solidity/test/libsolidity/smtCheckerTests/try_catch/try_3.sol
2023-03-09 14:59:32 +01:00

28 lines
755 B
Solidity

contract C {
int x;
function g(int y) public pure returns (int) {
return y;
}
function postinc() internal returns (int) {
x += 1;
return x;
}
function f() public {
x = 0;
try this.g(postinc()) {
assert(x == 1); // should hold
} catch (bytes memory s) {
assert(x == 0); // should fail - state is reverted to the state after postinc(), but before the call to this.g()
}
}
}
// ====
// SMTEngine: all
// ----
// Warning 5667: (259-273): Unused try/catch parameter. Remove or comment out the variable name to silence this warning.
// Warning 6328: (280-294): CHC: Assertion violation happens here.
// Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.