Add fuzz target for utf_string_conversions.cc
[email protected],[email protected]
Change-Id: Iffdf811f564a181925818829a2464e4a77df3719
Reviewed-on: https://chromium-review.googlesource.com/976652
Reviewed-by: Daniel Cheng <[email protected]>
Reviewed-by: Robert Sesek <[email protected]>
Commit-Queue: Abhishek Arya <[email protected]>
Cr-Commit-Position: refs/heads/master@{#545337}diff --git a/base/strings/utf_string_conversions_fuzzer.cc b/base/strings/utf_string_conversions_fuzzer.cc
new file mode 100644
index 0000000..37d4be2
--- /dev/null
+++ b/base/strings/utf_string_conversions_fuzzer.cc
@@ -0,0 +1,56 @@
+// Copyright 2018 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+
+std::string output_std_string;
+std::wstring output_std_wstring;
+base::string16 output_string16;
+
+// Entry point for LibFuzzer.
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ base::StringPiece string_piece_input(reinterpret_cast<const char*>(data),
+ size);
+
+ base::UTF8ToWide(string_piece_input);
+ base::UTF8ToWide(reinterpret_cast<const char*>(data), size,
+ &output_std_wstring);
+ base::UTF8ToUTF16(string_piece_input);
+ base::UTF8ToUTF16(reinterpret_cast<const char*>(data), size,
+ &output_string16);
+
+ // Test for char16.
+ if (size % 2 == 0) {
+ base::StringPiece16 string_piece_input16(
+ reinterpret_cast<const base::char16*>(data), size / 2);
+ base::UTF16ToWide(output_string16);
+ base::UTF16ToWide(reinterpret_cast<const base::char16*>(data), size / 2,
+ &output_std_wstring);
+ base::UTF16ToUTF8(string_piece_input16);
+ base::UTF16ToUTF8(reinterpret_cast<const base::char16*>(data), size / 2,
+ &output_std_string);
+ }
+
+ // Test for wchar_t.
+ size_t wchar_t_size = sizeof(wchar_t);
+ if (size % wchar_t_size == 0) {
+ base::WideToUTF8(output_std_wstring);
+ base::WideToUTF8(reinterpret_cast<const wchar_t*>(data),
+ size / wchar_t_size, &output_std_string);
+ base::WideToUTF16(output_std_wstring);
+ base::WideToUTF16(reinterpret_cast<const wchar_t*>(data),
+ size / wchar_t_size, &output_string16);
+ }
+
+ // Test for ASCII. This condition is needed to avoid hitting instant CHECK
+ // failures.
+ if (base::IsStringASCII(string_piece_input)) {
+ output_string16 = base::ASCIIToUTF16(string_piece_input);
+ base::StringPiece16 string_piece_input16(output_string16);
+ base::UTF16ToASCII(string_piece_input16);
+ }
+
+ return 0;
+}
