solidity/test/libsolidity/smtCheckerTests/operators/function_call_named_arguments.sol

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pragma experimental SMTChecker;
library L {
function l(uint x, uint y) internal pure returns (uint) {
return x + y;
}
}
contract C {
function f(uint u, uint s, bool b) internal pure returns (uint z) {
if (b)
z = u;
else
z = s;
}
using L for uint;
function call() public pure {
uint a = 2;
uint b = a.l({y: 3});
assert(b == 5);
b = L.l({x: 3, y: 3});
assert(b == 6);
b = f({b: true, u: 1, s: 2});
assert(b == 1);
b = f({b: false, u: 1, s: 2});
// Fails, should be 2.
assert(b == 6);
}
}
// ----
// Warning 6328: (507-521): CHC: Assertion violation happens here.\nCounterexample:\n\n\n\n\nTransaction trace:\nC.constructor()\nC.call()