chriseth
10 years ago
12 changed files with 137 additions and 233 deletions
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/*
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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 solidity compiler. |
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*/ |
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#include <string> |
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#include <iostream> |
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#include <boost/test/unit_test.hpp> |
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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/Compiler.h> |
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#include <libsolidity/AST.h> |
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using namespace std; |
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using namespace dev::eth; |
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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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bytes compileContract(const string& _sourceCode) |
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{ |
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Parser parser; |
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ASTPointer<SourceUnit> sourceUnit; |
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BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode)))); |
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NameAndTypeResolver resolver({}); |
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resolver.registerDeclarations(*sourceUnit); |
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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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BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract)); |
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} |
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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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BOOST_REQUIRE_NO_THROW(resolver.checkTypeRequirements(*contract)); |
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} |
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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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Compiler compiler; |
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compiler.compileContract(*contract, map<ContractDefinition const*, bytes const*>{}); |
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// debug
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//compiler.streamAssembly(cout);
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return compiler.getAssembledBytecode(); |
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} |
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BOOST_FAIL("No contract found in source."); |
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return bytes(); |
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} |
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/// Checks that @a _compiledCode is present starting from offset @a _offset in @a _expectation.
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/// This is necessary since the compiler will add boilerplate add the beginning that is not
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/// tested here.
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void checkCodePresentAt(bytes const& _compiledCode, bytes const& _expectation, unsigned _offset) |
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{ |
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BOOST_REQUIRE(_compiledCode.size() >= _offset + _expectation.size()); |
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auto checkStart = _compiledCode.begin() + _offset; |
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BOOST_CHECK_EQUAL_COLLECTIONS(checkStart, checkStart + _expectation.size(), |
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_expectation.begin(), _expectation.end()); |
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} |
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} // end anonymous namespace
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BOOST_AUTO_TEST_SUITE(SolidityCompiler) |
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BOOST_AUTO_TEST_CASE(smoke_test) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function f() { var x = 2; }\n" |
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"}\n"; |
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bytes code = compileContract(sourceCode); |
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unsigned boilerplateSize = 73; |
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bytes expectation({byte(Instruction::JUMPDEST), |
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byte(Instruction::PUSH1), 0x0, // initialize local variable x
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byte(Instruction::PUSH1), 0x2, |
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byte(Instruction::SWAP1), |
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byte(Instruction::POP), |
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byte(Instruction::JUMPDEST), |
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byte(Instruction::POP), |
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byte(Instruction::JUMP)}); |
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checkCodePresentAt(code, expectation, boilerplateSize); |
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} |
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BOOST_AUTO_TEST_CASE(ifStatement) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function f() { bool x; if (x) 77; else if (!x) 78; else 79; }" |
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"}\n"; |
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bytes code = compileContract(sourceCode); |
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unsigned shift = 60; |
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unsigned boilerplateSize = 73; |
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bytes expectation({ |
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byte(Instruction::JUMPDEST), |
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byte(Instruction::PUSH1), 0x0, |
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byte(Instruction::DUP1), |
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byte(Instruction::ISZERO), |
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byte(Instruction::PUSH1), byte(0x0f + shift), // "false" target
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byte(Instruction::JUMPI), |
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// "if" body
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byte(Instruction::PUSH1), 0x4d, |
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byte(Instruction::POP), |
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byte(Instruction::PUSH1), byte(0x21 + shift), |
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byte(Instruction::JUMP), |
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// new check "else if" condition
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byte(Instruction::JUMPDEST), |
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byte(Instruction::DUP1), |
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byte(Instruction::ISZERO), |
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byte(Instruction::ISZERO), |
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byte(Instruction::PUSH1), byte(0x1c + shift), |
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byte(Instruction::JUMPI), |
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// "else if" body
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byte(Instruction::PUSH1), 0x4e, |
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byte(Instruction::POP), |
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byte(Instruction::PUSH1), byte(0x20 + shift), |
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byte(Instruction::JUMP), |
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// "else" body
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byte(Instruction::JUMPDEST), |
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byte(Instruction::PUSH1), 0x4f, |
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byte(Instruction::POP), |
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}); |
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checkCodePresentAt(code, expectation, boilerplateSize); |
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} |
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BOOST_AUTO_TEST_CASE(loops) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function f() { while(true){1;break;2;continue;3;return;4;} }" |
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"}\n"; |
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bytes code = compileContract(sourceCode); |
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unsigned shift = 60; |
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unsigned boilerplateSize = 73; |
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bytes expectation({byte(Instruction::JUMPDEST), |
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byte(Instruction::JUMPDEST), |
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byte(Instruction::PUSH1), 0x1, |
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byte(Instruction::ISZERO), |
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byte(Instruction::PUSH1), byte(0x21 + shift), |
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byte(Instruction::JUMPI), |
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byte(Instruction::PUSH1), 0x1, |
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byte(Instruction::POP), |
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byte(Instruction::PUSH1), byte(0x21 + shift), |
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byte(Instruction::JUMP), // break
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byte(Instruction::PUSH1), 0x2, |
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byte(Instruction::POP), |
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byte(Instruction::PUSH1), byte(0x2 + shift), |
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byte(Instruction::JUMP), // continue
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byte(Instruction::PUSH1), 0x3, |
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byte(Instruction::POP), |
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byte(Instruction::PUSH1), byte(0x22 + shift), |
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byte(Instruction::JUMP), // return
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byte(Instruction::PUSH1), 0x4, |
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byte(Instruction::POP), |
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byte(Instruction::PUSH1), byte(0x2 + shift), |
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byte(Instruction::JUMP), |
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byte(Instruction::JUMPDEST), |
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byte(Instruction::JUMPDEST), |
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byte(Instruction::JUMP)}); |
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checkCodePresentAt(code, expectation, boilerplateSize); |
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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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