net/disk_cache/simple/simple_test_util.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_DISK_CACHE_SIMPLE_SIMPLE_TEST_UTIL_H_
   6 #define NET_DISK_CACHE_SIMPLE_SIMPLE_TEST_UTIL_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback.h"
  12
  13 namespace base {
  14 class FilePath;
  15 }
  16
  17 namespace disk_cache {
  18 namespace simple_util {
  19
  20 // Immutable array with compile-time bound-checking.
  21 template <typename T, size_t Size>
  22 class ImmutableArray {
  23  public:
  24   static const size_t size = Size;
  25
  26   ImmutableArray(const base::Callback<T (size_t index)>& initializer) {
  27     for (size_t i = 0; i < size; ++i)
  28       data_[i] = initializer.Run(i);
  29   }
  30
  31   template <size_t Index>
  32   const T& at() const {
  33     static_assert(Index < size, "array out of bounds");
  34     return data_[Index];
  35   }
  36
  37  private:
  38   T data_[size];
  39 };
  40
  41 // Creates a corrupt file to be used in tests.
  42 bool CreateCorruptFileForTests(const std::string& key,
  43                                const base::FilePath& cache_path);
  44
  45 }  // namespace simple_backend
  46 }  // namespace disk_cache
  47
  48 #endif  // NET_DISK_CACHE_SIMPLE_SIMPLE_TEST_UTIL_H_