tdf#149714 BitsPerPixel property of Graphic has Boolean UNO type

- vcl change UNO type of UnoGraphicProperty::BitsPerPixel to sal_Int8 instead of sal_uInt8 which maps to BOOLEAN causing Basic to convert
non-0 values to True

- basic add CppUnitTest since thats where the problem was occuring

Change-Id: I0111199151fb5e001b6362e1359ad90bb039f064
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/163899
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
diff --git a/basic/CppunitTest_basic_macros.mk b/basic/CppunitTest_basic_macros.mk
index 9d8050e..a67508f 100644
--- a/basic/CppunitTest_basic_macros.mk
+++ b/basic/CppunitTest_basic_macros.mk
@@ -19,6 +19,7 @@ $(eval $(call gb_CppunitTest_add_exception_objects,basic_macros, \
	basic/qa/cppunit/test_vba \
	basic/qa/cppunit/test_global_as_new \
	basic/qa/cppunit/test_global_array \
	basic/qa/cppunit/test_tdf149714 \
))

$(eval $(call gb_CppunitTest_use_libraries,basic_macros, \
diff --git a/basic/qa/cppunit/data/tdf149714.png b/basic/qa/cppunit/data/tdf149714.png
new file mode 100644
index 0000000..d22b8451
--- /dev/null
+++ b/basic/qa/cppunit/data/tdf149714.png
Binary files differ
diff --git a/basic/qa/cppunit/test_tdf149714.cxx b/basic/qa/cppunit/test_tdf149714.cxx
new file mode 100644
index 0000000..7671350
--- /dev/null
+++ b/basic/qa/cppunit/test_tdf149714.cxx
@@ -0,0 +1,86 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
 * 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 <sal/config.h>
#include <basic/sbstar.hxx>
#include <basic/sbmeth.hxx>
#include <cppunit/extensions/HelperMacros.h>

#include <unotest/directories.hxx>

namespace
{
class TestTdf149714 : public CppUnit::TestFixture
{
    void testBitsPerPixel();

    CPPUNIT_TEST_SUITE(TestTdf149714);
    CPPUNIT_TEST(testBitsPerPixel);
    CPPUNIT_TEST_SUITE_END();

    StarBASICRef interpreter;

    SbModuleRef Module()
    {
        test::Directories aDirectories;
        OUString aDataFileName
            = aDirectories.getURLFromSrc(u"basic/qa/cppunit/data/") + u"tdf149714.png";
        OUString sBasic = uR"BAS(

Function GetBitsPerPixelAsString As String
    DIM oProps(0) As New "com.sun.star.beans.PropertyValue"
    DIM oProvider, oGraphic

    oProps(0).Name = "URL"
    oProps(0).Value = "$PNGFILENAME"

    oProvider = createUnoService("com.sun.star.graphic.GraphicProvider")
    oGraphic = oProvider.queryGraphic(oProps())

    GetBitsPerPixelAsString = oGraphic.BitsPerPixel

End Function

)BAS"_ustr;

        sBasic = sBasic.replaceFirst("$PNGFILENAME", aDataFileName);

        interpreter = new StarBASIC();
        auto mod = interpreter->MakeModule("BitsPerPixel", sBasic);

        CPPUNIT_ASSERT(mod->Compile());
        CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, StarBASIC::GetErrBasic());
        CPPUNIT_ASSERT_EQUAL(ERRCODE_NONE, SbxBase::GetError());
        CPPUNIT_ASSERT(mod->IsCompiled());
        return mod;
    }
};

void TestTdf149714::testBitsPerPixel()
{
    auto m = Module();
    auto GetBitsPerPixelAsString = m->FindMethod("GetBitsPerPixelAsString", SbxClassType::Method);
    CPPUNIT_ASSERT_MESSAGE("Could not Find GetBitsPerPixelAsString in module",
                           GetBitsPerPixelAsString != nullptr);

    SbxVariableRef returned = new SbxMethod{ *GetBitsPerPixelAsString };
    CPPUNIT_ASSERT(returned->IsString());

    // Without the fix in place this would fail with:
    // - Expected: 24
    // - Actual:   True
    CPPUNIT_ASSERT_EQUAL(OUString{ "24" }, returned->GetOUString());
}

// Put the test suite in the registry
CPPUNIT_TEST_SUITE_REGISTRATION(TestTdf149714);

} // namespace

/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/vcl/source/graphic/UnoGraphicDescriptor.cxx b/vcl/source/graphic/UnoGraphicDescriptor.cxx
index e83ac98..32ffe48 100644
--- a/vcl/source/graphic/UnoGraphicDescriptor.cxx
+++ b/vcl/source/graphic/UnoGraphicDescriptor.cxx
@@ -236,7 +236,7 @@ rtl::Reference<::comphelper::PropertySetInfo> GraphicDescriptor::createPropertyS
        { OUString( "MimeType" ), static_cast< sal_Int32 >( UnoGraphicProperty::MimeType ), cppu::UnoType< OUString >::get(), beans::PropertyAttribute::READONLY, 0 },
        { OUString( "SizePixel" ), static_cast< sal_Int32 >( UnoGraphicProperty::SizePixel ), cppu::UnoType< awt::Size >::get(), beans::PropertyAttribute::READONLY, 0 },
        { OUString( "Size100thMM" ), static_cast< sal_Int32 >( UnoGraphicProperty::Size100thMM ), cppu::UnoType< awt::Size >::get(), beans::PropertyAttribute::READONLY, 0 },
        { OUString( "BitsPerPixel" ), static_cast< sal_Int32 >( UnoGraphicProperty::BitsPerPixel ), cppu::UnoType< sal_uInt8 >::get(), beans::PropertyAttribute::READONLY, 0 },
        { OUString( "BitsPerPixel" ), static_cast< sal_Int32 >( UnoGraphicProperty::BitsPerPixel ), cppu::UnoType< sal_Int8 >::get(), beans::PropertyAttribute::READONLY, 0 },
        { OUString( "Transparent" ), static_cast< sal_Int32 >( UnoGraphicProperty::Transparent ), cppu::UnoType< sal_Bool >::get(), beans::PropertyAttribute::READONLY, 0 },
        { OUString( "Alpha" ), static_cast< sal_Int32 >( UnoGraphicProperty::Alpha ), cppu::UnoType< sal_Bool >::get(), beans::PropertyAttribute::READONLY, 0 },
        { OUString( "Animated" ), static_cast< sal_Int32 >( UnoGraphicProperty::Animated ), cppu::UnoType< sal_Bool >::get(), beans::PropertyAttribute::READONLY, 0 },