solidity/test/libsolidity/smtCheckerTests/modifiers/modifier_inside_branch_assignment.sol
2021-01-04 10:03:16 +01:00

24 lines
498 B
Solidity

pragma experimental SMTChecker;
contract C {
uint x;
address owner;
modifier onlyOwner {
if (msg.sender == owner) _;
}
function f() public onlyOwner {
x = 0;
}
function g(uint y) public {
x = 1;
if (y > 0)
f();
// Fails for {y = >0, msg.sender == owner, x = 0}.
assert(x > 0);
}
}
// ----
// Warning 6328: (287-300): CHC: Assertion violation happens here.\nCounterexample:\nx = 0, owner = 0\ny = 1\n\n\nTransaction trace:\nC.constructor()\nState: x = 0, owner = 0\nC.g(1)