diff options
| -rw-r--r-- | llvm/lib/Fuzzer/test/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | llvm/lib/Fuzzer/test/MinimizeCorpusTest.cpp | 28 | ||||
| -rw-r--r-- | llvm/lib/Fuzzer/test/trace-pc/CMakeLists.txt | 1 |
3 files changed, 30 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/test/CMakeLists.txt b/llvm/lib/Fuzzer/test/CMakeLists.txt index a1d6e024d55..1406379b097 100644 --- a/llvm/lib/Fuzzer/test/CMakeLists.txt +++ b/llvm/lib/Fuzzer/test/CMakeLists.txt @@ -80,6 +80,7 @@ set(Tests LeakTest LeakTimeoutTest LoadTest + MinimizeCorpusTest NullDerefTest NullDerefOnEmptyTest NthRunCrashTest diff --git a/llvm/lib/Fuzzer/test/MinimizeCorpusTest.cpp b/llvm/lib/Fuzzer/test/MinimizeCorpusTest.cpp new file mode 100644 index 00000000000..02ef99fb26e --- /dev/null +++ b/llvm/lib/Fuzzer/test/MinimizeCorpusTest.cpp @@ -0,0 +1,28 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// Test that we can find the minimal item in the corpus (3 bytes: "FUZ"). +#include <cstdint> +#include <cstdlib> +#include <cstddef> +#include <cstring> +#include <cstdio> + +static volatile int Sink; + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + int8_t Ids[256]; + memset(Ids, -1, sizeof(Ids)); + for (size_t i = 0; i < Size; i++) + if (Ids[Data[i]] == -1) + Ids[Data[i]] = i; + int F = Ids[(unsigned char)'F']; + int U = Ids[(unsigned char)'U']; + int Z = Ids[(unsigned char)'Z']; + if (F >= 0 && U > F && Z > U) { + Sink++; + // printf("IDS: %d %d %d\n", F, U, Z); + } + return 0; +} + diff --git a/llvm/lib/Fuzzer/test/trace-pc/CMakeLists.txt b/llvm/lib/Fuzzer/test/trace-pc/CMakeLists.txt index 5b6f87acc6f..ea160ccc502 100644 --- a/llvm/lib/Fuzzer/test/trace-pc/CMakeLists.txt +++ b/llvm/lib/Fuzzer/test/trace-pc/CMakeLists.txt @@ -8,6 +8,7 @@ set(TracePCTests CounterTest CallerCalleeTest NullDerefTest + MinimizeCorpusTest ) foreach(Test ${TracePCTests}) |
