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Addmod and mulmod.

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This commit is contained in:
chriseth
2015-11-18 17:12:39 +01:00
parent b4e666ccf4
commit 0cf8d022ae
4 changed files with 38 additions and 0 deletions
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test/libsolidity/SolidityEndToEndTest.cpp
+18
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@@ -5831,6 +5831,24 @@ BOOST_AUTO_TEST_CASE(memory_overwrite)
BOOST_CHECK(callContractFunction("f()") == encodeDyn(string("b23a5")));
}
BOOST_AUTO_TEST_CASE(addmod_mulmod)
{
char const* sourceCode = R"(
contract C {
function test() returns (uint) {
// Note that this only works because computation on literals is done using
// unbounded integers.
if ((2**255 + 2**255) % 7 != addmod(2**255, 2**255, 7))
return 1;
if ((2**255 + 2**255) % 7 != addmod(2**255, 2**255, 7))
return 2;
return 0;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_SUITE_END()
}