mirror of https://github.com/tc39/test262.git
29 lines
660 B
JavaScript
29 lines
660 B
JavaScript
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// 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: 9.5.10
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description: >
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[[Delete]] (P)
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A property cannot be reported as deleted, if it exists as a non-configurable
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own property of the target object.
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info: >
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14. If targetDesc.[[Configurable]] is false, throw a TypeError exception.
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---*/
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var target = {};
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var p = new Proxy(target, {
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deleteProperty: function() {
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return true;
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}
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});
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Object.defineProperty(target, "attr", {
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configurable: false,
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value: 1
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});
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assert.throws(TypeError, function() {
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delete p.attr;
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});
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