mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
232 lines
8.1 KiB
C++
232 lines
8.1 KiB
C++
|
|
/*
|
|
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 <libsolidity/Compiler.h>
|
|
#include <libsolidity/AST.h>
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
namespace dev
|
|
{
|
|
namespace solidity
|
|
{
|
|
namespace test
|
|
{
|
|
|
|
namespace
|
|
{
|
|
|
|
/**
|
|
* Helper class that extracts the first expression in an AST.
|
|
*/
|
|
class FirstExpressionExtractor: private ASTVisitor
|
|
{
|
|
public:
|
|
FirstExpressionExtractor(ASTNode& _node): m_expression(nullptr) { _node.accept(*this); }
|
|
Expression* getExpression() const { return m_expression; }
|
|
private:
|
|
virtual bool visit(Expression& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(Assignment& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(UnaryOperation& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(BinaryOperation& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(FunctionCall& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(MemberAccess& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(IndexAccess& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(PrimaryExpression& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(Identifier& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(ElementaryTypeNameExpression& _expression) override { return checkExpression(_expression); }
|
|
virtual bool visit(Literal& _expression) override { return checkExpression(_expression); }
|
|
bool checkExpression(Expression& _expression)
|
|
{
|
|
if (m_expression == nullptr)
|
|
m_expression = &_expression;
|
|
return false;
|
|
}
|
|
private:
|
|
Expression* m_expression;
|
|
};
|
|
|
|
bytes compileFirstExpression(std::string const& _sourceCode)
|
|
{
|
|
Parser parser;
|
|
ASTPointer<ContractDefinition> contract;
|
|
BOOST_REQUIRE_NO_THROW(contract = parser.parse(std::make_shared<Scanner>(CharStream(_sourceCode))));
|
|
NameAndTypeResolver resolver;
|
|
BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
|
|
FirstExpressionExtractor extractor(*contract);
|
|
BOOST_REQUIRE(extractor.getExpression() != nullptr);
|
|
|
|
CompilerContext context;
|
|
ExpressionCompiler compiler(context);
|
|
compiler.compile(*extractor.getExpression());
|
|
bytes instructions = compiler.getAssembledBytecode();
|
|
// debug
|
|
//std::cout << eth::disassemble(instructions) << std::endl;
|
|
return instructions;
|
|
}
|
|
|
|
} // end anonymous namespace
|
|
|
|
BOOST_AUTO_TEST_SUITE(SolidityExpressionCompiler)
|
|
|
|
BOOST_AUTO_TEST_CASE(literal_true)
|
|
{
|
|
char const* sourceCode = "contract test {\n"
|
|
" function f() { var x = true; }"
|
|
"}\n";
|
|
bytes code = compileFirstExpression(sourceCode);
|
|
|
|
bytes expectation({byte(eth::Instruction::PUSH1), 0x1});
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(literal_false)
|
|
{
|
|
char const* sourceCode = "contract test {\n"
|
|
" function f() { var x = false; }"
|
|
"}\n";
|
|
bytes code = compileFirstExpression(sourceCode);
|
|
|
|
bytes expectation({byte(eth::Instruction::PUSH1), 0x0});
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(int_literal)
|
|
{
|
|
char const* sourceCode = "contract test {\n"
|
|
" function f() { var x = 0x12345678901234567890; }"
|
|
"}\n";
|
|
bytes code = compileFirstExpression(sourceCode);
|
|
|
|
bytes expectation({byte(eth::Instruction::PUSH10), 0x12, 0x34, 0x56, 0x78, 0x90,
|
|
0x12, 0x34, 0x56, 0x78, 0x90});
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(comparison)
|
|
{
|
|
char const* sourceCode = "contract test {\n"
|
|
" function f() { var x = (0x10aa < 0x11aa) != true; }"
|
|
"}\n";
|
|
bytes code = compileFirstExpression(sourceCode);
|
|
|
|
bytes expectation({byte(eth::Instruction::PUSH2), 0x10, 0xaa,
|
|
byte(eth::Instruction::PUSH2), 0x11, 0xaa,
|
|
byte(eth::Instruction::GT),
|
|
byte(eth::Instruction::PUSH1), 0x1,
|
|
byte(eth::Instruction::EQ),
|
|
byte(eth::Instruction::NOT)});
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(short_circuiting)
|
|
{
|
|
char const* sourceCode = "contract test {\n"
|
|
" function f() { var x = (10 + 8 >= 4 || 2 != 9) != true; }"
|
|
"}\n";
|
|
bytes code = compileFirstExpression(sourceCode);
|
|
|
|
bytes expectation({byte(eth::Instruction::PUSH1), 0xa,
|
|
byte(eth::Instruction::PUSH1), 0x8,
|
|
byte(eth::Instruction::ADD),
|
|
byte(eth::Instruction::PUSH1), 0x4,
|
|
byte(eth::Instruction::GT),
|
|
byte(eth::Instruction::NOT), // after this we have 10 + 8 >= 4
|
|
byte(eth::Instruction::DUP1),
|
|
byte(eth::Instruction::PUSH1), 0x14,
|
|
byte(eth::Instruction::JUMPI), // short-circuit if it is true
|
|
byte(eth::Instruction::PUSH1), 0x2,
|
|
byte(eth::Instruction::PUSH1), 0x9,
|
|
byte(eth::Instruction::EQ),
|
|
byte(eth::Instruction::NOT), // after this we have 2 != 9
|
|
byte(eth::Instruction::JUMPDEST),
|
|
byte(eth::Instruction::PUSH1), 0x1,
|
|
byte(eth::Instruction::EQ),
|
|
byte(eth::Instruction::NOT)});
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(arithmetics)
|
|
{
|
|
char const* sourceCode = "contract test {\n"
|
|
" function f() { var x = (1 * (2 / (3 % (4 + (5 - (6 | (7 & (8 ^ 9)))))))); }"
|
|
"}\n";
|
|
bytes code = compileFirstExpression(sourceCode);
|
|
|
|
bytes expectation({byte(eth::Instruction::PUSH1), 0x1,
|
|
byte(eth::Instruction::PUSH1), 0x2,
|
|
byte(eth::Instruction::PUSH1), 0x3,
|
|
byte(eth::Instruction::PUSH1), 0x4,
|
|
byte(eth::Instruction::PUSH1), 0x5,
|
|
byte(eth::Instruction::PUSH1), 0x6,
|
|
byte(eth::Instruction::PUSH1), 0x7,
|
|
byte(eth::Instruction::PUSH1), 0x8,
|
|
byte(eth::Instruction::PUSH1), 0x9,
|
|
byte(eth::Instruction::XOR),
|
|
byte(eth::Instruction::AND),
|
|
byte(eth::Instruction::OR),
|
|
byte(eth::Instruction::SWAP1),
|
|
byte(eth::Instruction::SUB),
|
|
byte(eth::Instruction::ADD),
|
|
byte(eth::Instruction::SWAP1),
|
|
byte(eth::Instruction::MOD),
|
|
byte(eth::Instruction::SWAP1),
|
|
byte(eth::Instruction::DIV),
|
|
byte(eth::Instruction::MUL)});
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(unary_operators)
|
|
{
|
|
char const* sourceCode = "contract test {\n"
|
|
" function f() { var x = !(~+-(--(++1++)--) == 2); }"
|
|
"}\n";
|
|
bytes code = compileFirstExpression(sourceCode);
|
|
|
|
bytes expectation({byte(eth::Instruction::PUSH1), 0x1,
|
|
byte(eth::Instruction::PUSH1), 0x1,
|
|
byte(eth::Instruction::ADD),
|
|
byte(eth::Instruction::PUSH1), 0x1,
|
|
byte(eth::Instruction::SWAP1),
|
|
byte(eth::Instruction::SUB),
|
|
byte(eth::Instruction::PUSH1), 0x0,
|
|
byte(eth::Instruction::SUB),
|
|
byte(eth::Instruction::NOT),
|
|
byte(eth::Instruction::PUSH1), 0x2,
|
|
byte(eth::Instruction::EQ),
|
|
byte(eth::Instruction::ISZERO)});
|
|
BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|
|
|
|
}
|
|
}
|
|
} // end namespaces
|
|
|