1// Copyright 2012 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28var a = [];
29var new_space_string = "a";
30for (var i = 0; i < 8; i++) {
31  new_space_string += new_space_string;
32}
33for (var i = 0; i < 10000; i++) a.push(new_space_string);
34
35// At some point during the first stringify, allocation causes a GC and
36// new_space_string is moved to old space. Make sure that this does not
37// screw up reading from the correct location.
38json1 = JSON.stringify(a);
39json2 = JSON.stringify(a);
40assertTrue(json1 == json2, "GC caused JSON.stringify to fail.");
41
42// Check that the slow path of JSON.stringify works correctly wrt GC.
43for (var i = 0; i < 10000; i++) {
44  var s = i.toString();
45  assertEquals('"' + s + '"', JSON.stringify(s, null, 0));
46}
47
48for (var i = 0; i < 10000; i++) {
49  var s = i.toString() + "\u2603";
50  assertEquals('"' + s + '"', JSON.stringify(s, null, 0));
51}
52