[libfuzzer] replacing unittest for truncate_units with functional test.

Differential Revision: http://reviews.llvm.org/D20641

llvm-svn: 270755

1 files changed, 0 insertions, 22 deletions

diff --git a/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp b/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp
index 66e9285eb05..7b49f2f08e4 100644
--- a/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp
+++ b/llvm/lib/Fuzzer/test/FuzzerUnittest.cpp
@@ -13,10 +13,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   abort();
 }
 
-static int EmptyLLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-  return 0;
-}
-
 TEST(Fuzzer, CrossOver) {
   Random Rand(0);
   MutationDispatcher MD(Rand);
@@ -427,21 +423,3 @@ TEST(Corpus, Distribution) {
     EXPECT_GT(Hist[i], TriesPerUnit / N / 3);
   }
 }
-
-TEST(Corpus, TruncateUnits) {
-  Random Rand(0);
-  MutationDispatcher MD(Rand);
-  Fuzzer::FuzzingOptions Options;
-  Options.OutputCorpus = ""; // stops from writing new units.
-  Fuzzer Fuzz(EmptyLLVMFuzzerTestOneInput, MD, Options);
-
-  Fuzz.AddToCorpus(Unit(1024, static_cast<uint8_t>(1)));
-  Fuzz.ResetCoverage();
-
-  std::vector<Unit> NewCorpus;
-  Fuzz.TruncateUnits(&NewCorpus);
-
-  // New corpus should have a shorter unit.
-  EXPECT_EQ(1ul, NewCorpus.size());
-  EXPECT_EQ(1ul, NewCorpus[0].size());
-}