1/*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * JDK-8019987: String trimRight and trimLeft could be defined.
26 *
27 * @test
28 * @run
29 */
30
31var TESTSTRING = "abcde";
32
33var SPACES                       = "     ";
34var TESTSTRING_LEFT_SPACES       = SPACES + TESTSTRING;
35var TESTSTRING_RIGHT_SPACES      = TESTSTRING + SPACES;
36var TESTSTRING_BOTH_SPACES       = SPACES + TESTSTRING + SPACES;
37var TESTSTRING_MIDDLE_SPACES     = TESTSTRING + SPACES + TESTSTRING;
38
39var WHITESPACE =
40        " \t"    + // space and tab
41        "\n\r"   + // newline and return
42        "\u2028" + // line separator
43        "\u2029" + // paragraph separator
44        "\u000b" + // tabulation line
45        "\u000c" + // ff (ctrl-l)
46        "\u00a0" + // Latin-1 space
47        "\u1680" + // Ogham space mark
48        "\u180e" + // separator, Mongolian vowel
49        "\u2000" + // en quad
50        "\u2001" + // em quad
51        "\u2002" + // en space
52        "\u2003" + // em space
53        "\u2004" + // three-per-em space
54        "\u2005" + // four-per-em space
55        "\u2006" + // six-per-em space
56        "\u2007" + // figure space
57        "\u2008" + // punctuation space
58        "\u2009" + // thin space
59        "\u200a" + // hair space
60        "\u202f" + // narrow no-break space
61        "\u205f" + // medium mathematical space
62        "\u3000" + // ideographic space
63        "\ufeff";  // byte order mark
64var TESTSTRING_LEFT_WHITESPACE   = WHITESPACE + TESTSTRING;
65var TESTSTRING_RIGHT_WHITESPACE  = TESTSTRING + WHITESPACE;
66var TESTSTRING_BOTH_WHITESPACE   = WHITESPACE + TESTSTRING + WHITESPACE;
67var TESTSTRING_MIDDLE_WHITESPACE = TESTSTRING + WHITESPACE + TESTSTRING;
68
69function escape(string) {
70    var sb = new java.lang.StringBuilder();
71    sb.append("\"");
72
73    for (var i = 0; i < string.length; i++) {
74        var ch = string.charAt(i);
75
76        switch (ch) {
77        case '\\':
78            sb.append("\\\\");
79            break;
80        case '"':
81            sb.append("\\\"");
82            break;
83        case '\'':
84            sb.append("\\\'");
85            break;
86        case '\b':
87            sb.append("\\b");
88            break;
89        case '\f':
90            sb.append("\\f");
91            break;
92        case '\n':
93            sb.append("\\n");
94            break;
95        case '\r':
96            sb.append("\\r");
97            break;
98        case '\t':
99            sb.append("\\t");
100            break;
101        default:
102            var code = string.charCodeAt(i);
103
104            if (code < 0x20 || code >= 0xFF) {
105                sb.append("\\u");
106
107                var hex = java.lang.Integer.toHexString(code);
108                for (var i = hex.length; i < 4; i++) {
109                    sb.append('0');
110                }
111                sb.append(hex);
112            } else {
113                sb.append(ch);
114            }
115
116            break;
117        }
118    }
119
120    sb.append("\"");
121
122    return sb.toString();
123}
124
125var count = 0;
126function test(expected, trimmed) {
127    count++;
128    if (trimmed != expected) {
129        print(count + ": Expected: " + escape(expected) + ", found: " + escape(trimmed));
130    }
131}
132
133test("",                           SPACES.trim());
134test("",                           SPACES.trimLeft());
135test("",                           SPACES.trimRight());
136
137test(TESTSTRING,                   TESTSTRING_LEFT_SPACES.trim());
138test(TESTSTRING,                   TESTSTRING_LEFT_SPACES.trimLeft());
139test(TESTSTRING_LEFT_SPACES,       TESTSTRING_LEFT_SPACES.trimRight());
140
141test(TESTSTRING,                   TESTSTRING_RIGHT_SPACES.trim());
142test(TESTSTRING_RIGHT_SPACES,      TESTSTRING_RIGHT_SPACES.trimLeft());
143test(TESTSTRING,                   TESTSTRING_RIGHT_SPACES.trimRight());
144
145test(TESTSTRING,                   TESTSTRING_BOTH_SPACES.trim());
146test(TESTSTRING_RIGHT_SPACES,      TESTSTRING_BOTH_SPACES.trimLeft());
147test(TESTSTRING_LEFT_SPACES,       TESTSTRING_BOTH_SPACES.trimRight());
148
149test(TESTSTRING_MIDDLE_SPACES,     TESTSTRING_MIDDLE_SPACES.trim());
150test(TESTSTRING_MIDDLE_SPACES,     TESTSTRING_MIDDLE_SPACES.trimLeft());
151test(TESTSTRING_MIDDLE_SPACES,     TESTSTRING_MIDDLE_SPACES.trimRight());
152
153test("",                           WHITESPACE.trim());
154test("",                           WHITESPACE.trimLeft());
155test("",                           WHITESPACE.trimRight());
156
157test(TESTSTRING,                   TESTSTRING_LEFT_WHITESPACE.trim());
158test(TESTSTRING,                   TESTSTRING_LEFT_WHITESPACE.trimLeft());
159test(TESTSTRING_LEFT_WHITESPACE,   TESTSTRING_LEFT_WHITESPACE.trimRight());
160
161test(TESTSTRING,                   TESTSTRING_RIGHT_WHITESPACE.trim());
162test(TESTSTRING_RIGHT_WHITESPACE,  TESTSTRING_RIGHT_WHITESPACE.trimLeft());
163test(TESTSTRING,                   TESTSTRING_RIGHT_WHITESPACE.trimRight());
164
165test(TESTSTRING,                   TESTSTRING_BOTH_WHITESPACE.trim());
166test(TESTSTRING_RIGHT_WHITESPACE,  TESTSTRING_BOTH_WHITESPACE.trimLeft());
167test(TESTSTRING_LEFT_WHITESPACE,   TESTSTRING_BOTH_WHITESPACE.trimRight());
168
169test(TESTSTRING_MIDDLE_WHITESPACE, TESTSTRING_MIDDLE_WHITESPACE.trim());
170test(TESTSTRING_MIDDLE_WHITESPACE, TESTSTRING_MIDDLE_WHITESPACE.trimLeft());
171test(TESTSTRING_MIDDLE_WHITESPACE, TESTSTRING_MIDDLE_WHITESPACE.trimRight());
172