mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
19 lines
328 B
Solidity
19 lines
328 B
Solidity
pragma experimental SMTChecker;
|
|
|
|
contract C
|
|
{
|
|
mapping (uint => uint) map;
|
|
function f(uint x) public {
|
|
map[x] = 5;
|
|
uint a = --map[x];
|
|
assert(map[x] == 4);
|
|
assert(a == 4);
|
|
uint b = map[x]--;
|
|
assert(map[x] == 3);
|
|
// Should fail.
|
|
assert(b > 4);
|
|
}
|
|
}
|
|
// ----
|
|
// Warning: (244-257): Assertion violation happens here
|