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/*
* Copyright (C) 2012 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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.
*/
#include "config.h"
#if USE(LEVELDB)
#include "FileSystem.h"
#include "LevelDBComparator.h"
#include "LevelDBDatabase.h"
#include "LevelDBSlice.h"
#include <gtest/gtest.h>
#include <webkit/support/webkit_support.h>
#include <wtf/Vector.h>
using namespace WebCore;
namespace {
class SimpleComparator : public LevelDBComparator {
public:
virtual int compare(const LevelDBSlice& a, const LevelDBSlice& b) const OVERRIDE
{
size_t len = std::min(a.end() - a.begin(), b.end() - b.begin());
return memcmp(a.begin(), b.begin(), len);
}
virtual const char* name() const OVERRIDE { return "temp_comparator"; }
};
Vector<char> encodeString(const std::string& s)
{
Vector<char> ret(s.size());
for (size_t i = 0; i < s.size(); ++i)
ret.append(s[i]);
return ret;
}
TEST(LevelDBDatabaseTest, CorruptionTest)
{
OwnPtr<webkit_support::ScopedTempDirectory> tempDirectory = adoptPtr(webkit_support::CreateScopedTempDirectory());
tempDirectory->CreateUniqueTempDir();
const String path = String::fromUTF8(tempDirectory->path().c_str());
const Vector<char> key = encodeString("key");
const Vector<char> putValue = encodeString("value");
Vector<char> gotValue;
SimpleComparator comparator;
OwnPtr<LevelDBDatabase> leveldb = LevelDBDatabase::open(path, &comparator);
EXPECT_TRUE(leveldb);
bool success = leveldb->put(key, putValue);
EXPECT_TRUE(success);
leveldb.release();
EXPECT_FALSE(leveldb);
leveldb = LevelDBDatabase::open(path, &comparator);
EXPECT_TRUE(leveldb);
success = leveldb->get(key, gotValue);
EXPECT_TRUE(success);
EXPECT_EQ(putValue, gotValue);
leveldb.release();
EXPECT_FALSE(leveldb);
const String filepath = pathByAppendingComponent(path, "CURRENT");
PlatformFileHandle handle = openFile(filepath, OpenForWrite);
truncateFile(handle, 0);
closeFile(handle);
leveldb = LevelDBDatabase::open(path, &comparator);
EXPECT_FALSE(leveldb);
bool destroyed = LevelDBDatabase::destroy(path);
EXPECT_TRUE(destroyed);
leveldb = LevelDBDatabase::open(path, &comparator);
EXPECT_TRUE(leveldb);
success = leveldb->get(key, gotValue);
EXPECT_FALSE(success);
}
} // namespace
#endif // USE(LEVELDB)
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