Evaluate stuff

Evaluate

const data = [
    {x: -4, y: -5, expected: true},
    {x: 4, y: 5, expected: true},
    {x: -4, y: 5, expected: false},
    {x: 4, y: -5, expected: false},

    {x: -5, y: -4, expected: false},
    {x: 5, y: 4, expected: false},
    {x: -5, y: 4, expected: false},
    {x: 5, y: -4, expected: false}
];

function evaluate(input) {
    data.forEach(formula);
}

function formula(element) {
    let result = ( element.x < 0  ?
        element.x - element.y > 0  :  element.x - element.y < 0 )

    if (result != element.expected) console.log("failed");
    else console.log("passed");
}

evaluate(data);