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// Copyright (c) 2006-2008 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 NET_DISK_CACHE_DISK_CACHE_TEST_UTIL_H_
#define NET_DISK_CACHE_DISK_CACHE_TEST_UTIL_H_
#include <string>
#include "base/message_loop.h"
#include "base/task.h"
// Re-creates a given test file inside the cache test folder.
bool CreateCacheTestFile(const wchar_t* name);
// Deletes all file son the cache.
bool DeleteCache(const wchar_t* path);
// Gets the path to the cache test folder.
std::wstring GetCachePath();
// Fills buffer with random values (may contain nulls unless no_nulls is true).
void CacheTestFillBuffer(char* buffer, size_t len, bool no_nulls);
// Deletes all files matching a pattern.
// Do not call this function with "*" as search_name.
bool DeleteFiles(const wchar_t* path, const wchar_t* search_name);
// Generates a random key of up to 200 bytes.
std::string GenerateKey(bool same_length);
// Returns true if the cache is not corrupt.
bool CheckCacheIntegrity(const std::wstring& path);
// -----------------------------------------------------------------------
// Simple callback to process IO completions from the cache.
class CallbackTest : public CallbackRunner< Tuple1<int> > {
public:
explicit CallbackTest(int id) : id_(id), reuse_(0) {}
explicit CallbackTest(int id, bool reuse) : id_(id), reuse_(reuse ? 0 : 1) {}
~CallbackTest() {}
virtual void RunWithParams(const Tuple1<int>& params);
private:
int id_;
int reuse_;
DISALLOW_COPY_AND_ASSIGN(CallbackTest);
};
// -----------------------------------------------------------------------
// Simple helper to deal with the message loop on a test.
class MessageLoopHelper {
public:
MessageLoopHelper();
// Run the message loop and wait for num_callbacks before returning. Returns
// false if we are waiting to long.
bool WaitUntilCacheIoFinished(int num_callbacks);
private:
// Sets the number of callbacks that can be received so far.
void ExpectCallbacks(int num_callbacks) {
num_callbacks_ = num_callbacks;
num_iterations_ = last_ = 0;
completed_ = false;
}
// Called periodically to test if WaitUntilCacheIoFinished should return.
void TimerExpired();
base::RepeatingTimer<MessageLoopHelper> timer_;
int num_callbacks_;
int num_iterations_;
int last_;
bool completed_;
DISALLOW_COPY_AND_ASSIGN(MessageLoopHelper);
};
#endif // NET_DISK_CACHE_DISK_CACHE_TEST_UTIL_H_
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