JSTests/test262/test/built-ins/Array/prototype/flatten/empty-object-elements.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.flatten
description: >
    arrays with empty object elements
includes: [compareArray.js]
features: [Array.prototype.flatten]
---*/

var a = {}, b = {};

assert.compareArray([a].flatten(), [a]);
assert.compareArray([a, [b]].flatten(), [a, b]);
assert.compareArray([[a], b].flatten(), [a, b]);
assert.compareArray([[a], [b]].flatten(), [a, b]);