Revert r258473 as it's breaking the build with libc++
Reviewers: kcc
Differential Revision: http://reviews.llvm.org/D16441
llvm-svn: 258479
diff --git a/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp b/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp
index e0cca7d..9512e16 100644
--- a/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp
+++ b/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp
@@ -6,7 +6,7 @@
// For now, have LLVMFuzzerTestOneInput just to make it link.
// Later we may want to make unittests that actually call LLVMFuzzerTestOneInput.
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
abort();
}
@@ -400,23 +400,3 @@
EXPECT_EQ("YWJjeHk=", Base64({'a', 'b', 'c', 'x', 'y'}));
EXPECT_EQ("YWJjeHl6", Base64({'a', 'b', 'c', 'x', 'y', 'z'}));
}
-
-TEST(Corpus, Distribution) {
- FuzzerRandomLibc Rand(0);
- SimpleUserSuppliedFuzzer USF(&Rand, LLVMFuzzerTestOneInput);
- Fuzzer::FuzzingOptions Options;
- Fuzzer Fuzz(USF, Options);
- size_t N = 10;
- size_t TriesPerUnit = 1<<20;
- for (size_t i = 0; i < N; i++) {
- Fuzz.AddToCorpus(Unit{ static_cast<uint8_t>(i) });
- }
- std::vector<size_t> Hist(N);
- for (size_t i = 0; i < N * TriesPerUnit; i++) {
- Hist[Fuzz.ChooseUnitIdxToMutate()]++;
- }
- for (size_t i = 0; i < N; i++) {
- // A weak sanity check that every unit gets invoked.
- EXPECT_GT(Hist[i], TriesPerUnit / N / 3);
- }
-}