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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/>.
*/
/**
 * @date 2017
 * Unit tests for solc/jsonCompiler.cpp.
 */

#include <string>
#include <iostream>
#include <regex>
#include <boost/test/unit_test.hpp>
#include <libdevcore/JSON.h>
#include <libsolidity/interface/Version.h>

#include "../Metadata.h"
#include "../TestHelper.h"

using namespace std;

extern "C"
{
extern char const* version();
extern char const* license();
extern char const* compileJSONMulti(char const* _input, bool _optimize);
extern char const* compileJSONCallback(char const* _input, bool _optimize, void* _readCallback);
}

namespace dev
{
namespace solidity
{
namespace test
{

namespace
{

Json::Value compileMulti(string const& _input, bool _callback)
{
    string output(
        _callback ?
        compileJSONCallback(_input.c_str(), dev::test::Options::get().optimize, NULL) :
        compileJSONMulti(_input.c_str(), dev::test::Options::get().optimize)
    );
    Json::Value ret;
    BOOST_REQUIRE(Json::Reader().parse(output, ret, false));
    return ret;
}

} // end anonymous namespace

BOOST_AUTO_TEST_SUITE(JSONCompiler)

BOOST_AUTO_TEST_CASE(read_version)
{
    string output(version());
    BOOST_CHECK(output.find(VersionString) == 0);
}

BOOST_AUTO_TEST_CASE(read_license)
{
    string output(license());
    BOOST_CHECK(output.find("GNU GENERAL PUBLIC LICENSE") != string::npos);
}

BOOST_AUTO_TEST_CASE(basic_compilation)
{
    char const* input = R"(
    {
        "sources": {
            "fileA": "contract A { }"
        }
    }
    )";
    Json::Value result = compileMulti(input, false);
    BOOST_CHECK(result.isObject());

    // Compare with compileJSONCallback
    BOOST_CHECK_EQUAL(
        dev::jsonCompactPrint(result),
        dev::jsonCompactPrint(compileMulti(input, true))
    );

    BOOST_CHECK(result["contracts"].isObject());
    BOOST_CHECK(result["contracts"]["fileA:A"].isObject());
    Json::Value contract = result["contracts"]["fileA:A"];
    BOOST_CHECK(contract.isObject());
    BOOST_CHECK(contract["interface"].isString());
    BOOST_CHECK_EQUAL(contract["interface"].asString(), "[]");
    BOOST_CHECK(contract["bytecode"].isString());
    BOOST_CHECK_EQUAL(
        dev::test::bytecodeSansMetadata(contract["bytecode"].asString()),
        "60606040523415600e57600080fd5b5b603680601c6000396000f30060606040525b600080fd00"
    );
    BOOST_CHECK(contract["runtimeBytecode"].isString());
    BOOST_CHECK_EQUAL(
        dev::test::bytecodeSansMetadata(contract["runtimeBytecode"].asString()),
        "60606040525b600080fd00"
    );
    BOOST_CHECK(contract["functionHashes"].isObject());
    BOOST_CHECK(contract["gasEstimates"].isObject());
    BOOST_CHECK_EQUAL(
        dev::jsonCompactPrint(contract["gasEstimates"]),
        "{\"creation\":[62,10800],\"external\":{},\"internal\":{}}"
    );
    BOOST_CHECK(contract["metadata"].isString());
    BOOST_CHECK(dev::test::isValidMetadata(contract["metadata"].asString()));
    BOOST_CHECK(result["sources"].isObject());
    BOOST_CHECK(result["sources"]["fileA"].isObject());
    BOOST_CHECK(result["sources"]["fileA"]["AST"].isObject());
    BOOST_CHECK_EQUAL(
        dev::jsonCompactPrint(result["sources"]["fileA"]["AST"]),
        "{\"attributes\":{\"absolutePath\":\"fileA\",\"exportedSymbols\":{\"A\":[1]}},"
        "\"children\":[{\"attributes\":{\"baseContracts\":[null],\"contractDependencies\":[null],"
        "\"contractKind\":\"contract\",\"documentation\":null,\"fullyImplemented\":true,\"linearizedBaseContracts\":[1],"
        "\"name\":\"A\",\"nodes\":[null],\"scope\":2},\"id\":1,\"name\":\"ContractDefinition\","
        "\"src\":\"0:14:0\"}],\"id\":2,\"name\":\"SourceUnit\",\"src\":\"0:14:0\"}"
    );
}

BOOST_AUTO_TEST_SUITE_END()

}
}
} // end namespaces