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Name resolution.

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Christian 2014-10-13 15:07:21 +02:00
parent 51f335838c
commit 9c9a529b9d
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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 2014
* Unit tests for the name and type resolution of the solidity parser.
*/
#include <string>
#include <libdevcore/Log.h>
#include <libsolidity/Scanner.h>
#include <libsolidity/Parser.h>
#include <libsolidity/NameAndTypeResolver.h>
#include <boost/test/unit_test.hpp>
namespace dev {
namespace solidity {
namespace test {
namespace {
void parseTextAndResolveNames(const std::string& _source)
{
Parser parser;
ptr<ContractDefinition> contract = parser.parse(
std::make_shared<Scanner>(CharStream(_source)));
NameAndTypeResolver resolver;
resolver.resolveNamesAndTypes(*contract);
}
}
BOOST_AUTO_TEST_SUITE(SolidityNameAndTypeResolution)
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* text = "contract test {\n"
" uint256 stateVariable1;\n"
" function fun(uint256 arg1) { var x = 2; uint256 y = 3; x = 1; }"
"}\n";
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}
BOOST_AUTO_TEST_CASE(double_stateVariable_declaration)
{
char const* text = "contract test {\n"
" uint256 variable;\n"
" uint128 variable;\n"
"}\n";
BOOST_CHECK_THROW(parseTextAndResolveNames(text), std::exception);
}
BOOST_AUTO_TEST_CASE(double_function_declaration)
{
char const* text = "contract test {\n"
" function fun() { var x = 2; }\n"
" function fun() { var y = 9; }\n"
"}\n";
BOOST_CHECK_THROW(parseTextAndResolveNames(text), std::exception);
}
BOOST_AUTO_TEST_CASE(double_variable_declaration)
{
char const* text = "contract test {\n"
" function f() { uint256 x = 9; if (true) { uint256 x = 2;} x = 3; }\n"
"}\n";
BOOST_CHECK_THROW(parseTextAndResolveNames(text), std::exception);
}
BOOST_AUTO_TEST_CASE(name_shadowing)
{
char const* text = "contract test {\n"
" uint256 variable;\n"
" function f() { uint8 variable = 2; }"
"}\n";
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}
BOOST_AUTO_TEST_CASE(name_references)
{
char const* text = "contract test {\n"
" uint256 variable;\n"
" function f() { variable = 2; f(); test; }"
"}\n";
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}
BOOST_AUTO_TEST_CASE(undeclared_name)
{
char const* text = "contract test {\n"
" uint256 variable;\n"
" function f() { notfound = 2; }"
"}\n";
BOOST_CHECK_THROW(parseTextAndResolveNames(text), std::exception);
}
BOOST_AUTO_TEST_SUITE_END()
} } } // end namespaces