vendor/llvm/llvm-trunk-r238337

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/Fuzzer/test/CounterTest.cpp b/lib/Fuzzer/test/CounterTest.cpp
new file mode 100644
index 000000000000..29ddb02ebaea
--- /dev/null
+++ b/lib/Fuzzer/test/CounterTest.cpp
@@ -0,0 +1,14 @@
+// Test for a fuzzer: must find the case where a particular basic block is
+// executed many times.
+#include <iostream>
+
+extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  int Num = 0;
+  for (size_t i = 0; i < Size; i++)
+    if (Data[i] == 'A' + i)
+      Num++;
+  if (Num >= 4) {
+    std::cerr <<  "BINGO!\n";
+    exit(1);
+  }
+}