JSTests/es6/destructuring_in_parameters.js

function test() {

return (function({a, x:b, y:e}, [c, d]) {
  return a === 1 && b === 2 && c === 3 &&
    d === 4 && e === undefined;
}({a:1, x:2}, [3, 4]));
      
}

if (!test())
    throw new Error("Test failed");