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/*
    This file is part of cpp-ethereum.

    cpp-ethereum 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.

    cpp-ethereum 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 cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * @author Christian <c@ethdev.com>
 * @date 2016
 * Tests for the json ast output.
 */

#include <string>
#include <boost/test/unit_test.hpp>
#include <libsolidity/interface/Exceptions.h>
#include <libsolidity/interface/CompilerStack.h>
#include <libsolidity/ast/ASTJsonConverter.h>

using namespace std;

namespace dev
{
namespace solidity
{
namespace test
{

BOOST_AUTO_TEST_SUITE(SolidityASTJSON)

BOOST_AUTO_TEST_CASE(smoke_test)
{
    CompilerStack c;
    c.addSource("a", "contract C {}");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    BOOST_CHECK_EQUAL(astJson["name"], "SourceUnit");
}

BOOST_AUTO_TEST_CASE(source_location)
{
    CompilerStack c;
    c.addSource("a", "contract C { function f() { var x = 2; x++; } }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    BOOST_CHECK_EQUAL(astJson["name"], "SourceUnit");
    BOOST_CHECK_EQUAL(astJson["children"][0]["name"], "ContractDefinition");
    BOOST_CHECK_EQUAL(astJson["children"][0]["children"][0]["name"], "FunctionDefinition");
    BOOST_CHECK_EQUAL(astJson["children"][0]["children"][0]["src"], "13:32:1");
}

BOOST_AUTO_TEST_CASE(inheritance_specifier)
{
    CompilerStack c;
    c.addSource("a", "contract C1 {} contract C2 is C1 {}");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    BOOST_CHECK_EQUAL(astJson["children"][1]["attributes"]["name"], "C2");
    BOOST_CHECK_EQUAL(astJson["children"][1]["children"][0]["name"], "InheritanceSpecifier");
    BOOST_CHECK_EQUAL(astJson["children"][1]["children"][0]["src"], "30:2:1");
    BOOST_CHECK_EQUAL(astJson["children"][1]["children"][0]["children"][0]["name"], "UserDefinedTypeName");
    BOOST_CHECK_EQUAL(astJson["children"][1]["children"][0]["children"][0]["attributes"]["name"], "C1");
}

BOOST_AUTO_TEST_CASE(using_for_directive)
{
    CompilerStack c;
    c.addSource("a", "library L {} contract C { using L for uint; }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value usingFor = astJson["children"][1]["children"][0];
    BOOST_CHECK_EQUAL(usingFor["name"], "UsingForDirective");
    BOOST_CHECK_EQUAL(usingFor["src"], "26:17:1");
    BOOST_CHECK_EQUAL(usingFor["children"][0]["name"], "UserDefinedTypeName");
    BOOST_CHECK_EQUAL(usingFor["children"][0]["attributes"]["name"], "L");
    BOOST_CHECK_EQUAL(usingFor["children"][1]["name"], "ElementaryTypeName");
    BOOST_CHECK_EQUAL(usingFor["children"][1]["attributes"]["name"], "uint");    
}

BOOST_AUTO_TEST_CASE(enum_definition)
{
    CompilerStack c;
    c.addSource("a", "contract C { enum E {} }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value enumDefinition = astJson["children"][0]["children"][0];
    BOOST_CHECK_EQUAL(enumDefinition["name"], "EnumDefinition");
    BOOST_CHECK_EQUAL(enumDefinition["attributes"]["name"], "E");
    BOOST_CHECK_EQUAL(enumDefinition["src"], "13:9:1");
}

BOOST_AUTO_TEST_CASE(enum_value)
{
    CompilerStack c;
    c.addSource("a", "contract C { enum E { A, B } }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value enumDefinition = astJson["children"][0]["children"][0];
    BOOST_CHECK_EQUAL(enumDefinition["children"][0]["name"], "EnumValue");
    BOOST_CHECK_EQUAL(enumDefinition["children"][0]["attributes"]["name"], "A");
    BOOST_CHECK_EQUAL(enumDefinition["children"][0]["src"], "22:1:1");
    BOOST_CHECK_EQUAL(enumDefinition["children"][1]["name"], "EnumValue");
    BOOST_CHECK_EQUAL(enumDefinition["children"][1]["attributes"]["name"], "B");
    BOOST_CHECK_EQUAL(enumDefinition["children"][1]["src"], "25:1:1");
}

BOOST_AUTO_TEST_CASE(modifier_definition)
{
    CompilerStack c;
    c.addSource("a", "contract C { modifier M(uint i) { _ } function F() M(1) {} }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value modifier = astJson["children"][0]["children"][0];
    BOOST_CHECK_EQUAL(modifier["name"], "ModifierDefinition");
    BOOST_CHECK_EQUAL(modifier["attributes"]["name"], "M");
    BOOST_CHECK_EQUAL(modifier["src"], "13:24:1");
}

BOOST_AUTO_TEST_CASE(modifier_invocation)
{
    CompilerStack c;
    c.addSource("a", "contract C { modifier M(uint i) { _ } function F() M(1) {} }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value modifier = astJson["children"][0]["children"][1]["children"][2];
    BOOST_CHECK_EQUAL(modifier["name"], "ModifierInvocation");
    BOOST_CHECK_EQUAL(modifier["src"], "51:4:1");
    BOOST_CHECK_EQUAL(modifier["children"][0]["attributes"]["type"], "modifier (uint256)");
    BOOST_CHECK_EQUAL(modifier["children"][0]["attributes"]["value"], "M");
    BOOST_CHECK_EQUAL(modifier["children"][1]["attributes"]["value"], "1");
}

BOOST_AUTO_TEST_CASE(event_definition)
{
    CompilerStack c;
    c.addSource("a", "contract C { event E(); }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value event = astJson["children"][0]["children"][0];
    BOOST_CHECK_EQUAL(event["name"], "EventDefinition");
    BOOST_CHECK_EQUAL(event["attributes"]["name"], "E");
    BOOST_CHECK_EQUAL(event["src"], "13:10:1");
}

BOOST_AUTO_TEST_CASE(array_type_name)
{
    CompilerStack c;
    c.addSource("a", "contract C { uint[] i; }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value array = astJson["children"][0]["children"][0]["children"][0];
    BOOST_CHECK_EQUAL(array["name"], "ArrayTypeName");
    BOOST_CHECK_EQUAL(array["src"], "13:6:1");
}

BOOST_AUTO_TEST_CASE(placeholder_statement)
{
    CompilerStack c;
    c.addSource("a", "contract C { modifier M { _ } }");
    c.parse();
    map<string, unsigned> sourceIndices;
    sourceIndices["a"] = 1;
    Json::Value astJson = ASTJsonConverter(c.ast("a"), sourceIndices).json();
    Json::Value placeholder = astJson["children"][0]["children"][0]["children"][1]["children"][0];
    BOOST_CHECK_EQUAL(placeholder["name"], "PlaceholderStatement");
    BOOST_CHECK_EQUAL(placeholder["src"], "26:1:1");
}

BOOST_AUTO_TEST_SUITE_END()

}
}
} // end namespaces