1 files changed, 28 insertions, 0 deletions
diff --git a/test/fuzzer/AFLDriverTest.cpp b/test/fuzzer/AFLDriverTest.cpp
new file mode 100644
index 0000000000000..b949adc7de159
--- /dev/null
+++ b/test/fuzzer/AFLDriverTest.cpp
@@ -0,0 +1,28 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Contains dummy functions used to avoid dependency on AFL.
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+extern "C" void __afl_manual_init() {}
+
+extern "C" int __afl_persistent_loop(unsigned int N) {
+  static int Count = N;
+  fprintf(stderr, "__afl_persistent_loop calle, Count = %d\n", Count);
+  if (Count--) return 1;
+  return 0;
+}
+
+// This declaration exists to prevent the Darwin linker
+// from complaining about this being a missing weak symbol.
+extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
+  fprintf(stderr, "LLVMFuzzerInitialize called\n");
+  return 0;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  fprintf(stderr, "LLVMFuzzerTestOneInput called; Size = %zd\n", Size);
+  return 0;
+}