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[fuzzer] add -use_full_coverage_set=1 which solves FullCoverageSetTest. This does not scale very well yet, but might be a good start.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227507 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany
2015-01-29 23:01:07 +00:00
parent 880af70fa1
commit 4ac4c33f2d
8 changed files with 52 additions and 2 deletions
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20
lib/Fuzzer/test/FullCoverageSetTest.cpp Normal file
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@@ -0,0 +1,20 @@
// Simple test for a fuzzer. The fuzzer must find the string "FUZZER".
#include <cstdint>
#include <cstdlib>
#include <cstddef>
#include <iostream>
extern "C" void TestOneInput(const uint8_t *Data, size_t Size) {
int bits = 0;
if (Size > 0 && Data[0] == 'F') bits |= 1;
if (Size > 1 && Data[1] == 'U') bits |= 2;
if (Size > 2 && Data[2] == 'Z') bits |= 4;
if (Size > 3 && Data[3] == 'Z') bits |= 8;
if (Size > 4 && Data[4] == 'E') bits |= 16;
if (Size > 5 && Data[5] == 'R') bits |= 32;
if (bits == 63) {
std::cerr << "BINGO!\n";
exit(1);
}
}