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// |reftest| skip -- set-methods is not supported
// Copyright (C) 2023 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Test isSubsetOf set method after table transition in receiver.
features: [set-methods]
---*/
const firstSet = new Set();
firstSet.add(42);
firstSet.add(43);
firstSet.add(44);
const setLike = {
size: 5,
keys() {
return [1, 2, 3, 4, 5].keys();
},
has(key) {
if (key == 42) {
// Cause a table transition in the receiver.
firstSet.clear();
}
// Return true so we keep iterating the transitioned receiver.
return true;
}
};
assert.sameValue(firstSet.isSubsetOf(setLike), true);
assert.sameValue(firstSet.size, 0);
reportCompare(0, 0);