path: root/test/libdevcore/JSON.cpp

/*
    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 2018
 * Unit tests for JSON.h.
 */

#include <libdevcore/JSON.h>

#include <test/Options.h>

using namespace std;

namespace dev
{
namespace test
{

BOOST_AUTO_TEST_SUITE(JsonTest)

BOOST_AUTO_TEST_CASE(json_pretty_print)
{
    Json::Value json;
    Json::Value jsonChild;

    jsonChild["3.1"] = "3.1";
    jsonChild["3.2"] = 2;
    json["1"] = 1;
    json["2"] = "2";
    json["3"] = jsonChild;

    BOOST_CHECK(
    "{\n"
    "  \"1\" : 1,\n"
    "  \"2\" : \"2\",\n"
    "  \"3\" : \n"
    "  {\n"
    "    \"3.1\" : \"3.1\",\n"
    "    \"3.2\" : 2\n"
    "  }\n"
    "}" == jsonPrettyPrint(json));
}

BOOST_AUTO_TEST_CASE(json_compact_print)
{
    Json::Value json;
    Json::Value jsonChild;

    jsonChild["3.1"] = "3.1";
    jsonChild["3.2"] = 2;
    json["1"] = 1;
    json["2"] = "2";
    json["3"] = jsonChild;

    BOOST_CHECK("{\"1\":1,\"2\":\"2\",\"3\":{\"3.1\":\"3.1\",\"3.2\":2}}" == jsonCompactPrint(json));
}

BOOST_AUTO_TEST_CASE(parse_json_not_strict)
{
    Json::Value json;
    std::string errors;

    // just parse a valid json input
    BOOST_CHECK(jsonParse("{\"1\":1,\"2\":\"2\",\"3\":{\"3.1\":\"3.1\",\"3.2\":2}}", json, &errors));
    BOOST_CHECK(json["1"] == 1);
    BOOST_CHECK(json["2"] == "2");
    BOOST_CHECK(json["3"]["3.1"] == "3.1");
    BOOST_CHECK(json["3"]["3.2"] == 2);

    // trailing garbage is allowed here
    BOOST_CHECK(jsonParse("{\"1\":2,\"2\":\"2\",\"3\":{\"3.1\":\"3.1\",\"3.2\":3}}}}}}}}}}", json, &errors));
    BOOST_CHECK(json["1"] == 2);
    BOOST_CHECK(json["2"] == "2");
    BOOST_CHECK(json["3"]["3.1"] == "3.1");
    BOOST_CHECK(json["3"]["3.2"] == 3);

    // comments are allowed
    BOOST_CHECK(jsonParse(
        "{\"1\":3, // awesome comment\n\"2\":\"2\",\"3\":{\"3.1\":\"3.1\",\"3.2\":4}}", json, &errors
    ));
    BOOST_CHECK(json["1"] == 3);
    BOOST_CHECK(json["2"] == "2");
    BOOST_CHECK(json["3"]["3.1"] == "3.1");
    BOOST_CHECK(json["3"]["3.2"] == 4);

    // root element other than object or array is allowed
    BOOST_CHECK(jsonParse("[]", json, &errors));
    BOOST_CHECK(jsonParse("{}", json, &errors));
    BOOST_CHECK(jsonParse("1", json, &errors));
    BOOST_CHECK(json == 1);
    BOOST_CHECK(jsonParse("\"hello\"", json, &errors));
    BOOST_CHECK(json == "hello");

    // non-UTF-8 escapes allowed
    BOOST_CHECK(jsonParse("[ \"\x80\xec\x80\" ]", json, &errors));
    BOOST_CHECK(json[0] == "\x80\xec\x80");
}

BOOST_AUTO_TEST_CASE(parse_json_strict)
{
    Json::Value json;
    std::string errors;

    // just parse a valid json input
    BOOST_CHECK(jsonParseStrict("{\"1\":1,\"2\":\"2\",\"3\":{\"3.1\":\"3.1\",\"3.2\":2}}", json, &errors));
    BOOST_CHECK(json["1"] == 1);
    BOOST_CHECK(json["2"] == "2");
    BOOST_CHECK(json["3"]["3.1"] == "3.1");
    BOOST_CHECK(json["3"]["3.2"] == 2);

    // trailing garbage is not allowed in strict-mode
    BOOST_CHECK(!jsonParseStrict("{\"1\":2,\"2\":\"2\",\"3\":{\"3.1\":\"3.1\",\"3.2\":3}}}}}}}}}}", json, &errors));

    // comments are allowed in strict-mode? - that's strange...
    BOOST_CHECK(jsonParseStrict(
        "{\"1\":3, // awesome comment\n\"2\":\"2\",\"3\":{\"3.1\":\"3.1\",\"3.2\":5}}", json, &errors
    ));
    BOOST_CHECK(json["1"] == 3);
    BOOST_CHECK(json["2"] == "2");
    BOOST_CHECK(json["3"]["3.1"] == "3.1");
    BOOST_CHECK(json["3"]["3.2"] == 5);

    // root element can only be object or array
    BOOST_CHECK(jsonParseStrict("[]", json, &errors));
    BOOST_CHECK(jsonParseStrict("{}", json, &errors));
    BOOST_CHECK(!jsonParseStrict("1", json, &errors));
    BOOST_CHECK(!jsonParseStrict("\"hello\"", json, &errors));

    // non-UTF-8 escapes allowed??
    BOOST_CHECK(jsonParseStrict("[ \"\x80\xec\x80\" ]", json, &errors));
    BOOST_CHECK(json[0] == "\x80\xec\x80");
}

BOOST_AUTO_TEST_SUITE_END()

}
}