solidity/test/libsolidity/smtCheckerTests/operators/unary_sub_mapping.sol
2022-04-01 23:41:18 -05:00

20 lines
369 B
Solidity

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);
}
}
// ====
// SMTEngine: all
// SMTIgnoreCex: yes
// ----
// Warning 6328: (211-224='assert(b > 4)'): CHC: Assertion violation happens here.