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33 lines
721 B
JavaScript
33 lines
721 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: 9.5.5
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description: >
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Throws a TypeError exception if trap result is undefined and target is not
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extensible
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info: |
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[[GetOwnProperty]] (P)
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...
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14. If trapResultObj is undefined, then
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...
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e. If ToBoolean(extensibleTarget) is false, throw a TypeError exception.
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...
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---*/
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var target = {
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foo: 1
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};
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var p = new Proxy(target, {
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getOwnPropertyDescriptor: function(t, prop) {
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return;
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}
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});
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Object.preventExtensions(target);
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assert.throws(TypeError, function() {
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Object.getOwnPropertyDescriptor(p, "foo");
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});
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