mirror of https://github.com/tc39/test262.git
25 lines
551 B
JavaScript
25 lines
551 B
JavaScript
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// Copyright (C) 2023 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: Test isSubsetOf set method on a set like with equal size.
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features: [set-methods]
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---*/
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const SetLike = {
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arr: [42, 44, 45],
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size: 3,
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keys() {
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return this.arr[Symbol.iterator]();
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},
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has(key) {
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return this.arr.indexOf(key) != -1;
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}
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};
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const firstSet = new Set();
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firstSet.add(42);
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firstSet.add(43);
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firstSet.add(45);
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assert.sameValue(firstSet.isSubsetOf(SetLike), false);
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