Fuzzer for TextCodecs

third_party/WebKit/Source/platform/testing/FuzzedDataProvider.h

 // Copyright 2016 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.
 
 #ifndef FuzzedDataProvider_h
 #define FuzzedDataProvider_h
 
 #include "base/test/fuzzed_data_provider.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/CString.h"
@@ skipping 12 matching lines @@
   // length is greater than the length of the remaining data this is
   // equivalent to ConsumeRemainingBytes().
   CString ConsumeBytesInRange(uint32_t minBytes, uint32_t maxBytes);
 
   // Returns a String containing all remaining bytes of the input data.
   CString ConsumeRemainingBytes();
 
   // Returns a bool, or false when no data remains.
   bool ConsumeBool();
 
+  // Returns a value from |array|, consuming as many bytes as needed to do so.
+  // |array| must be a fixed-size array.
+  template <typename Type, size_t size>
+  Type PickValueInArray(Type (&array)[size]) {
+    return array[m_provider.ConsumeUint32InRange(0, size - 1)];
+  }
+
  private:
   base::FuzzedDataProvider m_provider;
 };
 
 }  // namespace blink
 
 #endif  // FuzzedDataProvider_h