solidity/test/libsolidity/semanticTests/viaYul/detect_sub_overflow.sol

18 lines
429 B
Solidity

contract C {
function f(uint a, uint b) public pure returns (uint x) {
x = a - b;
}
function g(uint8 a, uint8 b) public pure returns (uint8 x) {
x = a - b;
}
}
// ====
// compileViaYul: true
// ----
// f(uint256,uint256): 6, 5 -> 1
// f(uint256,uint256): 6, 6 -> 0
// f(uint256,uint256): 5, 6 -> FAILURE
// g(uint8,uint8): 6, 5 -> 1
// g(uint8,uint8): 6, 6 -> 0
// g(uint8,uint8): 5, 6 -> FAILURE