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Modify gas and value for external function call.

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Christian 2015-01-12 12:47:37 +01:00
parent b85ae53f63
commit 522a7709e8
1 changed files with 79 additions and 1 deletions
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80
SolidityEndToEndTest.cpp
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@ -1295,7 +1295,85 @@ BOOST_AUTO_TEST_CASE(contracts_as_addresses)
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("getBalance()") == toBigEndian(u256(20 - 5)) + toBigEndian(u256(5)));
BOOST_REQUIRE(callContractFunction("getBalance()") == encodeArgs(u256(20 - 5), u256(5)));
}
BOOST_AUTO_TEST_CASE(gas_and_value_basic)
{
char const* sourceCode = R"(
contract helper {
bool flag;
function getBalance() returns (uint256 myBalance) {
return this.balance;
}
function setFlag() { flag = true; }
function getFlag() returns (bool fl) { return flag; }
}
contract test {
helper h;
function test() { h = new helper(); }
function sendAmount(uint amount) returns (uint256 bal) {
return h.getBalance.value(amount)();
}
function outOfGas() returns (bool flagBefore, bool flagAfter, uint myBal) {
flagBefore = h.getFlag();
h.setFlag.gas(2)(); // should fail due to OOG, return value can be garbage
flagAfter = h.getFlag();
myBal = this.balance;
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(5));
// call to helper should not succeed but amount should be transferred anyway
BOOST_REQUIRE(callContractFunction("outOfGas()", 5) == encodeArgs(false, false, 20 - 5));
}
BOOST_AUTO_TEST_CASE(value_complex)
{
char const* sourceCode = R"(
contract helper {
function getBalance() returns (uint256 myBalance) {
return this.balance;
}
}
contract test {
helper h;
function test() { h = new helper(); }
function sendAmount(uint amount) returns (uint256 bal) {
var x1 = h.getBalance.value(amount);
uint someStackElement = 20;
var x2 = x1.gas(1000);
return x2.value(amount + 3)();// overwrite value
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8));
}
BOOST_AUTO_TEST_CASE(value_insane)
{
char const* sourceCode = R"(
contract helper {
function getBalance() returns (uint256 myBalance) {
return this.balance;
}
}
contract test {
helper h;
function test() { h = new helper(); }
function sendAmount(uint amount) returns (uint256 bal) {
var x1 = h.getBalance.value;
uint someStackElement = 20;
var x2 = x1(amount).gas;
var x3 = x2(1000).value;
return x3(amount + 3)();// overwrite value
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8));
}
BOOST_AUTO_TEST_SUITE_END()