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// Copyright (C) 2021 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-set.prototype.add
description: >
Observing the expected behavior of keys when a BigInt and Number have
the same value.
info: |
Set.prototype.add ( value )
...
For each element e of entries, do
If e is not empty and SameValueZero(e, value) is true, then
Return S.
If value is -0, set value to +0.
Append value as the last element of entries.
...
features: [BigInt]
---*/
const number = 9007199254740991;
const bigint = 9007199254740991n;
const s = new Set([
number,
bigint,
]);
assert.sameValue(s.size, 2);
assert.sameValue(s.has(number), true);
assert.sameValue(s.has(bigint), true);
s.delete(number);
assert.sameValue(s.size, 1);
assert.sameValue(s.has(number), false);
s.delete(bigint);
assert.sameValue(s.size, 0);
assert.sameValue(s.has(bigint), false);
s.add(number);
assert.sameValue(s.size, 1);
s.add(bigint);
assert.sameValue(s.size, 2);
reportCompare(0, 0);