1// Copyright 2008 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
28expected = ["A", undefined, "B", "bold", "/", "B", "and", undefined, "CODE", "coded", "/", "CODE", ""];
29result = "A<B>bold</B>and<CODE>coded</CODE>".split(/<(\/)?([^<>]+)>/);
30assertArrayEquals(expected, result);
31
32
33assertArrayEquals(["a", "b"], "ab".split(/a*?/));
34
35assertArrayEquals(["", "b"], "ab".split(/a*/));
36
37assertArrayEquals(["a"], "ab".split(/a*?/, 1));
38
39assertArrayEquals([""], "ab".split(/a*/, 1));
40
41assertArrayEquals(["as","fas","fas","f"], "asdfasdfasdf".split("d"));
42
43assertArrayEquals(["as","fas","fas","f"], "asdfasdfasdf".split("d", -1));
44
45assertArrayEquals(["as", "fas"], "asdfasdfasdf".split("d", 2));
46
47assertArrayEquals([], "asdfasdfasdf".split("d", 0));
48
49assertArrayEquals(["as","fas","fas",""], "asdfasdfasd".split("d"));
50
51assertArrayEquals([], "".split(""));
52
53assertArrayEquals([""], "".split("a"));
54
55assertArrayEquals(["a","b"], "axxb".split(/x*/));
56
57assertArrayEquals(["a","b"], "axxb".split(/x+/));
58
59assertArrayEquals(["a","","b"], "axxb".split(/x/));
60
61// This was http://b/issue?id=1151354
62assertArrayEquals(["div", "#id", ".class"], "div#id.class".split(/(?=[#.])/));
63
64
65assertArrayEquals(["div", "#i", "d", ".class"], "div#id.class".split(/(?=[d#.])/));
66
67assertArrayEquals(["a", "b", "c"], "abc".split(/(?=.)/));
68
69
70/* "ab".split(/((?=.))/)
71 *
72 * KJS:   ,a,,b
73 * SM:    a,,b,
74 * IE:    a,b
75 * Opera: a,,b
76 * V8:    a,,b
77 *
78 * Opera seems to have this right.  The others make no sense.
79 */
80assertArrayEquals(["a", "", "b"], "ab".split(/((?=.))/));
81
82/* "ab".split(/(?=)/)
83 *
84 * KJS:   a,b
85 * SM:    ab
86 * IE:    a,b
87 * Opera: a,bb
88 * V8:    a,b
89 */
90assertArrayEquals(["a", "b"], "ab".split(/(?=)/));
91
92
93// For issue http://code.google.com/p/v8/issues/detail?id=924
94// Splitting the empty string is a special case.
95assertEquals([""], ''.split());
96assertEquals([""], ''.split(/./));
97assertEquals([], ''.split(/.?/));
98assertEquals([], ''.split(/.??/));
99assertEquals([], ''.split(/()()/));
100
101
102// Issue http://code.google.com/p/v8/issues/detail?id=929
103// (Splitting with empty separator and a limit.)
104
105function numberObj(num) {
106  return {valueOf: function() { return num; }};
107}
108
109assertEquals([], "abc".split("", 0));
110assertEquals([], "abc".split("", numberObj(0)));
111assertEquals(["a"], "abc".split("", 1));
112assertEquals(["a"], "abc".split("", numberObj(1)));
113assertEquals(["a", "b"], "abc".split("", 2));
114assertEquals(["a", "b"], "abc".split("", numberObj(2)));
115assertEquals(["a", "b", "c"], "abc".split("", 3));
116assertEquals(["a", "b", "c"], "abc".split("", numberObj(3)));
117assertEquals(["a", "b", "c"], "abc".split("", 4));
118assertEquals(["a", "b", "c"], "abc".split("", numberObj(4)));
119
120
121var all_ascii_codes = [];
122for (var i = 0; i < 128; i++) all_ascii_codes[i] = i;
123var all_ascii_string = String.fromCharCode.apply(String, all_ascii_codes);
124
125var split_chars = all_ascii_string.split("");
126assertEquals(128, split_chars.length);
127for (var i = 0; i < 128; i++) {
128  assertEquals(1, split_chars[i].length);
129  assertEquals(i, split_chars[i].charCodeAt(0));
130}
131