JSTests/test262/test/built-ins/Array/prototype/flat/positive-infinity.js

// Copyright (C) 2018 Shilpi Jain and Michael Ficarra. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.flat
description: >
    if the argument is a positive infinity, the depthNum is max depth of the array
includes: [compareArray.js]
features: [Array.prototype.flat]
---*/

var a = [1, [2, [3, [4]]]]
assert(compareArray(a.flat(Number.POSITIVE_INFINITY), [1, 2, 3, 4]), 'positive infinity depthNum');