assimp.assimp/test/unit/utIssues.cpp

/*
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Open Asset Import Library (assimp)
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#include "UnitTestPCH.h"

#include <assimp/scene.h>
#include <assimp/Importer.hpp>
#include <assimp/Exporter.hpp>
#include <assimp/postprocess.h>

#include "TestModelFactory.h"

using namespace Assimp;

class utIssues : public ::testing::Test {};

#ifndef ASSIMP_BUILD_NO_EXPORT

TEST_F( utIssues, OpacityBugWhenExporting_727 ) {
    float opacity;
    aiScene *scene = TestModelFactory::createDefaultTestModel(opacity);
    Assimp::Importer importer;
    Assimp::Exporter exporter;

    const aiExportFormatDesc *desc = exporter.GetExportFormatDescription( 0 );
    ASSERT_NE( desc, nullptr );

    std::string path = "dae";
    path.append(".");
    path.append( desc->fileExtension );
    EXPECT_EQ( AI_SUCCESS, exporter.Export( scene, desc->id, path ) );
    const aiScene *newScene( importer.ReadFile( path, aiProcess_ValidateDataStructure ) );
    ASSERT_NE( nullptr, newScene );
    float newOpacity;
    if (newScene->mNumMaterials > 0 ) {
        EXPECT_EQ( AI_SUCCESS, newScene->mMaterials[ 0 ]->Get( AI_MATKEY_OPACITY, newOpacity ) );
        EXPECT_FLOAT_EQ( opacity, newOpacity );
    }
    
    TestModelFactory::releaseDefaultTestModel(&scene);

    // Cleanup. Delete exported dae.dae file
    EXPECT_EQ(0, std::remove(path.c_str()));
}

#endif // ASSIMP_BUILD_NO_EXPORT