private static function pack_test_archive($y_exclusions_arr = '')
 {
     //--
     $testsrcfile = (string) SmartFileSystem::read('lib/core/lib_smart_test_suite.php');
     $out = '';
     if ((string) $testsrcfile != '') {
         //--
         $testsrcfile = (string) base64_encode((string) $testsrcfile);
         $vlen = Smart::random_number(100000, 900000);
         //--
         while (strlen((string) $out) < 8388608 + $vlen) {
             $randomizer = (string) '#' . Smart::random_number() . '#' . "\n";
             $testfile = SmartUtils::data_archive((string) $randomizer . $testsrcfile);
             if (sha1((string) SmartUtils::data_unarchive((string) $testfile)) !== sha1((string) $randomizer . $testsrcfile)) {
                 Smart::log_warning('Data Unarchive Failed for Pack Test Archive ...');
                 return 'Data Unarchive Failed for Pack Test Archive !';
             }
             //end if
             $out .= (string) $testfile;
         }
         //end if
         //--
     } else {
         //--
         Smart::log_warning('Failed to read the test file: lib/core/lib_smart_test_suite.php');
         return 'ERROR: Cannot Get File Read for this test !';
         //--
     }
     //end if
     //--
     return (string) $out;
     //--
 }