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// |reftest| shell-option(--enable-upsert) skip-if(!WeakMap.prototype.getOrInsert)
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// Copyright (C) 2025 Jonas Haukenes. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: proposal-upsert
description: >
Returns the value from the specified Object key
info: |
WeakMap.prototype.getOrInsert ( key, value)
...
4. For each Record { [[Key]], [[Value]] } p of M.[[WeakMapData]], do
a. If p.[[Key]] is not empty and SameValue(p.[[Key]], key) is true, return p.[[Value]].
...
features: [WeakMap]
---*/
var foo = {};
var bar = {};
var baz = [];
var map = new WeakMap([
[foo, 0]
]);
assertEq(map.getOrInsert(foo, 3), 0);
map.set(bar, 1);
assertEq(map.getOrInsert(bar, 4), 1);
map.set(baz, 2);
assertEq(map.getOrInsert(baz, 5), 2);
reportCompare(0, 0);