[llvm] r251961 - [libFuzzer] make -test_single_input more reliable: make sure the input's size is equal to it's capacity

[Kostya Serebryany via llvm-commits]

Author: kcc
Date: Tue Nov  3 12:57:25 2015
New Revision: 251961

URL: http://llvm.org/viewvc/llvm-project?rev=251961&view=rev
Log:
[libFuzzer] make -test_single_input more reliable: make sure the input's size is equal to it's capacity

Modified:
    llvm/trunk/lib/Fuzzer/FuzzerDriver.cpp

Modified: llvm/trunk/lib/Fuzzer/FuzzerDriver.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerDriver.cpp?rev=251961&r1=251960&r2=251961&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerDriver.cpp (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerDriver.cpp Tue Nov  3 12:57:25 2015
@@ -184,7 +184,9 @@ static int RunInMultipleProcesses(const
 
 int RunOneTest(Fuzzer *F, const char *InputFilePath) {
   Unit U = FileToVector(InputFilePath);
-  F->ExecuteCallback(U);
+  Unit PreciseSizedU(U);
+  assert(PreciseSizedU.size() == PreciseSizedU.capacity());
+  F->ExecuteCallback(PreciseSizedU);
   return 0;
 }