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Diffstat (limited to 'llvm/lib/Fuzzer/test/EquivalenceBTest.cpp')
-rw-r--r-- | llvm/lib/Fuzzer/test/EquivalenceBTest.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/test/EquivalenceBTest.cpp b/llvm/lib/Fuzzer/test/EquivalenceBTest.cpp new file mode 100644 index 00000000000..175eed1394f --- /dev/null +++ b/llvm/lib/Fuzzer/test/EquivalenceBTest.cpp @@ -0,0 +1,26 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +#include <stddef.h> +#include <stdint.h> +#include <stdio.h> + +// Test for libFuzzer's "equivalence" fuzzing, part B. +extern "C" void LLVMFuzzerAnnounceOutput(const uint8_t *Data, size_t Size); +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + if (Size > 100) return 0; + uint8_t Result[100]; + for (size_t i = 0; i < Size; i++) + Result[Size - i - 1] = Data[i]; + + // Be a bit different from EquivalenceATest + if (Size > 42 && Data[10] == 'B') { + static int c; + if (!c) + fprintf(stderr, "ZZZZZZZ\n"); + c = 1; + Result[42]++; + } + + LLVMFuzzerAnnounceOutput(Result, Size); + return 0; +} |