solidity/test/libsolidity/smtCheckerTests/try_catch/try_5.sol
2021-04-08 21:03:39 +02:00

29 lines
554 B
Solidity

abstract contract D {
function d() external virtual;
}
contract C {
int x;
D d;
function set(int n) public {
require(n < 100);
x = n;
}
function f() public {
x = 0;
try d.d() {
assert(x < 100); // should hold
} catch {
assert(x == 0); // should hold, all changes to x has been reverted
assert(x == 1); // should fail
}
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (315-329): CHC: Assertion violation happens here.\nCounterexample:\nx = 0, d = 0\n\nTransaction trace:\nC.constructor()\nState: x = 0, d = 0\nC.f()