solidity/test/libsolidity/smtCheckerTests/abi/abi_encode_packed_simple.sol
2020-12-29 22:17:44 +01:00

33 lines
1.3 KiB
Solidity

pragma experimental SMTChecker;
contract C {
function abiencodePackedSimple(bool t, uint x, uint y, uint z, uint[] memory a, uint[] memory b) public pure {
require(x == y);
bytes memory b1 = abi.encodePacked(x, z, a);
bytes memory b2 = abi.encodePacked(y, z, a);
assert(b1.length == b2.length);
bytes memory b3 = abi.encodePacked(y, z, b);
assert(b1.length == b3.length); // should fail
bytes memory b4 = abi.encodePacked(t, z, a);
assert(b1.length == b4.length); // should fail
bytes memory b5 = abi.encodePacked(y, y, y, y, a, a, a);
assert(b1.length != b5.length); // should fail
assert(b1.length == b5.length); // should fail
// Commented out because of nondeterminism in Spacer in Z3 4.8.9
//bytes memory b6 = abi.encode(x, z, a);
//assert(b1.length == b6.length); // should fail
}
}
// ----
// Warning 6328: (354-384): CHC: Assertion violation happens here.
// Warning 1218: (451-481): CHC: Error trying to invoke SMT solver.
// Warning 6328: (451-481): CHC: Assertion violation might happen here.
// Warning 6328: (560-590): CHC: Assertion violation happens here.
// Warning 1218: (609-639): CHC: Error trying to invoke SMT solver.
// Warning 6328: (609-639): CHC: Assertion violation might happen here.
// Warning 4661: (451-481): BMC: Assertion violation happens here.
// Warning 4661: (609-639): BMC: Assertion violation happens here.