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28 lines
778 B
JavaScript
28 lines
778 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: 19.1.2.1
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description: Errors thrown during definition of target object attributes
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info: |
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[...]
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5. For each element nextSource of sources, in ascending index order,
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[...]
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c. Repeat for each element nextKey of keys in List order,
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[...]
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iii. if desc is not undefined and desc.[[Enumerable]] is true, then
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[...]
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3. Let status be Set(to, nextKey, propValue, true).
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4. ReturnIfAbrupt(status).
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---*/
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var target = {};
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Object.defineProperty(target, 'attr', {
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writable: false
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});
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assert.throws(TypeError, function() {
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Object.assign(target, {
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attr: 1
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});
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});
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