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Merge pull request #888 from chriseth/throwOnDivZero

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Throw on division by zero.
This commit is contained in:
chriseth
2016-08-17 16:43:13 +02:00
committed by GitHub
parent 6baa982a6a 34f9a59f18
commit d6579a0a5f
4 changed files with 41 additions and 3 deletions
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test/libsolidity/SolidityEndToEndTest.cpp
+21
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@@ -6209,6 +6209,27 @@ BOOST_AUTO_TEST_CASE(addmod_mulmod)
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(divisiod_by_zero)
{
char const* sourceCode = R"(
contract C {
function div(uint a, uint b) returns (uint) {
return a / b;
}
function mod(uint a, uint b) returns (uint) {
return a % b;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("div(uint256,uint256)", 7, 2) == encodeArgs(u256(3)));
// throws
BOOST_CHECK(callContractFunction("div(uint256,uint256)", 7, 0) == encodeArgs());
BOOST_CHECK(callContractFunction("mod(uint256,uint256)", 7, 2) == encodeArgs(u256(1)));
// throws
BOOST_CHECK(callContractFunction("mod(uint256,uint256)", 7, 0) == encodeArgs());
}
BOOST_AUTO_TEST_CASE(string_allocation_bug)
{
char const* sourceCode = R"(