<commit_before>/*
    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 <<EMAIL>>
 * @date 2014
 * Unit tests for the name and type resolution of the solidity parser.
 */

#include <string>

#include <libdevcore/Log.h>
#include <libdevcore/SHA3.h>
#include <libsolidity/Scanner.h>
#include <libsolidity/Parser.h>
#include <libsolidity/NameAndTypeResolver.h>
#include <libsolidity/Exceptions.h>
#include <libsolidity/GlobalContext.h>
#include "../TestHelper.h"

using namespace std;

namespace dev
{
namespace solidity
{
namespace test
{

namespace
{

ASTPointer<SourceUnit> parseTextAndResolveNames(std::string const& _source)
{
	Parser parser;
	ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
	NameAndTypeResolver resolver({});
	resolver.registerDeclarations(*sourceUnit);
	std::shared_ptr<GlobalContext> globalContext = make_shared<GlobalContext>();

	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
		if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
		{
			globalContext->setCurrentContract(*contract);
			resolver.updateDeclaration(*globalContext->getCurrentThis());
			resolver.updateDeclaration(*globalContext->getCurrentSuper());
			resolver.resolveNamesAndTypes(*contract);
		}
	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
		if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
		{
			globalContext->setCurrentContract(*contract);
			resolver.updateDeclaration(*globalContext->getCurrentThis());
			resolver.checkTypeRequirements(*contract);
		}

	return sourceUnit;
}


static ContractDefinition const* retrieveContract(ASTPointer<SourceUnit> _source, unsigned index)
{
	ContractDefinition* contract;
	unsigned counter = 0;
	for (ASTPointer<ASTNode> const& node: _source->getNodes())
		if ((contract = dynamic_cast<ContractDefinition*>(node.get())) && counter == index)
			return contract;

	return NULL;
}

static FunctionTypePointer const& retrieveFunctionBySignature(ContractDefinition const* _contract,
															  std::string const& _signature)
{
	FixedHash<4> hash(dev::sha3(_signature));
	return _contract->getInterfaceFunctions()[hash];
}

}

BOOST_AUTO_TEST_SUITE(SolidityNameAndTypeResolution)

BOOST_AUTO_TEST_CASE(smoke_test)
{
	char const* text = "contract test {\n"
					   "  uint256 stateVariable1;\n"
					   "  function fun(uint256 arg1) { uint256 y; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

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), DeclarationError);
}

BOOST_AUTO_TEST_CASE(double_function_declaration)
{
	char const* text = "contract test {\n"
					   "  function fun() { var x; }\n"
					   "  function fun() { var x; }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
}

BOOST_AUTO_TEST_CASE(double_variable_declaration)
{
	char const* text = "contract test {\n"
					   "  function f() { uint256 x; if (true)  { uint256 x; } }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
}

BOOST_AUTO_TEST_CASE(name_shadowing)
{
	char const* text = "contract test {\n"
					   "  uint256 variable;\n"
					   "  function f() { uint32 variable ; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(name_references)
{
	char const* text = "contract test {\n"
					   "  uint256 variable;\n"
					   "  function f(uint256 arg) returns (uint out) { f(variable); test; out; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(undeclared_name)
{
	char const* text = "contract test {\n"
					   "  uint256 variable;\n"
					   "  function f(uint256 arg) { f(notfound); }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
}

BOOST_AUTO_TEST_CASE(reference_to_later_declaration)
{
	char const* text = "contract test {\n"
					   "  function g() { f(); }"
					   "  function f() {  }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(struct_definition_directly_recursive)
{
	char const* text = "contract test {\n"
					   "  struct MyStructName {\n"
					   "    address addr;\n"
					   "    MyStructName x;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
}

BOOST_AUTO_TEST_CASE(struct_definition_indirectly_recursive)
{
	char const* text = "contract test {\n"
					   "  struct MyStructName1 {\n"
					   "    address addr;\n"
					   "    uint256 count;\n"
					   "    MyStructName2 x;\n"
					   "  }\n"
					   "  struct MyStructName2 {\n"
					   "    MyStructName1 x;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
}

BOOST_AUTO_TEST_CASE(struct_definition_not_really_recursive)
{
	char const* text = R"(
		contract test {
			struct s1 { uint a; }
			struct s2 { s1 x; s1 y; }
		}
	)";
	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}

BOOST_AUTO_TEST_CASE(struct_definition_recursion_via_mapping)
{
	char const* text = "contract test {\n"
					   "  struct MyStructName1 {\n"
					   "    address addr;\n"
					   "    uint256 count;\n"
					   "    mapping(uint => MyStructName1) x;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_inference_smoke_test)
{
	char const* text = "contract test {\n"
					   "  function f(uint256 arg1, uint32 arg2) returns (bool ret) { var x = arg1 + arg2 == 8; ret = x; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_checking_return)
{
	char const* text = "contract test {\n"
					   "  function f() returns (bool r) { return 1 >= 2; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_checking_return_wrong_number)
{
	char const* text = "contract test {\n"
					   "  function f() returns (bool r1, bool r2) { return 1 >= 2; }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(type_checking_return_wrong_type)
{
	char const* text = "contract test {\n"
					   "  function f() returns (uint256 r) { return 1 >= 2; }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(type_checking_function_call)
{
	char const* text = "contract test {\n"
					   "  function f() returns (bool r) { return g(12, true) == 3; }\n"
					   "  function g(uint256 a, bool b) returns (uint256 r) { }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_conversion_for_comparison)
{
	char const* text = "contract test {\n"
					   "  function f() { uint32(2) == int64(2); }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_conversion_for_comparison_invalid)
{
	char const* text = "contract test {\n"
					   "  function f() { int32(2) == uint64(2); }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(type_inference_explicit_conversion)
{
	char const* text = "contract test {\n"
					   "  function f() returns (int256 r) { var x = int256(uint32(2)); return x; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(large_string_literal)
{
	char const* text = "contract test {\n"
					   "  function f() { var x = \"123456789012345678901234567890123\"; }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(balance)
{
	char const* text = "contract test {\n"
					   "  function fun() {\n"
					   "    uint256 x = address(0).balance;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(balance_invalid)
{
	char const* text = "contract test {\n"
					   "  function fun() {\n"
					   "    address(0).balance = 7;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(assignment_to_mapping)
{
	char const* text = "contract test {\n"
					   "  struct str {\n"
					   "    mapping(uint=>uint) map;\n"
					   "  }\n"
					   "  str data;"
					   "  function fun() {\n"
					   "    var a = data.map;\n"
					   "    data.map = a;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(assignment_to_struct)
{
	char const* text = "contract test {\n"
					   "  struct str {\n"
					   "    mapping(uint=>uint) map;\n"
					   "  }\n"
					   "  str data;"
					   "  function fun() {\n"
					   "    var a = data;\n"
					   "    data = a;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(returns_in_constructor)
{
	char const* text = "contract test {\n"
					   "  function test() returns (uint a) {\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(forward_function_reference)
{
	char const* text = "contract First {\n"
					   "  function fun() returns (bool ret) {\n"
					   "    return Second(1).fun(1, true, 3) > 0;\n"
					   "  }\n"
					   "}\n"
					   "contract Second {\n"
					   "  function fun(uint a, bool b, uint c) returns (uint ret) {\n"
					   "    if (First(2).fun() == true) return 1;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(comparison_bitop_precedence)
{
	char const* text = "contract First {\n"
					   "  function fun() returns (bool ret) {\n"
					   "    return 1 & 2 == 8 & 9 && 1 ^ 2 < 4 | 6;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(function_no_implementation)
{
	ASTPointer<SourceUnit> sourceUnit;
	char const* text = "contract test {\n"
		"  function functionName(bytes32 input) returns (bytes32 out);\n"
		"}\n";
	ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
	std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
	ContractDefinition* contract = dynamic_cast<ContractDefinition*>(nodes[0].get());
	BOOST_CHECK(contract);
	BOOST_CHECK(!contract->isFullyImplemented());
	BOOST_CHECK(!contract->getDefinedFunctions()[0]->isFullyImplemented());
}

BOOST_AUTO_TEST_CASE(abstract_contract)
{
	ASTPointer<SourceUnit> sourceUnit;
	char const* text = R"(
		contract base { function foo(); }
		contract derived is base { function foo() {} }
		)";
	ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
	std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
	ContractDefinition* base = dynamic_cast<ContractDefinition*>(nodes[0].get());
	ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[1].get());
	BOOST_CHECK(base);
	BOOST_CHECK(!base->isFullyImplemented());
	BOOST_CHECK(!base->getDefinedFunctions()[0]->isFullyImplemented());
	BOOST_CHECK(derived);
	BOOST_CHECK(derived->isFullyImplemented());
	BOOST_CHECK(derived->getDefinedFunctions()[0]->isFullyImplemented());<commit_msg>Fixed checking of abstract functions.<commit_after>/*
    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 <<EMAIL>>
 * @date 2014
 * Unit tests for the name and type resolution of the solidity parser.
 */

#include <string>

#include <libdevcore/Log.h>
#include <libdevcore/SHA3.h>
#include <libsolidity/Scanner.h>
#include <libsolidity/Parser.h>
#include <libsolidity/NameAndTypeResolver.h>
#include <libsolidity/Exceptions.h>
#include <libsolidity/GlobalContext.h>
#include "../TestHelper.h"

using namespace std;

namespace dev
{
namespace solidity
{
namespace test
{

namespace
{

ASTPointer<SourceUnit> parseTextAndResolveNames(std::string const& _source)
{
	Parser parser;
	ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
	NameAndTypeResolver resolver({});
	resolver.registerDeclarations(*sourceUnit);
	std::shared_ptr<GlobalContext> globalContext = make_shared<GlobalContext>();

	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
		if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
		{
			globalContext->setCurrentContract(*contract);
			resolver.updateDeclaration(*globalContext->getCurrentThis());
			resolver.updateDeclaration(*globalContext->getCurrentSuper());
			resolver.resolveNamesAndTypes(*contract);
		}
	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
		if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
		{
			globalContext->setCurrentContract(*contract);
			resolver.updateDeclaration(*globalContext->getCurrentThis());
			resolver.checkTypeRequirements(*contract);
		}

	return sourceUnit;
}


static ContractDefinition const* retrieveContract(ASTPointer<SourceUnit> _source, unsigned index)
{
	ContractDefinition* contract;
	unsigned counter = 0;
	for (ASTPointer<ASTNode> const& node: _source->getNodes())
		if ((contract = dynamic_cast<ContractDefinition*>(node.get())) && counter == index)
			return contract;

	return NULL;
}

static FunctionTypePointer const& retrieveFunctionBySignature(ContractDefinition const* _contract,
															  std::string const& _signature)
{
	FixedHash<4> hash(dev::sha3(_signature));
	return _contract->getInterfaceFunctions()[hash];
}

}

BOOST_AUTO_TEST_SUITE(SolidityNameAndTypeResolution)

BOOST_AUTO_TEST_CASE(smoke_test)
{
	char const* text = "contract test {\n"
					   "  uint256 stateVariable1;\n"
					   "  function fun(uint256 arg1) { uint256 y; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

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), DeclarationError);
}

BOOST_AUTO_TEST_CASE(double_function_declaration)
{
	char const* text = "contract test {\n"
					   "  function fun() { var x; }\n"
					   "  function fun() { var x; }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
}

BOOST_AUTO_TEST_CASE(double_variable_declaration)
{
	char const* text = "contract test {\n"
					   "  function f() { uint256 x; if (true)  { uint256 x; } }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
}

BOOST_AUTO_TEST_CASE(name_shadowing)
{
	char const* text = "contract test {\n"
					   "  uint256 variable;\n"
					   "  function f() { uint32 variable ; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(name_references)
{
	char const* text = "contract test {\n"
					   "  uint256 variable;\n"
					   "  function f(uint256 arg) returns (uint out) { f(variable); test; out; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(undeclared_name)
{
	char const* text = "contract test {\n"
					   "  uint256 variable;\n"
					   "  function f(uint256 arg) { f(notfound); }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
}

BOOST_AUTO_TEST_CASE(reference_to_later_declaration)
{
	char const* text = "contract test {\n"
					   "  function g() { f(); }"
					   "  function f() {  }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(struct_definition_directly_recursive)
{
	char const* text = "contract test {\n"
					   "  struct MyStructName {\n"
					   "    address addr;\n"
					   "    MyStructName x;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
}

BOOST_AUTO_TEST_CASE(struct_definition_indirectly_recursive)
{
	char const* text = "contract test {\n"
					   "  struct MyStructName1 {\n"
					   "    address addr;\n"
					   "    uint256 count;\n"
					   "    MyStructName2 x;\n"
					   "  }\n"
					   "  struct MyStructName2 {\n"
					   "    MyStructName1 x;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
}

BOOST_AUTO_TEST_CASE(struct_definition_not_really_recursive)
{
	char const* text = R"(
		contract test {
			struct s1 { uint a; }
			struct s2 { s1 x; s1 y; }
		}
	)";
	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}

BOOST_AUTO_TEST_CASE(struct_definition_recursion_via_mapping)
{
	char const* text = "contract test {\n"
					   "  struct MyStructName1 {\n"
					   "    address addr;\n"
					   "    uint256 count;\n"
					   "    mapping(uint => MyStructName1) x;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_inference_smoke_test)
{
	char const* text = "contract test {\n"
					   "  function f(uint256 arg1, uint32 arg2) returns (bool ret) { var x = arg1 + arg2 == 8; ret = x; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_checking_return)
{
	char const* text = "contract test {\n"
					   "  function f() returns (bool r) { return 1 >= 2; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_checking_return_wrong_number)
{
	char const* text = "contract test {\n"
					   "  function f() returns (bool r1, bool r2) { return 1 >= 2; }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(type_checking_return_wrong_type)
{
	char const* text = "contract test {\n"
					   "  function f() returns (uint256 r) { return 1 >= 2; }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(type_checking_function_call)
{
	char const* text = "contract test {\n"
					   "  function f() returns (bool r) { return g(12, true) == 3; }\n"
					   "  function g(uint256 a, bool b) returns (uint256 r) { }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_conversion_for_comparison)
{
	char const* text = "contract test {\n"
					   "  function f() { uint32(2) == int64(2); }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(type_conversion_for_comparison_invalid)
{
	char const* text = "contract test {\n"
					   "  function f() { int32(2) == uint64(2); }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(type_inference_explicit_conversion)
{
	char const* text = "contract test {\n"
					   "  function f() returns (int256 r) { var x = int256(uint32(2)); return x; }"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(large_string_literal)
{
	char const* text = "contract test {\n"
					   "  function f() { var x = \"123456789012345678901234567890123\"; }"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(balance)
{
	char const* text = "contract test {\n"
					   "  function fun() {\n"
					   "    uint256 x = address(0).balance;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(balance_invalid)
{
	char const* text = "contract test {\n"
					   "  function fun() {\n"
					   "    address(0).balance = 7;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(assignment_to_mapping)
{
	char const* text = "contract test {\n"
					   "  struct str {\n"
					   "    mapping(uint=>uint) map;\n"
					   "  }\n"
					   "  str data;"
					   "  function fun() {\n"
					   "    var a = data.map;\n"
					   "    data.map = a;\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(assignment_to_struct)
{
	char const* text = "contract test {\n"
					   "  struct str {\n"
					   "    mapping(uint=>uint) map;\n"
					   "  }\n"
					   "  str data;"
					   "  function fun() {\n"
					   "    var a = data;\n"
					   "    data = a;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(returns_in_constructor)
{
	char const* text = "contract test {\n"
					   "  function test() returns (uint a) {\n"
					   "  }\n"
					   "}\n";
	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}

BOOST_AUTO_TEST_CASE(forward_function_reference)
{
	char const* text = "contract First {\n"
					   "  function fun() returns (bool ret) {\n"
					   "    return Second(1).fun(1, true, 3) > 0;\n"
					   "  }\n"
					   "}\n"
					   "contract Second {\n"
					   "  function fun(uint a, bool b, uint c) returns (uint ret) {\n"
					   "    if (First(2).fun() == true) return 1;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(comparison_bitop_precedence)
{
	char const* text = "contract First {\n"
					   "  function fun() returns (bool ret) {\n"
					   "    return 1 & 2 == 8 & 9 && 1 ^ 2 < 4 | 6;\n"
					   "  }\n"
					   "}\n";
	ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
}

BOOST_AUTO_TEST_CASE(function_no_implementation)
{
	ASTPointer<SourceUnit> sourceUnit;
	char const* text = "contract test {\n"
		"  function functionName(bytes32 input) returns (bytes32 out);\n"
		"}\n";
	ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
	std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
	ContractDefinition* contract = dynamic_cast<ContractDefinition*>(nodes[0].get());
	BOOST_CHECK(contract);
	BOOST_CHECK(!contract->isFullyImplemented());
	BOOST_CHECK(!contract->getDefinedFunctions()[0]->isFullyImplemented());
}

BOOST_AUTO_TEST_CASE(abstract_contract)
{
	ASTPointer<SourceUnit> sourceUnit;
	char const* text = R"(
		contract base { function foo(); }
		contract derived is base { function foo() {} }
		)";
	ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
	std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
	ContractDefinition* base = dynamic_cast<ContractDefinition*>(nodes[0].get());
	ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[1].get());
	BOOST_CHECK(base);
	BOOST_CHECK(!base->isFullyImplemented());
	BOOST_CHECK(!base->getDefinedFunctions()[0]->isFullyImplemented());
	BOOST_CHECK(derived);
	BOOST_CHECK(derived->isFullyImplemented());
	BOOST_CHECK(derived->getDefinedFunctions()[0]->isFullyImplemented());
}

BOOST_AUTO_TEST_CASE(abstract_contract_with_overload)
{
	ASTPointer<SourceUnit> sourceUnit;
	char const* text = R"(
		contract base { function foo(bool); }
		contract derived is base { function foo(uint) {} }
		)";
	ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
	std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
	ContractDefinition* base = dynamic_cast<ContractDefinition*>(nodes[0].get());
	ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[1].get());
	BOOST_REQUIRE(base);
	BOOST_CHECK(!base->isFullyImplemented());
	BOOST_REQUIRE(derived);
	BOOST_CHECK(!derived->isFullyImplemented());
{'fraction_non_alphanumeric': 0.13074232114711876, 'fraction_numerical': 0.013839234229039326, 'mean_word_length': 3.904600301659125, 'pattern_counts': {'":': 0, '<': 76, '<?xml version=': 0, '>': 131, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5927398', 'n_tokens_mistral': 10084, 'n_tokens_neox': 8655, 'n_words': 1888}