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34 lines
779 B
JavaScript
34 lines
779 B
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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var set = new Set([1,2,3]);
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var iterator = set.keys();
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assertEquals([1,2,3], [...set.keys()]);
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assertEquals([1,2,3], [...iterator]);
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assertEquals([], [...iterator]);
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iterator = set.values();
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assertEquals([1,2,3], [...iterator]);
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assertEquals([], [...iterator]);
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iterator = set.keys();
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iterator.next();
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assertEquals([2,3], [...iterator]);
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assertEquals([], [...iterator]);
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iterator = set.values();
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var iterator2 = set.values();
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set.delete(1);
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assertEquals([2,3], [...iterator]);
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set.add(4);
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assertEquals([2,3,4], [...iterator2]);
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iterator = set.keys();
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set.add(1);
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assertEquals([2,3,4,1], [...iterator]);
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