[llvm] r236656 - [lib/Fuzzer] add a fuzzer test for memcmp (does not work yet)

[Kostya Serebryany]

Author: kcc
Date: Wed May  6 17:36:00 2015
New Revision: 236656

URL: http://llvm.org/viewvc/llvm-project?rev=236656&view=rev
Log:
[lib/Fuzzer] add a fuzzer test for memcmp (does not work yet) 

Added:
    llvm/trunk/lib/Fuzzer/test/dfsan/DFSanMemcmpTest.cpp
Modified:
    llvm/trunk/lib/Fuzzer/test/CMakeLists.txt

Modified: llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/CMakeLists.txt?rev=236656&r1=236655&r2=236656&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/test/CMakeLists.txt Wed May  6 17:36:00 2015
@@ -16,6 +16,7 @@ set(Tests
   )
 
 set(DFSanTests
+  DFSanMemcmpTest
   DFSanSimpleCmpTest
   )
 

Added: llvm/trunk/lib/Fuzzer/test/dfsan/DFSanMemcmpTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/dfsan/DFSanMemcmpTest.cpp?rev=236656&view=auto
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/dfsan/DFSanMemcmpTest.cpp (added)
+++ llvm/trunk/lib/Fuzzer/test/dfsan/DFSanMemcmpTest.cpp Wed May  6 17:36:00 2015
@@ -0,0 +1,8 @@
+// Simple test for a fuzzer. The fuzzer must find a particular string.
+#include <cstring>
+#include <cstdint>
+
+extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  if (Size >= 10 && memcmp(Data, "0123456789", 10) == 0)
+    __builtin_trap();
+}