test/libsolidity/ErrorCheck.cpp


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/*
    This file is part of solidity.

    solidity is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    solidity 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ErrorCheck.cpp
 * @author Yoichi Hirai <i@yoichihirai.com>
 * @date 2016
 */

#include <test/libsolidity/ErrorCheck.h>
#include <libdevcore/Exceptions.h>

#include <string>
#include <set>

using namespace std;
using namespace dev;
using namespace langutil;
using namespace dev::solidity;

namespace
{
std::string errorMessage(Error const& _e)
{
    return _e.comment() ? *_e.comment() : "NONE";
}
}

bool dev::solidity::searchErrorMessage(Error const& _err, std::string const& _substr)
{
    if (string const* errorMessage = _err.comment())
    {
        if (errorMessage->find(_substr) == std::string::npos)
        {
            cout << "Expected message \"" << _substr << "\" but found \"" << *errorMessage << "\".\n";
            return false;
        }
        return true;
    }
    else
        cout << "Expected error message but found none." << endl;
    return _substr.empty();
}

string dev::solidity::searchErrors(ErrorList const& _errors, vector<pair<Error::Type, string>> const& _expectations)
{
    auto expectations = _expectations;
    for (auto const& error: _errors)
    {
        string msg = errorMessage(*error);
        bool found = false;
        for (auto it = expectations.begin(); it != expectations.end(); ++it)
            if (msg.find(it->second) != string::npos && error->type() == it->first)
            {
                found = true;
                expectations.erase(it);
                break;
            }
        if (!found)
            return "Unexpected error: " + error->typeName() + ": " + msg;
    }
    if (!expectations.empty())
    {
        string msg = "Expected error(s) not present:\n";
        for (auto const& expectation: expectations)
            msg += expectation.second + "\n";
        return msg;
    }

    return "";
}