var assert = require('assert');
var entries = require('object.entries');
var obj = { a: 1, b: 2, c: 3 };
var expected = [['a', 1], ['b', 2], ['c', 3]];
if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
	// for environments with Symbol support
	var sym = Symbol();
	obj[sym] = 4;
	obj.d = sym;
	expected.push(['d', sym]);
}
assert.deepEqual(entries(obj), expected);
if (!Object.entries) {
	entries.shim();
}
assert.deepEqual(Object.entries(obj), expected);