42    const unsigned tsLen = 36;
 
   43    const unsigned levelLen = tsLen + 1; 
 
   45    if( aStr.size() != aLevels * levelLen + 1 )
 
   47        BOOST_TEST_INFO( 
"String is the wrong length for " << aLevels << 
" levels." );
 
   53        BOOST_TEST_INFO( 
"Doesn't start with '/'" );
 
   57    auto tsBegin = aStr.begin() + 1;
 
   59    for( 
unsigned i = 0; i < aLevels; i++ )
 
   61        if( !
IsUUID( std::string( tsBegin, tsBegin + tsLen ) ) )
 
   63            BOOST_TEST_INFO( 
"Not a UUID at level " 
   64                             << i << 
": " << std::string( tsBegin, tsBegin + tsLen ) );
 
   68        if( *( tsBegin + tsLen ) != 
'/' )
 
   70            BOOST_TEST_INFO( 
"level doesn't end in '/'" );