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}
29 lines
641 B
JavaScript
29 lines
641 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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//
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// Flags: --harmony-object-observe
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var indexZeroCallCount = 0;
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var indexOneCallCount = 0;
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var lengthCallCount = 0;
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var acceptList = {
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get 0() {
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indexZeroCallCount++;
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return 'foo';
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},
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get 1() {
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indexOneCallCount++;
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return 'bar';
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},
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get length() {
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lengthCallCount++;
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return 1;
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}
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};
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Object.observe({}, function(){}, acceptList);
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assertEquals(1, lengthCallCount);
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assertEquals(1, indexZeroCallCount);
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assertEquals(0, indexOneCallCount);
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