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18 lines
592 B
JavaScript
18 lines
592 B
JavaScript
// Copyright (C) 2013 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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es6id: 19.4
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description: >
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Symbol as Set entry
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features: [Symbol, Set]
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---*/
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var set = new Set();
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var sym = Symbol();
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set.add(sym);
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assert.sameValue(set.size, 1, "The value of `set.size` is `1`, after executing `set.add(sym)`");
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assert.sameValue(set.has(sym), true, "`set.has(sym)` returns `true`");
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assert.sameValue(set.delete(sym), true, "`set.delete(sym)` returns `true`");
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assert.sameValue(set.size, 0, "The value of `set.size` is `0`");
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