28 lines
577 B
JavaScript
28 lines
577 B
JavaScript
|
// Copyright 2017 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
function f() {
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make prototype of f go dictionary-mode.
|
||
|
|
for (var i = 0; i < 10000; i++) {
|
||
|
|
f.prototype["b" + i] = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
var o = new f();
|
||
|
|
|
||
|
|
function access(o, k) {
|
||
|
|
return o[k];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create a thin string.
|
||
|
|
var p = "b";
|
||
|
|
p += 10001;
|
||
|
|
|
||
|
|
assertEquals(undefined, access(o, p));
|
||
|
|
assertEquals(undefined, access(o, p));
|
||
|
|
assertEquals(undefined, access(o, p));
|
||
|
|
f.prototype[p] = 100;
|
||
|
|
assertEquals(100, access(o, p));
|