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// |reftest| shell-option(--enable-upsert) skip-if(!WeakMap.prototype.getOrInsertComputed)
// 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.getOrInsertComputed ( key, callbackfn )
...
8. Let p be the Record { [[Key]]: key, [[Value]]: value }.
9. Append p to M.[[WeakMapData]].
10. Return value.
features: [WeakMap]
---*/
var foo = {};
var bar = {};
var baz = [];
var map = new WeakMap();
assertEq(map.getOrInsertComputed(foo, () => 0), 0);
assertEq(map.getOrInsertComputed(bar, () => 1), 1);
assertEq(map.getOrInsertComputed(baz, () => 2), 2);
reportCompare(0, 0);