1// Copyright 2010 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
28// Flags: --expose-externalize-string --expose-gc
29
30function test() {
31  assertEquals("0123", "aa0bb1cc2dd3".replace(/[a-z]/g, ""));
32  assertEquals("0123", "\u1234a0bb1cc2dd3".replace(/[\u1234a-z]/g, ""));
33
34  var expected = "0123";
35  var cons = "a0b1c2d3";
36  for (var i = 0; i < 5; i++) {
37    expected += expected;
38    cons += cons;
39  }
40  assertEquals(expected, cons.replace(/[a-z]/g, ""));
41  cons = "\u12340b1c2d3";
42  for (var i = 0; i < 5; i++) {
43    cons += cons;
44  }
45  assertEquals(expected, cons.replace(/[\u1234a-z]/g, ""));
46
47  cons = "a0b1c2d3";
48  for (var i = 0; i < 5; i++) {
49    cons += cons;
50  }
51  externalizeString(cons, true/* force two-byte */);
52  assertEquals(expected, cons.replace(/[a-z]/g, ""));
53  cons = "\u12340b1c2d3";
54  for (var i = 0; i < 5; i++) {
55    cons += cons;
56  }
57  externalizeString(cons);
58  assertEquals(expected, cons.replace(/[\u1234a-z]/g, ""));
59}
60
61test();
62
63// Clear the regexp cache to allow the GC to work.
64"foo".replace(/foo/g, "");
65
66// GC in order to free up things on the C side so we don't get
67// a memory leak.  This makes valgrind happy.
68gc();
69gc();
70