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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
18 lines
507 B
JavaScript
18 lines
507 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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// Flags: --allow-natives-syntax
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// Create a double elements array.
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const iterable = [123.123];
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assertTrue(%HasDoubleElements(iterable))
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iterable.length = 0;
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assertTrue(%HasDoubleElements(iterable))
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// Should not throw here.
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let map = new Map(iterable);
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assertEquals(0, map.size);
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new WeakMap(iterable); // WeakMap does not have a size
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