mirror of https://github.com/tc39/test262.git
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
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// Copyright 2011 Google Inc. 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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info: >
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If a particular API exists (document.createElement, as happens to
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exist in a browser environment), check if the form objects it makes
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obey the constraints that even host objects must obey. In this
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case, that if defineProperty seems to have successfully installed a
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non-configurable getter, that it is still there.
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es5id: 15.2.3.6_A1
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description: Do getters on HTMLFormElements disappear?
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---*/
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function getter() { return 'gotten'; }
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if (typeof document !== 'undefined' &&
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typeof document.createElement === 'function') {
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var f = document.createElement("form");
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var refused = false;
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try {
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Object.defineProperty(f, 'foo', {
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get: getter,
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set: void 0
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});
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} catch (err) {
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// A host object may refuse to install the getter
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refused = true;
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}
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if (!refused) {
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var desc = Object.getOwnPropertyDescriptor(f, 'foo');
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if (desc.get !== getter) {
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$ERROR('Getter on HTMLFormElement disappears');
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}
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}
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}
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