solidity/test/libsolidity/smtCheckerTests/operators/shifts/shift_left_uint32.sol
2023-03-09 14:59:32 +01:00

31 lines
1.0 KiB
Solidity

contract C {
function f(uint32 a, uint32 b) internal pure returns (uint256) {
return a << b;
}
function t() public pure {
assert(f(0x4266, 0) == 0x4266);
// Fails because the above is true.
assert(f(0x4266, 0) == 0x4267);
assert(f(0x4266, 0x10) == 0x42660000);
// Fails because the above is true.
assert(f(0x4266, 0x10) == 0x426600000);
assert(f(0x4266, 0x11) == 0x84cc0000);
// Fails because the above is true.
assert(f(0x4266, 0x11) == 0x84cc000);
assert(f(0x4266, 0x20) == 0);
// Fails because the above is true.
assert(f(0x4266, 0x20) == 1);
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (213-243): CHC: Assertion violation happens here.
// Warning 6328: (327-365): CHC: Assertion violation happens here.
// Warning 6328: (449-485): CHC: Assertion violation happens here.
// Warning 6328: (560-588): CHC: Assertion violation happens here.
// Info 1391: CHC: 4 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.