Function generateRandomSeed

extras/catch_amalgamated.cpp:5532–5546

namespace Catch {

    std::uint32_t generateRandomSeed( GenerateFrom from ) {
        switch ( from ) {
        case GenerateFrom::Time:
            return static_cast<std::uint32_t>( std::time( nullptr ) );

        case GenerateFrom::Default:
        case GenerateFrom::RandomDevice: {
            std::random_device rd;
            return Detail::fillBitsFrom<std::uint32_t>( rd );
        }

        default:
            CATCH_ERROR("Unknown generation method");
        }
    }

} // end namespace Catch