2e4efcfac2
To avoid tanking context startup performance, only the actual installation of the JS-exposed API is flag-guarded. The remainder of the implementation still resides in the snapshot. Review URL: https://codereview.chromium.org/1257063003 Cr-Commit-Position: refs/heads/master@{#30017}
20 lines
480 B
JavaScript
20 lines
480 B
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-object-observe
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// Flags: --allow-natives-syntax
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// These tests are meant to ensure that that the Object.observe runtime
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// functions are hardened.
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var obj = {};
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%SetIsObserved(obj);
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assertThrows(function() {
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%SetIsObserved(obj);
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});
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assertThrows(function() {
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%SetIsObserved(this);
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});
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