// |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);