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
28// Make sure the strings are long enough to trigger the one-char string replace.
29var prefix1024 = "0123456789ABCDEF";
30for (var i = 0; i < 6; i++) prefix1024 += prefix1024;
31
32function test_replace(result, expected, search, replace) {
33  assertEquals(expected, result.replace(search, replace));
34}
35
36// '$' in the replace string.
37test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz",
38             prefix1024 + "abcdefghijk#l#mnopqrstuvwxyz",
39             "l", "#$&#");
40
41test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz\u1234",
42             prefix1024 + "abcdefghijk\u2012l\u2012mnopqrstuvwxyz\u1234",
43             "l", "\u2012$&\u2012");
44
45test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz",
46             prefix1024 + "abcdefghijk$mnopqrstuvwxyz",
47             "l", "$$");
48
49test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz\u1234",
50             prefix1024 + "abcdefghijk$mnopqrstuvwxyz\u1234",
51             "l", "$$");
52
53// Zero length replace string.
54test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz",
55             prefix1024 + "abcdefghijklmnopqstuvwxyz",
56             "r", "");
57
58test_replace(prefix1024 + "abcdefghijklmnopq\u1234stuvwxyz",
59             prefix1024 + "abcdefghijklmnopqstuvwxyz",
60             "\u1234", "");
61
62// Search char not found.
63var not_found_1 = prefix1024 + "abcdefghijklmnopqrstuvwxyz";
64test_replace(not_found_1, not_found_1, "+", "-");
65
66var not_found_2 = prefix1024 + "abcdefghijklm\u1234nopqrstuvwxyz";
67test_replace(not_found_2, not_found_2, "+", "---");
68
69var not_found_3 = prefix1024 + "abcdefghijklmnopqrstuvwxyz";
70test_replace(not_found_3, not_found_3, "\u1234", "ZZZ");
71
72// Deep cons tree.
73var nested_1 = "";
74for (var i = 0; i < 100000; i++) nested_1 += "y";
75var nested_1_result = prefix1024 + nested_1 + "aa";
76nested_1 = prefix1024 + nested_1 + "z";
77test_replace(nested_1, nested_1_result, "z", "aa");
78
79var nested_2 = "\u2244";
80for (var i = 0; i < 100000; i++) nested_2 += "y";
81var nested_2_result = prefix1024 + nested_2 + "aa";
82nested_2 = prefix1024 + nested_2 + "\u2012";
83test_replace(nested_2, nested_2_result, "\u2012", "aa");
84
85// Sliced string as input.  A cons string is always flattened before sliced.
86var slice_1 = ("ab" + prefix1024 + "cdefghijklmnopqrstuvwxyz").slice(1, -1);
87var slice_1_result = "b" + prefix1024 + "cdefghijklmnopqrstuvwxQ";
88test_replace(slice_1, slice_1_result, "y", "Q");
89
90var slice_2 = (prefix1024 + "abcdefghijklmno\u1234\u1234p").slice(1, -1);
91var slice_2_result = prefix1024.substr(1) + "abcdefghijklmnoQ\u1234";
92test_replace(slice_2, slice_2_result, "\u1234", "Q");
93