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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#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_EVIL_CONSTRUCTORS(CallbackTest);
};
// -----------------------------------------------------------------------
// We'll use a timer to fire from time to time to check the number of IO
// operations finished so far.
class TimerTask : public Task {
public:
TimerTask() : num_callbacks_(0), num_iterations_(0) {}
~TimerTask() {}
virtual void Run();
// 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;
}
// Returns true if all callbacks were invoked.
bool GetSate() {
return completed_;
}
private:
int num_callbacks_;
int num_iterations_;
int last_;
bool completed_;
DISALLOW_EVIL_CONSTRUCTORS(TimerTask);
};
// -----------------------------------------------------------------------
// Simple helper to deal with the message loop on a test.
class MessageLoopHelper {
public:
MessageLoopHelper();
~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:
MessageLoop* message_loop_;
Timer* timer_;
TimerTask timer_task_;
DISALLOW_EVIL_CONSTRUCTORS(MessageLoopHelper);
};
#endif // NET_DISK_CACHE_DISK_CACHE_TEST_UTIL_H__
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