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26 lines
771 B
JavaScript
26 lines
771 B
JavaScript
// Copyright (C) 2015 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: 23.3.1.1
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esid: sec-weakmap-iterable
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description: >
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If the iterable argument is undefined, return new WeakMap object.
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info: >
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WeakMap ( [ iterable ] )
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...
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5. If iterable is not present, let iterable be undefined.
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6. If iterable is either undefined or null, let iter be undefined.
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...
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8. If iter is undefined, return map.
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...
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---*/
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var a = new WeakMap();
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var b = new WeakMap(undefined);
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var c = new WeakMap(null);
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assert.sameValue(Object.getPrototypeOf(a), WeakMap.prototype);
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assert.sameValue(Object.getPrototypeOf(b), WeakMap.prototype);
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assert.sameValue(Object.getPrototypeOf(c), WeakMap.prototype);
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