phoenix-firestorm/indra/llcommon/tests/wrapllerrs.h

74 lines
2.5 KiB
C++

/**
* @file wrapllerrs.h
* @author Nat Goodspeed
* @date 2009-03-11
* @brief Define a class useful for unit tests that engage llerrs (LL_ERRS) functionality
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#if ! defined(LL_WRAPLLERRS_H)
#define LL_WRAPLLERRS_H
#include "llerrorcontrol.h"
struct WrapLL_ERRS
{
WrapLL_ERRS():
// Resetting Settings discards the default Recorder that writes to
// stderr. Otherwise, expected llerrs (LL_ERRS) messages clutter the
// console output of successful tests, potentially confusing things.
mPriorErrorSettings(LLError::saveAndResetSettings()),
// Save shutdown function called by LL_ERRS
mPriorFatal(LLError::getFatalFunction())
{
// Make LL_ERRS call our own operator() method
LLError::setFatalFunction(boost::bind(&WrapLL_ERRS::operator(), this, _1));
}
~WrapLL_ERRS()
{
LLError::setFatalFunction(mPriorFatal);
LLError::restoreSettings(mPriorErrorSettings);
}
struct FatalException: public std::runtime_error
{
FatalException(const std::string& what): std::runtime_error(what) {}
};
void operator()(const std::string& message)
{
// Save message for later in case consumer wants to sense the result directly
error = message;
// Also throw an appropriate exception since calling code is likely to
// assume that control won't continue beyond LL_ERRS.
throw FatalException(message);
}
std::string error;
LLError::Settings* mPriorErrorSettings;
LLError::FatalFunction mPriorFatal;
};
#endif /* ! defined(LL_WRAPLLERRS_H) */