solidity/test/libsolidity/smtCheckerTests/inheritance/base_contract_assertion_fail_9.sol
2021-04-08 21:03:39 +02:00

33 lines
856 B
Solidity

contract A {
uint x;
function f() public virtual {
v();
assert(x == 0); // should fail when C is the most derived contract
assert(x == 2); // should fail when A is the most derived contract
}
function v() internal virtual {
x = 0;
}
}
contract B is A {
function f() public virtual override {
super.f();
}
}
contract C is B {
function g() public {
x = 1;
f();
}
function v() internal override {
x = 2;
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (131-145): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nA.constructor()\nState: x = 0\nA.f()\n A.v() -- internal call
// Warning 6328: (62-76): CHC: Assertion violation happens here.\nCounterexample:\nx = 2\n\nTransaction trace:\nC.constructor()\nState: x = 0\nB.f()\n A.f() -- internal call\n C.v() -- internal call