/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2009 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/

#include "RenderSystemCapabilitiesTests.h"
#include "OgreRenderSystemCapabilities.h"
#include "OgreRenderSystemCapabilitiesManager.h"
#include "OgreStringConverter.h"
#include "OgreRenderSystemCapabilitiesSerializer.h"
#include "OgreArchiveManager.h"

#include <fstream>
#include <algorithm>


// Regsiter the suite
CPPUNIT_TEST_SUITE_REGISTRATION( RenderSystemCapabilitiesTests );

void RenderSystemCapabilitiesTests::setUp()
{
    using namespace Ogre;

    // we need to be able to create FileSystem archives to load .rendercaps
    mFileSystemArchiveFactory = OGRE_NEW FileSystemArchiveFactory();

    mArchiveManager = OGRE_NEW ArchiveManager();
    ArchiveManager::getSingleton().addArchiveFactory( mFileSystemArchiveFactory );

    mRenderSystemCapabilitiesManager = OGRE_NEW RenderSystemCapabilitiesManager();
    // actual parsing happens here. test methods confirm parse results only
    mRenderSystemCapabilitiesManager->parseCapabilitiesFromArchive("../../../Media/CustomCapabilities", "FileSystem", true);
}

void RenderSystemCapabilitiesTests::tearDown()
{
    OGRE_DELETE mRenderSystemCapabilitiesManager;
    OGRE_DELETE mArchiveManager;
    OGRE_DELETE mFileSystemArchiveFactory;

}

void RenderSystemCapabilitiesTests::testIsShaderProfileSupported(void)
{
    // create a new RSC
    Ogre::RenderSystemCapabilities rsc;

    // check that no shader profile is supported
    CPPUNIT_ASSERT(!rsc.isShaderProfileSupported("vs_1"));
    CPPUNIT_ASSERT(!rsc.isShaderProfileSupported("ps_1_1"));
    CPPUNIT_ASSERT(!rsc.isShaderProfileSupported("fp1"));

    rsc.addShaderProfile("vs_1");
    rsc.addShaderProfile("fp1");

    // check that the added shader profiles are supported
    CPPUNIT_ASSERT(rsc.isShaderProfileSupported("vs_1"));
    CPPUNIT_ASSERT(rsc.isShaderProfileSupported("fp1"));


    // check that non added profile is not supported
    CPPUNIT_ASSERT(!rsc.isShaderProfileSupported("ps_1_1"));


    // check that empty string is not supported
    CPPUNIT_ASSERT(!rsc.isShaderProfileSupported(""));
}

void RenderSystemCapabilitiesTests::testHasCapability()
{
    using namespace Ogre;

    RenderSystemCapabilities rsc;

    // check that no caps (from 2 categories) are supported
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_AUTOMIPMAP));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_BLENDING));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_FRAGMENT_PROGRAM));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_TWO_SIDED_STENCIL));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_MIPMAP_LOD_BIAS));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_TEXTURE_COMPRESSION));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_TEXTURE_COMPRESSION_VTC));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_FBO_ATI));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_PBUFFER));

    // add support for few caps from each category
    rsc.setCapability(RSC_AUTOMIPMAP);
    rsc.setCapability(RSC_FRAGMENT_PROGRAM);
    rsc.setCapability(RSC_TEXTURE_COMPRESSION);
    rsc.setCapability(RSC_FBO_ATI);

    // check that the newly set caps are supported
    CPPUNIT_ASSERT(rsc.hasCapability(RSC_AUTOMIPMAP));
    CPPUNIT_ASSERT(rsc.hasCapability(RSC_FRAGMENT_PROGRAM));
    CPPUNIT_ASSERT(rsc.hasCapability(RSC_TEXTURE_COMPRESSION));
    CPPUNIT_ASSERT(rsc.hasCapability(RSC_FBO_ATI));
    // check that the non-set caps are NOT supported
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_BLENDING));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_TWO_SIDED_STENCIL));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_MIPMAP_LOD_BIAS));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_TEXTURE_COMPRESSION_VTC));
    CPPUNIT_ASSERT(!rsc.hasCapability(RSC_PBUFFER));
}

void RenderSystemCapabilitiesTests::testSerializeBlank()
{
    using namespace Ogre;

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rsc = rscManager->loadParsedCapabilities("TestCaps Blank");

    // if we have a non-NULL it's good enough
    CPPUNIT_ASSERT(rsc != 0);
}

void RenderSystemCapabilitiesTests::testSerializeEnumCapability()
{
    using namespace Ogre;

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rsc = rscManager->loadParsedCapabilities("TestCaps enum Capabilities");
    // confirm that RSC was loaded
    CPPUNIT_ASSERT(rsc != 0);

    // confirm that the contents are rhe same as in .rendercaps file
    CPPUNIT_ASSERT(rsc->hasCapability(RSC_AUTOMIPMAP));
    CPPUNIT_ASSERT(rsc->hasCapability(RSC_FBO_ARB));
}


void RenderSystemCapabilitiesTests::testSerializeStringCapability()
{
    using namespace Ogre;

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rsc = rscManager->loadParsedCapabilities("TestCaps set String");
    // confirm that RSC was loaded
    CPPUNIT_ASSERT(rsc != 0);

    CPPUNIT_ASSERT(rsc->isShaderProfileSupported("vs99"));
}

void RenderSystemCapabilitiesTests::testSerializeBoolCapability()
{
    using namespace Ogre;

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rscTrue = rscManager->loadParsedCapabilities("TestCaps set bool (true)");
    RenderSystemCapabilities* rscFalse = rscManager->loadParsedCapabilities("TestCaps set bool (false)");
    // confirm that RSC was loaded
    CPPUNIT_ASSERT(rscTrue != 0);
    CPPUNIT_ASSERT(rscFalse != 0);

    CPPUNIT_ASSERT(rscTrue->getVertexTextureUnitsShared() == true);
    CPPUNIT_ASSERT(rscFalse->getVertexTextureUnitsShared() == false);
}

void RenderSystemCapabilitiesTests::testSerializeIntCapability()
{
    using namespace Ogre;

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rsc = rscManager->loadParsedCapabilities("TestCaps set int");
    // confirm that RSC was loaded
    CPPUNIT_ASSERT(rsc != 0);

    // TODO: why no get?
    CPPUNIT_ASSERT(rsc->getNumMultiRenderTargets() == 99);
}

void RenderSystemCapabilitiesTests::testSerializeRealCapability()
{
    using namespace Ogre;

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rsc = rscManager->loadParsedCapabilities("TestCaps set Real");
    // confirm that RSC was loaded
    CPPUNIT_ASSERT(rsc != 0);

    CPPUNIT_ASSERT(rsc->getMaxPointSize() == 99.5);
}

void RenderSystemCapabilitiesTests::testSerializeShaderCapability()
{
    using namespace Ogre;

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rsc = rscManager->loadParsedCapabilities("TestCaps addShaderProfile");
    // confirm that RSC was loaded
    CPPUNIT_ASSERT(rsc != 0);

    CPPUNIT_ASSERT(rsc->isShaderProfileSupported("vp1"));
    CPPUNIT_ASSERT(rsc->isShaderProfileSupported("vs_1_1"));
    CPPUNIT_ASSERT(rsc->isShaderProfileSupported("ps_99"));
}

void RenderSystemCapabilitiesTests::testWriteSimpleCapabilities()
{
    using namespace Ogre;
	using namespace std;

    String name = "simple caps";
    String filename = "simpleCapsTest.rendercaps";

    // set up caps of every type
    RenderSystemCapabilitiesSerializer serializer;
    RenderSystemCapabilities caps;
    caps.setCapability(RSC_AUTOMIPMAP);
    caps.setMaxPointSize(10.5);
    caps.addShaderProfile("vs999");
    caps.addShaderProfile("sp999");
    caps.setVertexTextureUnitsShared(true);
    caps.setNumWorldMatrices(777);

    // write them to file
    serializer.writeScript(&caps, name, filename);

    // read them back
    ifstream capsfile(filename.c_str());
    char buff[255];

    capsfile.getline(buff, 255);
    CPPUNIT_ASSERT_EQUAL(String("render_system_capabilities \"") + name + "\"", String(buff));

    capsfile.getline(buff, 255);
    CPPUNIT_ASSERT_EQUAL(String("{"), String(buff));
    // scan every line and find the set capabilities it them
	std::vector <String> lines;
    while(capsfile.good())
    {
        capsfile.getline(buff, 255);
        lines.push_back(String(buff));
    }

    // check that the file is closed nicely
    String closeBracket = *(lines.end() - 2);
    CPPUNIT_ASSERT_EQUAL(String("}"), closeBracket);
    CPPUNIT_ASSERT_EQUAL(String(""), lines.back());

    // check that all the set caps are there
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "automipmap true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "max_point_size 10.5") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "max_vertex_program_version vs999") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "shader_profile sp999") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_texture_units_shared true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "num_world_matrices 777") != lines.end());
}

void RenderSystemCapabilitiesTests::testWriteAllFalseCapabilities()
{
    using namespace Ogre;
    using namespace std;

    String name = "all false caps";
    String filename = "allFalseCapsTest.rendercaps";

    // set up caps of every type
    RenderSystemCapabilitiesSerializer serializer;
    RenderSystemCapabilities caps;

    // all caps are false by default
    caps.setVertexTextureUnitsShared(false);

    // write them to file
    serializer.writeScript(&caps, name, filename);

    // read them back
    ifstream capsfile(filename.c_str());
    char buff[255];

    capsfile.getline(buff, 255);
    CPPUNIT_ASSERT_EQUAL(String("render_system_capabilities \"") + name + "\"", String(buff));

    capsfile.getline(buff, 255);
    CPPUNIT_ASSERT_EQUAL(String("{"), String(buff));
    // scan every line and find the set capabilities it them
    std::vector <String> lines;
    while(capsfile.good())
    {
        capsfile.getline(buff, 255);
        lines.push_back(String(buff));
    }

      // check that the file is closed nicely
    String closeBracket = *(lines.end() - 2);
    CPPUNIT_ASSERT_EQUAL(String("}"), closeBracket);
    CPPUNIT_ASSERT_EQUAL(String(""), lines.back());

    // confirm every caps
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "automipmap false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "blending false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "anisotropy false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "dot3 false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "cubemapping false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "hwstencil false") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vbo false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_program false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fragment_program false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "scissor_test false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "two_sided_stencil false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "stencil_wrap false") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "hwocclusion false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "user_clip_planes false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_format_ubyte4 false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "infinite_far_plane false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "hwrender_to_texture false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_float false") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "non_power_of_2_textures false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_3d false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "point_sprites false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "point_extended_parameters false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_texture_fetch false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "mipmap_lod_bias false") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_compression false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_compression_dxt false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_compression_vtc false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fbo false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fbo_arb false") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fbo_ati false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "pbuffer false") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "perstageconstant false") != lines.end());

    // bool caps
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_texture_units_shared false") != lines.end());

}

void RenderSystemCapabilitiesTests::testWriteAllTrueCapabilities()
{
    using namespace Ogre;
    using namespace std;

    String name = "all false caps";
    String filename = "allFalseCapsTest.rendercaps";

    // set up caps of every type
    RenderSystemCapabilitiesSerializer serializer;
    RenderSystemCapabilities caps;

    // set all caps
    caps.setVertexTextureUnitsShared(true);

    caps.setCapability(RSC_AUTOMIPMAP);
    caps.setCapability(RSC_BLENDING);
    caps.setCapability(RSC_ANISOTROPY);
    caps.setCapability(RSC_DOT3);
    caps.setCapability(RSC_CUBEMAPPING);
    caps.setCapability(RSC_HWSTENCIL);

    caps.setCapability(RSC_VBO);
    caps.setCapability(RSC_VERTEX_PROGRAM);
    caps.setCapability(RSC_FRAGMENT_PROGRAM);
    caps.setCapability(RSC_SCISSOR_TEST);
    caps.setCapability(RSC_TWO_SIDED_STENCIL);
    caps.setCapability(RSC_STENCIL_WRAP);

    caps.setCapability(RSC_HWOCCLUSION);
    caps.setCapability(RSC_USER_CLIP_PLANES);
    caps.setCapability(RSC_VERTEX_FORMAT_UBYTE4);
    caps.setCapability(RSC_INFINITE_FAR_PLANE);
    caps.setCapability(RSC_HWRENDER_TO_TEXTURE);
    caps.setCapability(RSC_TEXTURE_FLOAT);

    caps.setCapability(RSC_NON_POWER_OF_2_TEXTURES);
    caps.setCapability(RSC_TEXTURE_3D);
    caps.setCapability(RSC_POINT_SPRITES);
    caps.setCapability(RSC_POINT_EXTENDED_PARAMETERS);
    caps.setCapability(RSC_VERTEX_TEXTURE_FETCH);
    caps.setCapability(RSC_MIPMAP_LOD_BIAS);

    caps.setCapability(RSC_TEXTURE_COMPRESSION);
    caps.setCapability(RSC_TEXTURE_COMPRESSION_DXT);
    caps.setCapability(RSC_TEXTURE_COMPRESSION_VTC);
    caps.setCapability(RSC_FBO);
    caps.setCapability(RSC_FBO_ARB);

    caps.setCapability(RSC_FBO_ATI);
    caps.setCapability(RSC_PBUFFER);
    caps.setCapability(RSC_PERSTAGECONSTANT);


    // write them to file
    serializer.writeScript(&caps, name, filename);

    // read them back
    ifstream capsfile(filename.c_str());
    char buff[255];

    capsfile.getline(buff, 255);
    CPPUNIT_ASSERT_EQUAL(String("render_system_capabilities \"") + name + "\"", String(buff));

    capsfile.getline(buff, 255);
    CPPUNIT_ASSERT_EQUAL(String("{"), String(buff));
    // scan every line and find the set capabilities it them
    std::vector <String> lines;
    while(capsfile.good())
    {
        capsfile.getline(buff, 255);
        lines.push_back(String(buff));
    }

      // check that the file is closed nicely
    String closeBracket = *(lines.end() - 2);
    CPPUNIT_ASSERT_EQUAL(String("}"), closeBracket);
    CPPUNIT_ASSERT_EQUAL(String(""), lines.back());

    // confirm all caps
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "automipmap true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "blending true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "anisotropy true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "dot3 true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "cubemapping true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "hwstencil true") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vbo true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_program true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fragment_program true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "scissor_test true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "two_sided_stencil true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "stencil_wrap true") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "hwocclusion true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "user_clip_planes true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_format_ubyte4 true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "infinite_far_plane true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "hwrender_to_texture true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_float true") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "non_power_of_2_textures true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_3d true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "point_sprites true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "point_extended_parameters true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_texture_fetch true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "mipmap_lod_bias true") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_compression true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_compression_dxt true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "texture_compression_vtc true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fbo true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fbo_arb true") != lines.end());

    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "fbo_ati true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "pbuffer true") != lines.end());
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "perstageconstant true") != lines.end());

    // bool caps
    CPPUNIT_ASSERT(find(lines.begin(), lines.end(), "vertex_texture_units_shared true") != lines.end());

}

void RenderSystemCapabilitiesTests::testWriteAndReadComplexCapabilities()
{
    using namespace Ogre;
    using namespace std;

    String name = "complex caps";
    String filename = "complexCapsTest.rendercaps";

    // set up caps of every type
    RenderSystemCapabilitiesSerializer serializer;
    RenderSystemCapabilities caps;

    // set all caps
    caps.setVertexTextureUnitsShared(true);

    caps.setCapability(RSC_AUTOMIPMAP);
    caps.setCapability(RSC_DOT3);
    caps.setCapability(RSC_CUBEMAPPING);
    caps.setCapability(RSC_HWSTENCIL);
    caps.setCapability(RSC_VBO);
    caps.setCapability(RSC_FRAGMENT_PROGRAM);
    caps.setCapability(RSC_SCISSOR_TEST);
    caps.setCapability(RSC_TWO_SIDED_STENCIL);
    caps.setCapability(RSC_HWOCCLUSION);
    caps.setCapability(RSC_VERTEX_FORMAT_UBYTE4);
    caps.setCapability(RSC_HWRENDER_TO_TEXTURE);
    caps.setCapability(RSC_TEXTURE_FLOAT);
    caps.setCapability(RSC_NON_POWER_OF_2_TEXTURES);
    caps.setCapability(RSC_TEXTURE_3D);
    caps.setCapability(RSC_POINT_EXTENDED_PARAMETERS);
    caps.setCapability(RSC_MIPMAP_LOD_BIAS);
    caps.setCapability(RSC_TEXTURE_COMPRESSION);
    caps.setCapability(RSC_TEXTURE_COMPRESSION_DXT);
    caps.setCapability(RSC_TEXTURE_COMPRESSION_VTC);
    caps.setCapability(RSC_PERSTAGECONSTANT);

    caps.setNumWorldMatrices(11);
    caps.setNumTextureUnits(22);
    caps.setStencilBufferBitDepth(20001);
    caps.setNumVertexBlendMatrices(33);
    caps.setNumMultiRenderTargets(23);

    caps.addShaderProfile("99foo100");
    // try out stranger names
    caps.addShaderProfile("..f(_)specialsymbolextravaganza!@#$%^&*_but_no_spaces");

    caps.setVertexProgramConstantFloatCount(1111);
    caps.setVertexProgramConstantIntCount(2222);
    caps.setVertexProgramConstantBoolCount(3333);

    caps.setFragmentProgramConstantFloatCount(4444);
    caps.setFragmentProgramConstantIntCount(5555);
    caps.setFragmentProgramConstantBoolCount(64000);

    caps.setMaxPointSize(123.75);
    caps.setNonPOW2TexturesLimited(true);
    caps.setVertexTextureUnitsShared(true);

	DriverVersion driverversion;
	driverversion.major = 11;
	driverversion.minor = 13;
	driverversion.release = 17;
	driverversion.build = 0;

	caps.setDriverVersion(driverversion);


     // write them to file
    serializer.writeScript(&caps, name, filename);

    FileStreamDataStream* fdatastream = new FileStreamDataStream(filename,
            OGRE_NEW_T(ifstream, MEMCATEGORY_GENERAL)(filename.c_str()));

    DataStreamPtr dataStreamPtr(fdatastream);

    // parsing does not return a raw RSC, but adds it to the Manager
    serializer.parseScript(dataStreamPtr);

    RenderSystemCapabilitiesManager* rscManager = RenderSystemCapabilitiesManager::getSingletonPtr();

    RenderSystemCapabilities* rsc = rscManager->loadParsedCapabilities(name);
    // confirm that RSC was loaded
    CPPUNIT_ASSERT(rsc != 0);

    // create a reference, so that were're working with two refs
    RenderSystemCapabilities& caps2 = *rsc;

    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_AUTOMIPMAP), caps2.hasCapability(RSC_AUTOMIPMAP));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_BLENDING), caps2.hasCapability(RSC_BLENDING));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_ANISOTROPY), caps2.hasCapability(RSC_ANISOTROPY));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_DOT3), caps2.hasCapability(RSC_DOT3));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_CUBEMAPPING), caps2.hasCapability(RSC_CUBEMAPPING));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_HWSTENCIL), caps2.hasCapability(RSC_HWSTENCIL));

    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_VBO), caps2.hasCapability(RSC_VBO));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_VERTEX_PROGRAM), caps2.hasCapability(RSC_VERTEX_PROGRAM));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_FRAGMENT_PROGRAM), caps2.hasCapability(RSC_FRAGMENT_PROGRAM));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_SCISSOR_TEST), caps2.hasCapability(RSC_SCISSOR_TEST));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_TWO_SIDED_STENCIL), caps2.hasCapability(RSC_TWO_SIDED_STENCIL));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_STENCIL_WRAP), caps2.hasCapability(RSC_STENCIL_WRAP));

    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_HWOCCLUSION), caps2.hasCapability(RSC_HWOCCLUSION));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_USER_CLIP_PLANES), caps2.hasCapability(RSC_USER_CLIP_PLANES));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_VERTEX_FORMAT_UBYTE4), caps2.hasCapability(RSC_VERTEX_FORMAT_UBYTE4));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_INFINITE_FAR_PLANE), caps2.hasCapability(RSC_INFINITE_FAR_PLANE));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_HWRENDER_TO_TEXTURE), caps2.hasCapability(RSC_HWRENDER_TO_TEXTURE));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_TEXTURE_FLOAT), caps2.hasCapability(RSC_TEXTURE_FLOAT));

    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_NON_POWER_OF_2_TEXTURES), caps2.hasCapability(RSC_NON_POWER_OF_2_TEXTURES));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_TEXTURE_3D), caps2.hasCapability(RSC_TEXTURE_3D));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_POINT_SPRITES), caps2.hasCapability(RSC_POINT_SPRITES));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_POINT_EXTENDED_PARAMETERS), caps2.hasCapability(RSC_POINT_EXTENDED_PARAMETERS));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_VERTEX_TEXTURE_FETCH), caps2.hasCapability(RSC_VERTEX_TEXTURE_FETCH));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_MIPMAP_LOD_BIAS), caps2.hasCapability(RSC_MIPMAP_LOD_BIAS));

    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_TEXTURE_COMPRESSION), caps2.hasCapability(RSC_TEXTURE_COMPRESSION));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_TEXTURE_COMPRESSION_DXT), caps2.hasCapability(RSC_TEXTURE_COMPRESSION_DXT));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_TEXTURE_COMPRESSION_VTC), caps2.hasCapability(RSC_TEXTURE_COMPRESSION_VTC));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_FBO), caps2.hasCapability(RSC_FBO));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_FBO_ARB), caps2.hasCapability(RSC_FBO_ARB));

    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_FBO_ATI), caps2.hasCapability(RSC_FBO_ATI));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_PBUFFER), caps2.hasCapability(RSC_PBUFFER));
    CPPUNIT_ASSERT_EQUAL(caps.hasCapability(RSC_PERSTAGECONSTANT), caps2.hasCapability(RSC_PERSTAGECONSTANT));

    CPPUNIT_ASSERT_EQUAL(caps.getNumWorldMatrices(), caps2.getNumWorldMatrices());
    CPPUNIT_ASSERT_EQUAL(caps.getNumTextureUnits(), caps2.getNumTextureUnits());
    CPPUNIT_ASSERT_EQUAL(caps.getStencilBufferBitDepth(), caps2.getStencilBufferBitDepth());
    CPPUNIT_ASSERT_EQUAL(caps.getNumVertexBlendMatrices(), caps2.getNumVertexBlendMatrices());
    CPPUNIT_ASSERT_EQUAL(caps.getNumMultiRenderTargets(), caps2.getNumMultiRenderTargets());

    CPPUNIT_ASSERT_EQUAL(caps.getVertexProgramConstantFloatCount(), caps2.getVertexProgramConstantFloatCount());
    CPPUNIT_ASSERT_EQUAL(caps.getVertexProgramConstantIntCount(), caps2.getVertexProgramConstantIntCount());
    CPPUNIT_ASSERT_EQUAL(caps.getVertexProgramConstantBoolCount(), caps2.getVertexProgramConstantBoolCount());

    CPPUNIT_ASSERT_EQUAL(caps.getFragmentProgramConstantFloatCount(), caps2.getFragmentProgramConstantFloatCount());
    CPPUNIT_ASSERT_EQUAL(caps.getFragmentProgramConstantIntCount(), caps2.getFragmentProgramConstantIntCount());
    CPPUNIT_ASSERT_EQUAL(caps.getFragmentProgramConstantBoolCount(), caps2.getFragmentProgramConstantBoolCount());

    CPPUNIT_ASSERT_EQUAL(caps.getMaxPointSize(), caps2.getMaxPointSize());
    CPPUNIT_ASSERT_EQUAL(caps.getNonPOW2TexturesLimited(), caps2.getNonPOW2TexturesLimited());
    CPPUNIT_ASSERT_EQUAL(caps.getVertexTextureUnitsShared(), caps2.getVertexTextureUnitsShared());
	
	// test versions
	CPPUNIT_ASSERT_EQUAL(caps.getDriverVersion().major, caps2.getDriverVersion().major);
	CPPUNIT_ASSERT_EQUAL(caps.getDriverVersion().minor, caps2.getDriverVersion().minor);
	CPPUNIT_ASSERT_EQUAL(caps.getDriverVersion().release, caps2.getDriverVersion().release);
	CPPUNIT_ASSERT_EQUAL(0, caps2.getDriverVersion().build);

    dataStreamPtr.setNull();
}