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285 lines
7.8 KiB
285 lines
7.8 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Unit tests for the name and type resolution of the solidity parser.
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*/
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#include <string>
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#include <libdevcore/Log.h>
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#include <libsolidity/Scanner.h>
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#include <libsolidity/Parser.h>
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#include <libsolidity/NameAndTypeResolver.h>
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#include <libsolidity/Exceptions.h>
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#include <boost/test/unit_test.hpp>
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namespace dev
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{
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namespace solidity
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{
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namespace test
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{
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namespace
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{
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void parseTextAndResolveNames(std::string const& _source)
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{
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Parser parser;
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ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
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for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
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if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
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{
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NameAndTypeResolver resolver({});
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resolver.resolveNamesAndTypes(*contract);
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}
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}
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}
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BOOST_AUTO_TEST_SUITE(SolidityNameAndTypeResolution)
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BOOST_AUTO_TEST_CASE(smoke_test)
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{
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char const* text = "contract test {\n"
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" uint256 stateVariable1;\n"
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" function fun(uint256 arg1) { var x; uint256 y; }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(double_stateVariable_declaration)
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{
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char const* text = "contract test {\n"
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" uint256 variable;\n"
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" uint128 variable;\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
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}
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BOOST_AUTO_TEST_CASE(double_function_declaration)
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{
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char const* text = "contract test {\n"
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" function fun() { var x; }\n"
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" function fun() { var x; }\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
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}
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BOOST_AUTO_TEST_CASE(double_variable_declaration)
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{
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char const* text = "contract test {\n"
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" function f() { uint256 x; if (true) { uint256 x; } }\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
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}
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BOOST_AUTO_TEST_CASE(name_shadowing)
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{
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char const* text = "contract test {\n"
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" uint256 variable;\n"
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" function f() { uint32 variable ; }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(name_references)
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{
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char const* text = "contract test {\n"
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" uint256 variable;\n"
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" function f(uint256 arg) returns (uint out) { f(variable); test; out; }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(undeclared_name)
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{
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char const* text = "contract test {\n"
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" uint256 variable;\n"
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" function f(uint256 arg) { f(notfound); }"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
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}
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BOOST_AUTO_TEST_CASE(reference_to_later_declaration)
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{
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char const* text = "contract test {\n"
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" function g() { f(); }"
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" function f() { }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(struct_definition_directly_recursive)
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{
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char const* text = "contract test {\n"
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" struct MyStructName {\n"
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" address addr;\n"
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" MyStructName x;\n"
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" }\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
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}
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BOOST_AUTO_TEST_CASE(struct_definition_indirectly_recursive)
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{
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char const* text = "contract test {\n"
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" struct MyStructName1 {\n"
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" address addr;\n"
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" uint256 count;\n"
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" MyStructName2 x;\n"
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" }\n"
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" struct MyStructName2 {\n"
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" MyStructName1 x;\n"
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" }\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
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}
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BOOST_AUTO_TEST_CASE(struct_definition_recursion_via_mapping)
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{
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char const* text = "contract test {\n"
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" struct MyStructName1 {\n"
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" address addr;\n"
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" uint256 count;\n"
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" mapping(uint => MyStructName1) x;\n"
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" }\n"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(type_inference_smoke_test)
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{
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char const* text = "contract test {\n"
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" function f(uint256 arg1, uint32 arg2) returns (bool ret) { var x = arg1 + arg2 == 8; ret = x; }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(type_checking_return)
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{
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char const* text = "contract test {\n"
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" function f() returns (bool r) { return 1 >= 2; }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(type_checking_return_wrong_number)
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{
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char const* text = "contract test {\n"
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" function f() returns (bool r1, bool r2) { return 1 >= 2; }"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
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}
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BOOST_AUTO_TEST_CASE(type_checking_return_wrong_type)
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{
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char const* text = "contract test {\n"
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" function f() returns (uint256 r) { return 1 >= 2; }"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
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}
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BOOST_AUTO_TEST_CASE(type_checking_function_call)
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{
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char const* text = "contract test {\n"
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" function f() returns (bool r) { return g(12, true) == 3; }\n"
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" function g(uint256 a, bool b) returns (uint256 r) { }\n"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(type_conversion_for_comparison)
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{
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char const* text = "contract test {\n"
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" function f() { uint32(2) == int64(2); }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(type_conversion_for_comparison_invalid)
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{
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char const* text = "contract test {\n"
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" function f() { int32(2) == uint64(2); }"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
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}
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BOOST_AUTO_TEST_CASE(type_inference_explicit_conversion)
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{
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char const* text = "contract test {\n"
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" function f() returns (int256 r) { var x = int256(uint32(2)); return x; }"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(balance)
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{
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char const* text = "contract test {\n"
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" function fun() {\n"
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" uint256 x = address(0).balance;\n"
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" }\n"
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"}\n";
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BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
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}
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BOOST_AUTO_TEST_CASE(balance_invalid)
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{
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char const* text = "contract test {\n"
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" function fun() {\n"
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" address(0).balance = 7;\n"
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" }\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
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}
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BOOST_AUTO_TEST_CASE(assignment_to_mapping)
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{
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char const* text = "contract test {\n"
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" struct str {\n"
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" mapping(uint=>uint) map;\n"
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" }\n"
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" str data;"
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" function fun() {\n"
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" var a = data.map;\n"
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" data.map = a;\n"
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" }\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
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}
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BOOST_AUTO_TEST_CASE(assignment_to_struct)
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{
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char const* text = "contract test {\n"
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" struct str {\n"
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" mapping(uint=>uint) map;\n"
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" }\n"
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" str data;"
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" function fun() {\n"
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" var a = data;\n"
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" data = a;\n"
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" }\n"
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"}\n";
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BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
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}
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BOOST_AUTO_TEST_SUITE_END()
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}
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}
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} // end namespaces
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