[fuzzer] Read files as binary

Summary: Read corpus files as binary to avoid automatic conversions

Reviewers: Dor1s, morehouse

Reviewed By: Dor1s, morehouse

Differential Revision: https://reviews.llvm.org/D54180

llvm-svn: 346279

1 files changed, 18 insertions, 0 deletions

diff --git a/compiler-rt/test/fuzzer/ReadBinaryTest.cpp b/compiler-rt/test/fuzzer/ReadBinaryTest.cpp
new file mode 100644
index 00000000000..de7a4003698
--- /dev/null
+++ b/compiler-rt/test/fuzzer/ReadBinaryTest.cpp
@@ -0,0 +1,18 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Simple test for a fuzzer. Tests that fuzzer can read a file containing
+// carriage returns.
+#include <cstddef>
+#include <cstdint>
+#include <iostream>
+#include <string>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size) {
+  std::string InputStr(reinterpret_cast<const char*>(Data), Size);
+  std::string MagicStr("Hello\r\nWorld\r\n");
+  if (InputStr == MagicStr) {
+    std::cout << "BINGO!";
+  }
+  return 0;
+}