Christian
10 years ago
6 changed files with 227 additions and 22 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 expression compiler, testing the behaviour of the code. |
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*/ |
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#include <string> |
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#include <boost/test/unit_test.hpp> |
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#include <libethereum/State.h> |
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#include <libethereum/Executive.h> |
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#include <libsolidity/CompilerStack.h> |
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using namespace std; |
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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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class ExecutionFramework |
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{ |
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public: |
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ExecutionFramework() { g_logVerbosity = 0; } |
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bytes compileAndRun(std::string const& _sourceCode) |
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{ |
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bytes code = dev::solidity::CompilerStack::compile(_sourceCode); |
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eth::Executive ex(m_state); |
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BOOST_REQUIRE(!ex.create(Address(), 0, m_gasPrice, m_gas, &code, Address())); |
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BOOST_REQUIRE(ex.go()); |
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ex.finalize(); |
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m_contractAddress = ex.newAddress(); |
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return ex.out().toBytes(); |
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} |
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bytes callFunction(byte _index, bytes const& _data) |
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{ |
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bytes data = bytes(1, _index) + _data; |
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eth::Executive ex(m_state); |
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BOOST_REQUIRE(!ex.call(m_contractAddress, Address(), 0, m_gasPrice, &data, m_gas, Address())); |
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BOOST_REQUIRE(ex.go()); |
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ex.finalize(); |
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return ex.out().toBytes(); |
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} |
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bytes callFunction(byte _index, u256 const& _argument) |
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{ |
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return callFunction(_index, toBigEndian(_argument)); |
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} |
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private: |
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Address m_contractAddress; |
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eth::State m_state; |
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u256 const m_gasPrice = 100 * eth::szabo; |
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u256 const m_gas = 1000000; |
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}; |
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BOOST_AUTO_TEST_SUITE(SolidityCompilerEndToEndTest) |
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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(uint a) returns(uint d) { return a * 7; }\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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u256 a = 0x200030004; |
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bytes result = framework.callFunction(0, a); |
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BOOST_CHECK(result == toBigEndian(a * 7)); |
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} |
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BOOST_AUTO_TEST_CASE(empty_contract) |
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{ |
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char const* sourceCode = "contract test {\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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BOOST_CHECK(framework.callFunction(0, bytes()).empty()); |
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} |
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BOOST_AUTO_TEST_CASE(recursive_calls) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function f(uint n) returns(uint nfac) {\n" |
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" if (n <= 1) return 1;\n" |
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" else return n * f(n - 1);\n" |
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" }\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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BOOST_CHECK(framework.callFunction(0, u256(0)) == toBigEndian(u256(1))); |
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BOOST_CHECK(framework.callFunction(0, u256(1)) == toBigEndian(u256(1))); |
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BOOST_CHECK(framework.callFunction(0, u256(2)) == toBigEndian(u256(2))); |
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BOOST_CHECK(framework.callFunction(0, u256(3)) == toBigEndian(u256(6))); |
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BOOST_CHECK(framework.callFunction(0, u256(4)) == toBigEndian(u256(24))); |
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} |
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BOOST_AUTO_TEST_CASE(while_loop) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function f(uint n) returns(uint nfac) {\n" |
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" nfac = 1;\n" |
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" var i = 2;\n" |
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" while (i <= n) nfac *= i++;\n" |
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" }\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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BOOST_CHECK(framework.callFunction(0, u256(0)) == toBigEndian(u256(1))); |
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BOOST_CHECK(framework.callFunction(0, u256(1)) == toBigEndian(u256(1))); |
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BOOST_CHECK(framework.callFunction(0, u256(2)) == toBigEndian(u256(2))); |
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BOOST_CHECK(framework.callFunction(0, u256(3)) == toBigEndian(u256(6))); |
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BOOST_CHECK(framework.callFunction(0, u256(4)) == toBigEndian(u256(24))); |
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} |
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BOOST_AUTO_TEST_CASE(calling_other_functions) |
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{ |
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// note that the index of a function is its index in the sorted sequence of functions
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char const* sourceCode = "contract collatz {\n" |
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" function run(uint x) returns(uint y) {\n" |
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" while ((y = x) > 1) {\n" |
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" if (x % 2 == 0) x = evenStep(x);\n" |
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" else x = oddStep(x);\n" |
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" }\n" |
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" }\n" |
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" function evenStep(uint x) returns(uint y) {\n" |
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" return x / 2;\n" |
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" }\n" |
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" function oddStep(uint x) returns(uint y) {\n" |
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" return 3 * x + 1;\n" |
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" }\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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BOOST_CHECK(framework.callFunction(2, u256(0)) == toBigEndian(u256(0))); |
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BOOST_CHECK(framework.callFunction(2, u256(1)) == toBigEndian(u256(1))); |
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BOOST_CHECK(framework.callFunction(2, u256(2)) == toBigEndian(u256(1))); |
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BOOST_CHECK(framework.callFunction(2, u256(8)) == toBigEndian(u256(1))); |
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BOOST_CHECK(framework.callFunction(2, u256(127)) == toBigEndian(u256(1))); |
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} |
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BOOST_AUTO_TEST_CASE(many_local_variables) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function run(uint x1, uint x2, uint x3) returns(uint y) {\n" |
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" var a = 0x1; var b = 0x10; var c = 0x100;\n" |
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" y = a + b + c + x1 + x2 + x3;\n" |
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" y += b + x2;\n" |
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" }\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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BOOST_CHECK(framework.callFunction(0, toBigEndian(u256(0x1000)) + toBigEndian(u256(0x10000)) + toBigEndian(u256(0x100000))) |
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== toBigEndian(u256(0x121121))); |
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} |
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BOOST_AUTO_TEST_CASE(multiple_return_values) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function run(bool x1, uint x2) returns(uint y1, bool y2, uint y3) {\n" |
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" y1 = x2; y2 = x1;\n" |
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" }\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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BOOST_CHECK(framework.callFunction(0, bytes(1, 1) + toBigEndian(u256(0xcd))) |
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== toBigEndian(u256(0xcd)) + bytes(1, 1) + toBigEndian(u256(0))); |
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} |
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BOOST_AUTO_TEST_CASE(short_circuiting) |
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{ |
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char const* sourceCode = "contract test {\n" |
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" function run(uint x) returns(uint y) {\n" |
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" x == 0 || ((x = 8) > 0);\n" |
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" return x;" |
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" }\n" |
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"}\n"; |
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ExecutionFramework framework; |
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framework.compileAndRun(sourceCode); |
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BOOST_CHECK(framework.callFunction(0, u256(0)) == toBigEndian(u256(0))); |
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BOOST_CHECK(framework.callFunction(0, u256(1)) == toBigEndian(u256(8))); |
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} |
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//@todo test smaller types
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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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