Test fixes

Test fixes

code/FBXConverter.cpp

@@ -3208,7 +3208,7 @@ namespace Assimp {
             out->mMetaData->Set(5, "CoordAxisSign", doc.GlobalSettings().CoordAxisSign());
             out->mMetaData->Set(6, "OriginalUpAxis", doc.GlobalSettings().OriginalUpAxis());
             out->mMetaData->Set(7, "OriginalUpAxisSign", doc.GlobalSettings().OriginalUpAxisSign());
-            out->mMetaData->Set(8, "UnitScaleFactor", doc.GlobalSettings().UnitScaleFactor());
+            out->mMetaData->Set(8, "UnitScaleFactor", (double)doc.GlobalSettings().UnitScaleFactor());
             out->mMetaData->Set(9, "OriginalUnitScaleFactor", doc.GlobalSettings().OriginalUnitScaleFactor());
             out->mMetaData->Set(10, "AmbientColor", doc.GlobalSettings().AmbientColor());
             out->mMetaData->Set(11, "FrameRate", (int)doc.GlobalSettings().TimeMode());

code/Importer/IFC/IFCLoader.cpp

@@ -221,7 +221,7 @@ void IFCImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOS
                     free(buffer);
                 } while (read > 0);
                 size_t filesize = fileInfo.uncompressed_size;
-                if (total < 0 || size_t(total) != filesize)
+                if (total == 0 || size_t(total) != filesize)
                 {
                     delete[] buff;
                     ThrowException("Failed to decompress IFC ZIP file");