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solidity/SolidityEndToEndTest.cpp
Christian 0652c29bb6 Some changes to the log functions.
2015-01-09 15:00:47 +01:00

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/*
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>
* @author Gav Wood <g@ethdev.com>
* @date 2014
* Unit tests for the solidity expression compiler, testing the behaviour of the code.
*/
#include <string>
#include <tuple>
#include <boost/test/unit_test.hpp>
#include <libdevcrypto/SHA3.h>
#include <test/solidityExecutionFramework.h>
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
BOOST_FIXTURE_TEST_SUITE(SolidityEndToEndTest, ExecutionFramework)
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* sourceCode = "contract test {\n"
" function f(uint a) returns(uint d) { return a * 7; }\n"
"}\n";
compileAndRun(sourceCode);
testSolidityAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return a * 7; }, 0, 100);
}
BOOST_AUTO_TEST_CASE(empty_contract)
{
char const* sourceCode = "contract test {\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()).empty());
}
BOOST_AUTO_TEST_CASE(recursive_calls)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" if (n <= 1) return 1;\n"
" else return n * f(n - 1);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
function<u256(u256)> recursive_calls_cpp = [&recursive_calls_cpp](u256 const& n) -> u256
{
if (n <= 1)
return 1;
else
return n * recursive_calls_cpp(n - 1);
};
testSolidityAgainstCppOnRange("f(uint256)", recursive_calls_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(multiple_functions)
{
char const* sourceCode = "contract test {\n"
" function a() returns(uint n) { return 0; }\n"
" function b() returns(uint n) { return 1; }\n"
" function c() returns(uint n) { return 2; }\n"
" function f() returns(uint n) { return 3; }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("a()", bytes()) == toBigEndian(u256(0)));
BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(1)));
BOOST_CHECK(callContractFunction("c()", bytes()) == toBigEndian(u256(2)));
BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(3)));
BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()) == bytes());
}
BOOST_AUTO_TEST_CASE(while_loop)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" nfac = 1;\n"
" var i = 2;\n"
" while (i <= n) nfac *= i++;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto while_loop_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
u256 i = 2;
while (i <= n)
nfac *= i++;
return nfac;
};
testSolidityAgainstCppOnRange("f(uint256)", while_loop_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(break_outside_loop)
{
// break and continue outside loops should be simply ignored
char const* sourceCode = "contract test {\n"
" function f(uint x) returns(uint y) {\n"
" break; continue; return 2;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
testSolidityAgainstCpp("f(uint256)", [](u256 const&) -> u256 { return 2; }, u256(0));
}
BOOST_AUTO_TEST_CASE(nested_loops)
{
// tests that break and continue statements in nested loops jump to the correct place
char const* sourceCode = "contract test {\n"
" function f(uint x) returns(uint y) {\n"
" while (x > 1) {\n"
" if (x == 10) break;\n"
" while (x > 5) {\n"
" if (x == 8) break;\n"
" x--;\n"
" if (x == 6) continue;\n"
" return x;\n"
" }\n"
" x--;\n"
" if (x == 3) continue;\n"
" break;\n"
" }\n"
" return x;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto nested_loops_cpp = [](u256 n) -> u256
{
while (n > 1)
{
if (n == 10)
break;
while (n > 5)
{
if (n == 8)
break;
n--;
if (n == 6)
continue;
return n;
}
n--;
if (n == 3)
continue;
break;
}
return n;
};
testSolidityAgainstCppOnRange("f(uint256)", nested_loops_cpp, 0, 12);
}
BOOST_AUTO_TEST_CASE(for_loop)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" nfac = 1;\n"
" for (var i = 2; i <= n; i++)\n"
" nfac *= i;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto for_loop_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
for (auto i = 2; i <= n; i++)
nfac *= i;
return nfac;
};
testSolidityAgainstCppOnRange("f(uint256)", for_loop_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(for_loop_empty)
{
char const* sourceCode = "contract test {\n"
" function f() returns(uint ret) {\n"
" ret = 1;\n"
" for (;;)\n"
" {\n"
" ret += 1;\n"
" if (ret >= 10) break;\n"
" }\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto for_loop_empty_cpp = []() -> u256
{
u256 ret = 1;
for (;;)
{
ret += 1;
if (ret >= 10) break;
}
return ret;
};
testSolidityAgainstCpp("f()", for_loop_empty_cpp);
}
BOOST_AUTO_TEST_CASE(for_loop_simple_init_expr)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" nfac = 1;\n"
" uint256 i;\n"
" for (i = 2; i <= n; i++)\n"
" nfac *= i;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto for_loop_simple_init_expr_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
u256 i;
for (i = 2; i <= n; i++)
nfac *= i;
return nfac;
};
testSolidityAgainstCppOnRange("f(uint256)", for_loop_simple_init_expr_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(calling_other_functions)
{
// note that the index of a function is its index in the sorted sequence of functions
char const* sourceCode = "contract collatz {\n"
" function run(uint x) returns(uint y) {\n"
" while ((y = x) > 1) {\n"
" if (x % 2 == 0) x = evenStep(x);\n"
" else x = oddStep(x);\n"
" }\n"
" }\n"
" function evenStep(uint x) returns(uint y) {\n"
" return x / 2;\n"
" }\n"
" function oddStep(uint x) returns(uint y) {\n"
" return 3 * x + 1;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto evenStep_cpp = [](u256 const& n) -> u256
{
return n / 2;
};
auto oddStep_cpp = [](u256 const& n) -> u256
{
return 3 * n + 1;
};
auto collatz_cpp = [&evenStep_cpp, &oddStep_cpp](u256 n) -> u256
{
u256 y;
while ((y = n) > 1)
{
if (n % 2 == 0)
n = evenStep_cpp(n);
else
n = oddStep_cpp(n);
}
return y;
};
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(0));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(1));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(2));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(8));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(127));
}
BOOST_AUTO_TEST_CASE(many_local_variables)
{
char const* sourceCode = "contract test {\n"
" function run(uint x1, uint x2, uint x3) returns(uint y) {\n"
" var a = 0x1; var b = 0x10; var c = 0x100;\n"
" y = a + b + c + x1 + x2 + x3;\n"
" y += b + x2;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [](u256 const& x1, u256 const& x2, u256 const& x3) -> u256
{
u256 a = 0x1;
u256 b = 0x10;
u256 c = 0x100;
u256 y = a + b + c + x1 + x2 + x3;
return y + b + x2;
};
testSolidityAgainstCpp("run(uint256,uint256,uint256)", f, u256(0x1000), u256(0x10000), u256(0x100000));
}
BOOST_AUTO_TEST_CASE(packing_unpacking_types)
{
char const* sourceCode = "contract test {\n"
" function run(bool a, uint32 b, uint64 c) returns(uint256 y) {\n"
" if (a) y = 1;\n"
" y = y * 0x100000000 | ~b;\n"
" y = y * 0x10000000000000000 | ~c;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run(bool,uint32,uint64)", fromHex("01""0f0f0f0f""f0f0f0f0f0f0f0f0"))
== fromHex("00000000000000000000000000000000000000""01""f0f0f0f0""0f0f0f0f0f0f0f0f"));
}
BOOST_AUTO_TEST_CASE(multiple_return_values)
{
char const* sourceCode = "contract test {\n"
" function run(bool x1, uint x2) returns(uint y1, bool y2, uint y3) {\n"
" y1 = x2; y2 = x1;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run(bool,uint256)", bytes(1, 1) + toBigEndian(u256(0xcd)))
== toBigEndian(u256(0xcd)) + bytes(1, 1) + toBigEndian(u256(0)));
}
BOOST_AUTO_TEST_CASE(short_circuiting)
{
char const* sourceCode = "contract test {\n"
" function run(uint x) returns(uint y) {\n"
" x == 0 || ((x = 8) > 0);\n"
" return x;"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto short_circuiting_cpp = [](u256 n) -> u256
{
n == 0 || (n = 8) > 0;
return n;
};
testSolidityAgainstCppOnRange("run(uint256)", short_circuiting_cpp, 0, 2);
}
BOOST_AUTO_TEST_CASE(high_bits_cleaning)
{
char const* sourceCode = "contract test {\n"
" function run() returns(uint256 y) {\n"
" uint32 x = uint32(0xffffffff) + 10;\n"
" if (x >= 0xffffffff) return 0;\n"
" return x;"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto high_bits_cleaning_cpp = []() -> u256
{
uint32_t x = uint32_t(0xffffffff) + 10;
if (x >= 0xffffffff)
return 0;
return x;
};
testSolidityAgainstCpp("run()", high_bits_cleaning_cpp);
}
BOOST_AUTO_TEST_CASE(sign_extension)
{
char const* sourceCode = "contract test {\n"
" function run() returns(uint256 y) {\n"
" int64 x = -int32(0xff);\n"
" if (x >= 0xff) return 0;\n"
" return -uint256(x);"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto sign_extension_cpp = []() -> u256
{
int64_t x = -int32_t(0xff);
if (x >= 0xff)
return 0;
return u256(x) * -1;
};
testSolidityAgainstCpp("run()", sign_extension_cpp);
}
BOOST_AUTO_TEST_CASE(small_unsigned_types)
{
char const* sourceCode = "contract test {\n"
" function run() returns(uint256 y) {\n"
" uint32 x = uint32(0xffffff) * 0xffffff;\n"
" return x / 0x100;"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto small_unsigned_types_cpp = []() -> u256
{
uint32_t x = uint32_t(0xffffff) * 0xffffff;
return x / 0x100;
};
testSolidityAgainstCpp("run()", small_unsigned_types_cpp);
}
BOOST_AUTO_TEST_CASE(small_signed_types)
{
char const* sourceCode = "contract test {\n"
" function run() returns(int256 y) {\n"
" return -int32(10) * -int64(20);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto small_signed_types_cpp = []() -> u256
{
return -int32_t(10) * -int64_t(20);
};
testSolidityAgainstCpp("run()", small_signed_types_cpp);
}
BOOST_AUTO_TEST_CASE(strings)
{
char const* sourceCode = "contract test {\n"
" function fixed() returns(string32 ret) {\n"
" return \"abc\\x00\\xff__\";\n"
" }\n"
" function pipeThrough(string2 small, bool one) returns(string16 large, bool oneRet) {\n"
" oneRet = one;\n"
" large = small;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
bytes expectation(32, 0);
expectation[0] = byte('a');
expectation[1] = byte('b');
expectation[2] = byte('c');
expectation[3] = byte(0);
expectation[4] = byte(0xff);
expectation[5] = byte('_');
expectation[6] = byte('_');
BOOST_CHECK(callContractFunction("fixed()", bytes()) == expectation);
expectation = bytes(17, 0);
expectation[0] = 0;
expectation[1] = 2;
expectation[16] = 1;
BOOST_CHECK(callContractFunction("pipeThrough(string2,bool)", bytes({0x00, 0x02, 0x01})) == expectation);
}
BOOST_AUTO_TEST_CASE(empty_string_on_stack)
{
char const* sourceCode = "contract test {\n"
" function run(string0 empty, uint8 inp) returns(uint16 a, string0 b, string4 c) {\n"
" var x = \"abc\";\n"
" var y = \"\";\n"
" var z = inp;\n"
" a = z; b = y; c = x;"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run(string0,uint8)", bytes(1, 0x02)) == bytes({0x00, 0x02, 0x61/*'a'*/, 0x62/*'b'*/, 0x63/*'c'*/, 0x00}));
}
BOOST_AUTO_TEST_CASE(state_smoke_test)
{
char const* sourceCode = "contract test {\n"
" uint256 value1;\n"
" uint256 value2;\n"
" function get(uint8 which) returns (uint256 value) {\n"
" if (which == 0) return value1;\n"
" else return value2;\n"
" }\n"
" function set(uint8 which, uint256 value) {\n"
" if (which == 0) value1 = value;\n"
" else value2 = value;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == toBigEndian(u256(0)));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == toBigEndian(u256(0)));
BOOST_CHECK(callContractFunction("set(uint8,uint256)", bytes(1, 0x00) + toBigEndian(u256(0x1234))) == bytes());
BOOST_CHECK(callContractFunction("set(uint8,uint256)", bytes(1, 0x01) + toBigEndian(u256(0x8765))) == bytes());
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == toBigEndian(u256(0x1234)));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == toBigEndian(u256(0x8765)));
BOOST_CHECK(callContractFunction("set(uint8,uint256)", bytes(1, 0x00) + toBigEndian(u256(0x3))) == bytes());
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == toBigEndian(u256(0x3)));
}
BOOST_AUTO_TEST_CASE(compound_assign)
{
char const* sourceCode = "contract test {\n"
" uint value1;\n"
" uint value2;\n"
" function f(uint x, uint y) returns (uint w) {\n"
" uint value3 = y;"
" value1 += x;\n"
" value3 *= x;"
" value2 *= value3 + value1;\n"
" return value2 += 7;"
" }\n"
"}\n";
compileAndRun(sourceCode);
u256 value1;
u256 value2;
auto f = [&](u256 const& _x, u256 const& _y) -> u256
{
u256 value3 = _y;
value1 += _x;
value3 *= _x;
value2 *= value3 + value1;
return value2 += 7;
};
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(0), u256(6));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(1), u256(3));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(2), u256(25));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(3), u256(69));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(4), u256(84));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(5), u256(2));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(6), u256(51));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(7), u256(48));
}
BOOST_AUTO_TEST_CASE(simple_mapping)
{
char const* sourceCode = "contract test {\n"
" mapping(uint8 => uint8) table;\n"
" function get(uint8 k) returns (uint8 v) {\n"
" return table[k];\n"
" }\n"
" function set(uint8 k, uint8 v) {\n"
" table[k] = v;\n"
" }\n"
"}";
compileAndRun(sourceCode);
// msvc seems to have problems with initializer-list, when there is only 1 param in the list
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0x00));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0x00));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
callContractFunction("set(uint8,uint8)", bytes({0x01, 0xa1}));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0x00));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0xa1));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
callContractFunction("set(uint8,uint8)", bytes({0x00, 0xef}));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0xef));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0xa1));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
callContractFunction("set(uint8,uint8)", bytes({0x01, 0x05}));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0xef));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0x05));
BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
}
BOOST_AUTO_TEST_CASE(mapping_state)
{
char const* sourceCode = "contract Ballot {\n"
" mapping(address => bool) canVote;\n"
" mapping(address => uint) voteCount;\n"
" mapping(address => bool) voted;\n"
" function getVoteCount(address addr) returns (uint retVoteCount) {\n"
" return voteCount[addr];\n"
" }\n"
" function grantVoteRight(address addr) {\n"
" canVote[addr] = true;\n"
" }\n"
" function vote(address voter, address vote) returns (bool success) {\n"
" if (!canVote[voter] || voted[voter]) return false;\n"
" voted[voter] = true;\n"
" voteCount[vote] = voteCount[vote] + 1;\n"
" return true;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
class Ballot
{
public:
u256 getVoteCount(u160 _address) { return m_voteCount[_address]; }
void grantVoteRight(u160 _address) { m_canVote[_address] = true; }
bool vote(u160 _voter, u160 _vote)
{
if (!m_canVote[_voter] || m_voted[_voter]) return false;
m_voted[_voter] = true;
m_voteCount[_vote]++;
return true;
}
private:
map<u160, bool> m_canVote;
map<u160, u256> m_voteCount;
map<u160, bool> m_voted;
} ballot;
auto getVoteCount = bind(&Ballot::getVoteCount, &ballot, _1);
auto grantVoteRight = bind(&Ballot::grantVoteRight, &ballot, _1);
auto vote = bind(&Ballot::vote, &ballot, _1, _2);
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// voting without vote right shourd be rejected
testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// grant vote rights
testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(0));
testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(1));
// vote, should increase 2's vote count
testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// vote again, should be rejected
testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// vote without right to vote
testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// grant vote right and now vote again
testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(2));
testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
}
BOOST_AUTO_TEST_CASE(mapping_state_inc_dec)
{
char const* sourceCode = "contract test {\n"
" uint value;\n"
" mapping(uint => uint) table;\n"
" function f(uint x) returns (uint y) {\n"
" value = x;\n"
" if (x > 0) table[++value] = 8;\n"
" if (x > 1) value--;\n"
" if (x > 2) table[value]++;\n"
" return --table[value++];\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
u256 value = 0;
map<u256, u256> table;
auto f = [&](u256 const& _x) -> u256
{
value = _x;
if (_x > 0)
table[++value] = 8;
if (_x > 1)
value --;
if (_x > 2)
table[value]++;
return --table[value++];
};
testSolidityAgainstCppOnRange("f(uint256)", f, 0, 5);
}
BOOST_AUTO_TEST_CASE(multi_level_mapping)
{
char const* sourceCode = "contract test {\n"
" mapping(uint => mapping(uint => uint)) table;\n"
" function f(uint x, uint y, uint z) returns (uint w) {\n"
" if (z == 0) return table[x][y];\n"
" else return table[x][y] = z;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
map<u256, map<u256, u256>> table;
auto f = [&](u256 const& _x, u256 const& _y, u256 const& _z) -> u256
{
if (_z == 0) return table[_x][_y];
else return table[_x][_y] = _z;
};
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(9));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(7));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
}
BOOST_AUTO_TEST_CASE(structs)
{
char const* sourceCode = "contract test {\n"
" struct s1 {\n"
" uint8 x;\n"
" bool y;\n"
" }\n"
" struct s2 {\n"
" uint32 z;\n"
" s1 s1data;\n"
" mapping(uint8 => s2) recursive;\n"
" }\n"
" s2 data;\n"
" function check() returns (bool ok) {\n"
" return data.z == 1 && data.s1data.x == 2 && \n"
" data.s1data.y == true && \n"
" data.recursive[3].recursive[4].z == 5 && \n"
" data.recursive[4].recursive[3].z == 6 && \n"
" data.recursive[0].s1data.y == false && \n"
" data.recursive[4].z == 9;\n"
" }\n"
" function set() {\n"
" data.z = 1;\n"
" data.s1data.x = 2;\n"
" data.s1data.y = true;\n"
" data.recursive[3].recursive[4].z = 5;\n"
" data.recursive[4].recursive[3].z = 6;\n"
" data.recursive[0].s1data.y = false;\n"
" data.recursive[4].z = 9;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x00));
BOOST_CHECK(callContractFunction("set()") == bytes());
BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x01));
}
BOOST_AUTO_TEST_CASE(struct_reference)
{
char const* sourceCode = "contract test {\n"
" struct s2 {\n"
" uint32 z;\n"
" mapping(uint8 => s2) recursive;\n"
" }\n"
" s2 data;\n"
" function check() returns (bool ok) {\n"
" return data.z == 2 && \n"
" data.recursive[0].z == 3 && \n"
" data.recursive[0].recursive[1].z == 0 && \n"
" data.recursive[0].recursive[0].z == 1;\n"
" }\n"
" function set() {\n"
" data.z = 2;\n"
" var map = data.recursive;\n"
" s2 inner = map[0];\n"
" inner.z = 3;\n"
" inner.recursive[0].z = inner.recursive[1].z + 1;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x00));
BOOST_CHECK(callContractFunction("set()") == bytes());
BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x01));
}
BOOST_AUTO_TEST_CASE(constructor)
{
char const* sourceCode = "contract test {\n"
" mapping(uint => uint) data;\n"
" function test() {\n"
" data[7] = 8;\n"
" }\n"
" function get(uint key) returns (uint value) {\n"
" return data[key];"
" }\n"
"}\n";
compileAndRun(sourceCode);
map<u256, byte> data;
data[7] = 8;
auto get = [&](u256 const& _x) -> u256
{
return data[_x];
};
testSolidityAgainstCpp("get(uint256)", get, u256(6));
testSolidityAgainstCpp("get(uint256)", get, u256(7));
}
BOOST_AUTO_TEST_CASE(balance)
{
char const* sourceCode = "contract test {\n"
" function getBalance() returns (uint256 balance) {\n"
" return address(this).balance;\n"
" }\n"
"}\n";
compileAndRun(sourceCode, 23);
BOOST_CHECK(callContractFunction("getBalance()") == toBigEndian(u256(23)));
}
BOOST_AUTO_TEST_CASE(blockchain)
{
char const* sourceCode = "contract test {\n"
" function someInfo() returns (uint256 value, address coinbase, uint256 blockNumber) {\n"
" value = msg.value;\n"
" coinbase = block.coinbase;\n"
" blockNumber = block.number;\n"
" }\n"
"}\n";
compileAndRun(sourceCode, 27);
BOOST_CHECK(callContractFunction("someInfo()", bytes{0}, u256(28)) == toBigEndian(u256(28)) + bytes(20, 0) + toBigEndian(u256(1)));
}
BOOST_AUTO_TEST_CASE(function_types)
{
char const* sourceCode = "contract test {\n"
" function a(bool selector) returns (uint b) {\n"
" var f = fun1;\n"
" if (selector) f = fun2;\n"
" return f(9);\n"
" }\n"
" function fun1(uint x) returns (uint b) {\n"
" return 11;\n"
" }\n"
" function fun2(uint x) returns (uint b) {\n"
" return 12;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("a(bool)", bytes{0}) == toBigEndian(u256(11)));
BOOST_CHECK(callContractFunction("a(bool)", bytes{1}) == toBigEndian(u256(12)));
}
BOOST_AUTO_TEST_CASE(send_ether)
{
char const* sourceCode = "contract test {\n"
" function a(address addr, uint amount) returns (uint ret) {\n"
" addr.send(amount);\n"
" return address(this).balance;\n"
" }\n"
"}\n";
u256 amount(130);
compileAndRun(sourceCode, amount + 1);
u160 address(23);
BOOST_CHECK(callContractFunction("a(address,uint256)", address, amount) == toBigEndian(u256(1)));
BOOST_CHECK_EQUAL(m_state.balance(address), amount);
}
BOOST_AUTO_TEST_CASE(log0)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log0(1);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 0);
}
BOOST_AUTO_TEST_CASE(log1)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log1(1, 2);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2)));
}
BOOST_AUTO_TEST_CASE(log2)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log2(1, 2, 3);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 2);
for (unsigned i = 0; i < 2; ++i)
BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
}
BOOST_AUTO_TEST_CASE(log3)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log3(1, 2, 3, 4);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 3);
for (unsigned i = 0; i < 3; ++i)
BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
}
BOOST_AUTO_TEST_CASE(log4)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log4(1, 2, 3, 4, 5);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 4);
for (unsigned i = 0; i < 4; ++i)
BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
}
BOOST_AUTO_TEST_CASE(log_in_constructor)
{
char const* sourceCode = "contract test {\n"
" function test() {\n"
" log1(1, 2);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2)));
}
BOOST_AUTO_TEST_CASE(suicide)
{
char const* sourceCode = "contract test {\n"
" function a(address receiver) returns (uint ret) {\n"
" suicide(receiver);\n"
" return 10;\n"
" }\n"
"}\n";
u256 amount(130);
compileAndRun(sourceCode, amount);
u160 address(23);
BOOST_CHECK(callContractFunction("a(address)", address) == bytes());
BOOST_CHECK(!m_state.addressHasCode(m_contractAddress));
BOOST_CHECK_EQUAL(m_state.balance(address), amount);
}
BOOST_AUTO_TEST_CASE(sha3)
{
char const* sourceCode = "contract test {\n"
" function a(hash input) returns (hash sha3hash) {\n"
" return sha3(input);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [&](u256 const& _x) -> u256
{
return dev::sha3(toBigEndian(_x));
};
testSolidityAgainstCpp("a(hash256)", f, u256(4));
testSolidityAgainstCpp("a(hash256)", f, u256(5));
testSolidityAgainstCpp("a(hash256)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(sha256)
{
char const* sourceCode = "contract test {\n"
" function a(hash input) returns (hash sha256hash) {\n"
" return sha256(input);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [&](u256 const& _input) -> u256
{
h256 ret;
dev::sha256(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
return ret;
};
testSolidityAgainstCpp("a(hash256)", f, u256(4));
testSolidityAgainstCpp("a(hash256)", f, u256(5));
testSolidityAgainstCpp("a(hash256)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(ripemd)
{
char const* sourceCode = "contract test {\n"
" function a(hash input) returns (hash sha256hash) {\n"
" return ripemd160(input);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [&](u256 const& _input) -> u256
{
h256 ret;
dev::ripemd160(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
return u256(ret) >> (256 - 160);
};
testSolidityAgainstCpp("a(hash256)", f, u256(4));
testSolidityAgainstCpp("a(hash256)", f, u256(5));
testSolidityAgainstCpp("a(hash256)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(ecrecover)
{
char const* sourceCode = "contract test {\n"
" function a(hash h, uint8 v, hash r, hash s) returns (address addr) {\n"
" return ecrecover(h, v, r, s);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
u256 h("0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c");
byte v = 28;
u256 r("0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f");
u256 s("0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549");
u160 addr("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b");
BOOST_CHECK(callContractFunction("a(hash256,uint8,hash256,hash256)", h, v, r, s) == toBigEndian(addr));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls)
{
char const* sourceCode = R"(
contract Helper {
function multiply(uint a, uint b) returns (uint c) {
return a * b;
}
}
contract Main {
Helper h;
function callHelper(uint a, uint b) returns (uint c) {
return h.multiply(a, b);
}
function getHelper() returns (address haddress) {
return address(h);
}
function setHelper(address haddress) {
h = Helper(haddress);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == toBigEndian(a * b));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls_with_complex_parameters)
{
char const* sourceCode = R"(
contract Helper {
function sel(uint a, bool select, uint b) returns (uint c) {
if (select) return a; else return b;
}
}
contract Main {
Helper h;
function callHelper(uint a, bool select, uint b) returns (uint c) {
return h.sel(a, select, b) * 3;
}
function getHelper() returns (address haddress) {
return address(h);
}
function setHelper(address haddress) {
h = Helper(haddress);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, true, b) == toBigEndian(a * 3));
BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, false, b) == toBigEndian(b * 3));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls_accessing_this)
{
char const* sourceCode = R"(
contract Helper {
function getAddress() returns (address addr) {
return address(this);
}
}
contract Main {
Helper h;
function callHelper() returns (address addr) {
return h.getAddress();
}
function getHelper() returns (address addr) {
return address(h);
}
function setHelper(address addr) {
h = Helper(addr);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
BOOST_REQUIRE(callContractFunction("callHelper()") == toBigEndian(helperAddress));
}
BOOST_AUTO_TEST_CASE(calls_to_this)
{
char const* sourceCode = R"(
contract Helper {
function invoke(uint a, uint b) returns (uint c) {
return this.multiply(a, b, 10);
}
function multiply(uint a, uint b, uint8 c) returns (uint ret) {
return a * b + c;
}
}
contract Main {
Helper h;
function callHelper(uint a, uint b) returns (uint ret) {
return h.invoke(a, b);
}
function getHelper() returns (address addr) {
return address(h);
}
function setHelper(address addr) {
h = Helper(addr);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == toBigEndian(a * b + 10));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls_with_local_vars)
{
// note that a reference to another contract's function occupies two stack slots,
// so this tests correct stack slot allocation
char const* sourceCode = R"(
contract Helper {
function multiply(uint a, uint b) returns (uint c) {
return a * b;
}
}
contract Main {
Helper h;
function callHelper(uint a, uint b) returns (uint c) {
var fu = h.multiply;
var y = 9;
var ret = fu(a, b);
return ret + y;
}
function getHelper() returns (address haddress) {
return address(h);
}
function setHelper(address haddress) {
h = Helper(haddress);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == toBigEndian(a * b + 9));
}
BOOST_AUTO_TEST_CASE(strings_in_calls)
{
char const* sourceCode = R"(
contract Helper {
function invoke(string3 x, bool stop) returns (string4 ret) {
return x;
}
}
contract Main {
Helper h;
function callHelper(string2 x, bool stop) returns (string5 ret) {
return h.invoke(x, stop);
}
function getHelper() returns (address addr) {
return address(h);
}
function setHelper(address addr) {
h = Helper(addr);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
BOOST_CHECK(callContractFunction("callHelper(string2,bool)", bytes({0, 'a', 1})) == bytes({0, 'a', 0, 0, 0}));
}
BOOST_AUTO_TEST_CASE(constructor_arguments)
{
char const* sourceCode = R"(
contract Helper {
string3 name;
bool flag;
function Helper(string3 x, bool f) {
name = x;
flag = f;
}
function getName() returns (string3 ret) { return name; }
function getFlag() returns (bool ret) { return flag; }
}
contract Main {
Helper h;
function Main() {
h = new Helper("abc", true);
}
function getFlag() returns (bool ret) { return h.getFlag(); }
function getName() returns (string3 ret) { return h.getName(); }
})";
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("getFlag()") == bytes({byte(0x01)}));
BOOST_REQUIRE(callContractFunction("getName()") == bytes({'a', 'b', 'c'}));
}
BOOST_AUTO_TEST_CASE(functions_called_by_constructor)
{
char const* sourceCode = R"(
contract Test {
string3 name;
bool flag;
function Test() {
setName("abc");
}
function getName() returns (string3 ret) { return name; }
private:
function setName(string3 _name) { name = _name; }
})";
compileAndRun(sourceCode);
BOOST_REQUIRE(callContractFunction("getName()") == bytes({'a', 'b', 'c'}));
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
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