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 "FUZZ".
5 #include <cstdint>
6 #include <cstdlib>
7 #include <cstddef>
8 #include <iostream>
9 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)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 (bits == 15) {
17     std::cerr <<  "BINGO!\n";
18     exit(1);
19   }
20   return 0;
21 }
22 
23