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d82e1075db
PR-URL: https://github.com/nodejs/node/pull/14730 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
28 lines
577 B
JavaScript
28 lines
577 B
JavaScript
// Copyright 2017 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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function f() {
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}
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// Make prototype of f go dictionary-mode.
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for (var i = 0; i < 10000; i++) {
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f.prototype["b" + i] = 1;
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}
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var o = new f();
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function access(o, k) {
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return o[k];
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}
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// Create a thin string.
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var p = "b";
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p += 10001;
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assertEquals(undefined, access(o, p));
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assertEquals(undefined, access(o, p));
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assertEquals(undefined, access(o, p));
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f.prototype[p] = 100;
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assertEquals(100, access(o, p));
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