AU: Extent writer utility classes

src/platform/update_engine/test_utils.h

 // Copyright (c) 2009 The Chromium OS 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 CHROMEOS_PLATFORM_UPDATE_ENGINE_TEST_UTILS_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_TEST_UTILS_H__
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 26 matching lines @@
 
 std::string GetUnusedLoopDevice();
 
 // Returns true iff a == b
 bool ExpectVectorsEq(const std::vector<char>& a, const std::vector<char>& b);
 
 inline int System(const std::string& cmd) {
   return system(cmd.c_str());
 }
 
+void FillWithData(std::vector<char>* buffer);
+
 namespace {
 // 300 byte pseudo-random string. Not null terminated.
 // This does not gzip compress well.
 const unsigned char kRandomString[] = {
   0xf2, 0xb7, 0x55, 0x92, 0xea, 0xa6, 0xc9, 0x57,
   0xe0, 0xf8, 0xeb, 0x34, 0x93, 0xd9, 0xc4, 0x8f,
   0xcb, 0x20, 0xfa, 0x37, 0x4b, 0x40, 0xcf, 0xdc,
   0xa5, 0x08, 0x70, 0x89, 0x79, 0x35, 0xe2, 0x3d,
   0x56, 0xa4, 0x75, 0x73, 0xa3, 0x6d, 0xd1, 0xd5,
   0x26, 0xbb, 0x9c, 0x60, 0xbd, 0x2f, 0x5a, 0xfa,
@@ skipping 112 matching lines @@
   static std::string StaticType() { return "ObjectCollectorAction"; }
   std::string Type() const { return StaticType(); }
   const T& object() const { return object_; }
  private:
   T object_;
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_TEST_UTILS_H__