solidity/test/libsolidity/smtCheckerTests/array_members/push_as_lhs_2d.sol
2021-04-08 21:03:39 +02:00

25 lines
617 B
Solidity

contract C {
uint[][] c;
function f() public {
require(c.length == 0);
c.push().push() = 2;
assert(c.length == 1);
assert(c[0].length == 1);
assert(c[0][0] == 2);
}
function g() public {
c.push().push() = 2;
assert(c.length > 0);
assert(c[c.length - 1].length == 1);
assert(c[c.length - 1][c[c.length - 1].length - 1] == 2);
// Fails
assert(c[c.length - 1][c[c.length - 1].length - 1] == 200);
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (362-420): CHC: Assertion violation happens here.\nCounterexample:\nc = [[2]]\n\nTransaction trace:\nC.constructor()\nState: c = []\nC.g()