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37 lines
749 B
JavaScript
37 lines
749 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 empty, return new WeakMap object.
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info: |
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23.3.1.1 WeakMap ( [ iterable ] )
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...
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9. Repeat
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...
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d. Let nextItem be IteratorValue(next).
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e. ReturnIfAbrupt(nextItem).
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...
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features: [Symbol.iterator]
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---*/
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var iterable = {};
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iterable[Symbol.iterator] = function() {
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return {
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next: function() {
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return {
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get value() {
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throw new Test262Error();
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},
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done: false
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};
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}
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};
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};
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assert.throws(Test262Error, function() {
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new WeakMap(iterable);
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});
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