mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
25 lines
521 B
Solidity
25 lines
521 B
Solidity
abstract contract A {
|
|
uint s;
|
|
|
|
function f() public mod(s) {}
|
|
modifier mod(uint x) virtual;
|
|
}
|
|
|
|
contract B is A {
|
|
modifier mod(uint x) override {
|
|
require(x == 42);
|
|
_;
|
|
assert(x == 42); // should hold
|
|
assert(x == 0); // should fail
|
|
}
|
|
|
|
function set(uint x) public {
|
|
s = x;
|
|
}
|
|
}
|
|
// ====
|
|
// SMTEngine: all
|
|
// ----
|
|
// Warning 6328: (209-223): CHC: Assertion violation happens here.
|
|
// Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
|