.mk
@@ -33,18 +33,9 @@ $(eval $(call gb_CppunitTest_use_libraries,vcl_type_serializer_test, \
 ))
 
 $(eval $(call gb_CppunitTest_use_sdk_api,vcl_type_serializer_test))
-
+$(eval $(call gb_CppunitTest_use_rdb,vcl_type_serializer_test,services))
 $(eval $(call gb_CppunitTest_use_ure,vcl_type_serializer_test))
 $(eval $(call gb_CppunitTest_use_vcl,vcl_type_serializer_test))
-
-$(eval $(call gb_CppunitTest_use_components,vcl_type_serializer_test,\
-    configmgr/source/configmgr \
-    i18npool/util/i18npool \
-    ucb/source/core/ucb1 \
-    ucb/source/ucp/file/ucpfile1 \
-    uui/util/uui \
-))
-
 $(eval $(call gb_CppunitTest_use_configuration,vcl_type_serializer_test))
 
 # vim: set noet sw=4 ts=4:
diff --git a/vcl/qa/cppunit/TypeSerializerTest.cxx b/vcl/qa/cppunit/TypeSerializerTest.cxx
index cf5985211076..e5d3a259f803 100644
--- a/vcl/qa/cppunit/TypeSerializerTest.cxx
+++ b/vcl/qa/cppunit/TypeSerializerTest.cxx
@@ -7,23 +7,57 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#include <config_features.h>
+
 #include <cppunit/TestAssert.h>
 #include <cppunit/TestFixture.h>
 #include <cppunit/extensions/HelperMacros.h>
 #include <cppunit/plugin/TestPlugIn.h>
-#include <config_features.h>
-#include <vcl/dllapi.h>
+
+#include <unotest/directories.hxx>
+#include <vcl/graph.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <comphelper/hash.hxx>
+#include <tools/vcompat.hxx>
+#include <comphelper/fileformat.h>
 
 #include <TypeSerializer.hxx>
 
 namespace
 {
+constexpr char DATA_DIRECTORY[] = "/vcl/qa/cppunit/data/";
+
+std::vector<unsigned char> calculateHash(SvStream& rStream)
+{
+    rStream.Seek(STREAM_SEEK_TO_BEGIN);
+    comphelper::Hash aHashEngine(comphelper::HashType::SHA1);
+    const sal_uInt32 nSize(rStream.remainingSize());
+    std::vector<sal_uInt8> aData(nSize);
+    aHashEngine.update(aData.data(), nSize);
+    return aHashEngine.finalize();
+}
+
+std::string toHexString(const std::vector<unsigned char>& a)
+{
+    std::stringstream aStrm;
+    for (auto& i : a)
+    {
+        aStrm << std::setw(2) << std::setfill('0') << std::hex << static_cast<int>(i);
+    }
+
+    return aStrm.str();
+}
+
 class TypeSerializerTest : public CppUnit::TestFixture
 {
     void testGradient();
+    void testGraphic();
+    void testGraphic_Bitmap_NoGfxLink();
 
     CPPUNIT_TEST_SUITE(TypeSerializerTest);
     CPPUNIT_TEST(testGradient);
+    CPPUNIT_TEST(testGraphic);
+    CPPUNIT_TEST(testGraphic_Bitmap_NoGfxLink);
     CPPUNIT_TEST_SUITE_END();
 };
 
@@ -57,6 +91,72 @@ void TypeSerializerTest::testGradient()
     CPPUNIT_ASSERT_EQUAL(sal_uInt16(30), aReadGradient.GetSteps());
 }
 
+void TypeSerializerTest::testGraphic()
+{
+    test::Directories aDirectories;
+    OUString aURL = aDirectories.getURLFromSrc(DATA_DIRECTORY) + "SimpleExample.svg";
+    SvFileStream aStream(aURL, StreamMode::READ);
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
+    aGraphic.makeAvailable();
+
+    // Test WriteGraphic - Native Format 5
+    {
+        SvMemoryStream aMemoryStream;
+        aMemoryStream.SetVersion(SOFFICE_FILEFORMAT_50);
+        aMemoryStream.SetCompressMode(SvStreamCompressFlags::NATIVE);
+        WriteGraphic(aMemoryStream, aGraphic);
+        aMemoryStream.Seek(STREAM_SEEK_TO_BEGIN);
+
+        CPPUNIT_ASSERT_EQUAL(sal_uInt64(290), aMemoryStream.remainingSize());
+        std::vector<unsigned char> aHash = calculateHash(aMemoryStream);
+        CPPUNIT_ASSERT_EQUAL(std::string("ee55ab6faa73b61b68bc3d5628d95f0d3c528e2a"),
+                             toHexString(aHash));
+
+        aMemoryStream.Seek(STREAM_SEEK_TO_BEGIN);
+        sal_uInt32 nType;
+        aMemoryStream.ReadUInt32(nType);
+        CPPUNIT_ASSERT_EQUAL(COMPAT_FORMAT('N', 'A', 'T', '5'), nType);
+    }
+
+    // Test WriteGraphic - Normal
+    {
+        SvMemoryStream aMemoryStream;
+        WriteGraphic(aMemoryStream, aGraphic);
+        aMemoryStream.Seek(STREAM_SEEK_TO_BEGIN);
+
+        CPPUNIT_ASSERT_EQUAL(sal_uInt64(233), aMemoryStream.remainingSize());
+        std::vector<unsigned char> aHash = calculateHash(aMemoryStream);
+        CPPUNIT_ASSERT_EQUAL(std::string("c2bed2099ce617f1cc035701de5186f0d43e3064"),
+                             toHexString(aHash));
+    }
+}
+
+void TypeSerializerTest::testGraphic_Bitmap_NoGfxLink()
+{
+    Bitmap aBitmap(Size(10, 10), 24);
+    aBitmap.Erase(COL_LIGHTGRAYBLUE);
+    BitmapEx aBitmapEx(aBitmap);
+    Graphic aGraphic(aBitmapEx);
+
+    // Test WriteGraphic
+    {
+        SvMemoryStream aMemoryStream;
+        WriteGraphic(aMemoryStream, aGraphic);
+        aMemoryStream.Seek(STREAM_SEEK_TO_BEGIN);
+
+        CPPUNIT_ASSERT_EQUAL(sal_uInt64(383), aMemoryStream.remainingSize());
+        std::vector<unsigned char> aHash = calculateHash(aMemoryStream);
+        CPPUNIT_ASSERT_EQUAL(std::string("da831418499146d51bf245fadf60b9111faa76c2"),
+                             toHexString(aHash));
+
+        aMemoryStream.Seek(STREAM_SEEK_TO_BEGIN);
+        sal_uInt16 nType;
+        aMemoryStream.ReadUInt16(nType);
+        CPPUNIT_ASSERT_EQUAL(sal_uInt16(0x4D42), nType); // Magic written with WriteDIBBitmapEx
+    }
+}
+
 } // namespace
 
 CPPUNIT_TEST_SUITE_REGISTRATION(TypeSerializerTest);