solidity/test/libsolidity/smtCheckerTests/operators/assignment_contract_member_variable.sol
2020-10-26 14:39:02 +00:00

31 lines
600 B
Solidity

pragma experimental SMTChecker;
contract A {
int x;
int y;
function a() public {
require(A.x < 100);
A.y = A.x++;
assert(A.y == A.x - 1);
// Fails
assert(A.y == 0);
A.y = ++A.x;
assert(A.y == A.x);
delete A.x;
assert(A.x == 0);
A.y = A.x--;
assert(A.y == A.x + 1);
assert(A.y == 0);
A.y = --A.x;
assert(A.y == A.x);
A.x += 10;
// Fails
assert(A.y == 0);
assert(A.y + 10 == A.x);
A.x -= 10;
assert(A.y == A.x);
}
}
// ----
// Warning 6328: (160-176): CHC: Assertion violation happens here.
// Warning 6328: (373-389): CHC: Assertion violation happens here.