1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2 // See https://llvm.org/LICENSE.txt for license information.
3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4 
5 // Test for a fuzzer: must find the case where a particular basic block is
6 // executed many times.
7 #include <iostream>
8 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)9 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
10   int Num = 0;
11   for (size_t i = 0; i < Size; i++)
12     if (Data[i] == 'A' + i)
13       Num++;
14   if (Num >= 4) {
15     std::cerr <<  "BINGO!\n";
16     exit(1);
17   }
18   return 0;
19 }
20