solidity/test/libsolidity/smtCheckerTests/operators/compound_bitwise_and_int.sol
2021-04-08 21:03:39 +02:00

22 lines
414 B
Solidity

contract C {
function f() public pure {
int8 x = 1;
int8 y = 0;
x &= y;
assert(x != 0); // fails
x = -1; y = 3;
y &= x;
assert(y == 3);
y = -1;
y &= x;
assert(y == -1);
y = 127;
x &= y;
assert(x == 127);
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (81-95): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 0\ny = 0\n\nTransaction trace:\nC.constructor()\nC.f()