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      1 // This file is distributed under the University of Illinois Open Source
      2 // License. See LICENSE.TXT for details.
      3 
      4 // Simple test for a fuzzer. The fuzzer must find the string "FUZZER".
      5 #include <cstdint>
      6 #include <cstdlib>
      7 #include <cstddef>
      8 #include <iostream>
      9 
     10 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     11   int bits = 0;
     12   if (Size > 0 && Data[0] == 'F') bits |= 1;
     13   if (Size > 1 && Data[1] == 'U') bits |= 2;
     14   if (Size > 2 && Data[2] == 'Z') bits |= 4;
     15   if (Size > 3 && Data[3] == 'Z') bits |= 8;
     16   if (Size > 4 && Data[4] == 'E') bits |= 16;
     17   if (Size > 5 && Data[5] == 'R') bits |= 32;
     18   if (bits == 63) {
     19     std::cerr <<  "BINGO!\n";
     20     exit(1);
     21   }
     22   return 0;
     23 }
     24 
     25