test262/implementation-contributed/javascriptcore/stress/to-number-value-profiling.js

function shouldBe(actual, expected) {
    if (actual !== expected)
        throw new Error(`bad value: ${String(actual)}`);
}

function test(x) {
    return Number(x) < 42;
}
noInline(test);

var object = { valueOf() { return 42; } };
for (var i = 0; i < 1e4; ++i)
    shouldBe(test(object), false);

// Leave ToNumber for objects.
// And this should update the value profiling to accept doubles in ToNumber calls.
var object = { valueOf() { return 42.195; } };
for (var i = 0; i < 1e4; ++i)
    shouldBe(test(object), false);