1 /*
2 * Copyright (c) 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 /* @test
25 * @bug 8003992
26 * @summary Test file path name normalizer, and ensure it can handle embedded
27 * NUL character correctly.
28 * @author Dan Xu
29 */
30
31 import java.io.File;
32
33 public class Normalize {
34
35 private final static char CHAR_NUL = '\u0000';
36
37 public static void main(String[] args) {
38 testNormalizer();
39 testUnixNormalizer();
40 testWindowsNormalizer();
41 }
42
43 private static void testNormalizer() {
44 StringBuilder name = new StringBuilder();
45
46 test(name.append(""), "");
47 test(name.append("").append(CHAR_NUL), "");
48 test(name.append(CHAR_NUL).append("").append(CHAR_NUL), "");
49 test(name.append(CHAR_NUL).append(CHAR_NUL).append("")
50 .append(CHAR_NUL).append(CHAR_NUL).append("")
51 .append(CHAR_NUL).append(CHAR_NUL), "");
52 }
53
54 private static void testUnixNormalizer() {
55 String osName = System.getProperty("os.name");
56 if (osName.startsWith("Windows"))
57 return;
58
59 StringBuilder name = new StringBuilder();
60
61 test(name.append('/'), "/");
62
63 name.setLength(0);
64 test(name.append(CHAR_NUL).append("/").append(CHAR_NUL), "/");
65
66 name.setLength(0);
67 test(name.append("//"), "/");
68
69 name.setLength(0);
70 test(name.append(CHAR_NUL).append("/").append(CHAR_NUL)
71 .append("/").append(CHAR_NUL), "/");
72
73 name.setLength(0);
74 test(name.append("///"), "/");
75
76 name.setLength(0);
77 test(name.append(CHAR_NUL).append("/").append(CHAR_NUL)
78 .append("/").append(CHAR_NUL)
79 .append("/").append(CHAR_NUL), "/");
80
81 name.setLength(0);
82 test(name.append("/data//"), "/data");
83
84 name.setLength(0);
85 test(name.append("/data").append(CHAR_NUL).append('/')
86 .append(CHAR_NUL).append('/'), "/data");
87
88 name.setLength(0);
89 test(name.append("/data//info"), "/data/info");
90
91 name.setLength(0);
92 test(name.append("/data//info/"), "/data/info");
93
94 name.setLength(0);
95 test(name.append("//data///info//"), "/data/info");
96
97 name.setLength(0);
98 test(name.append(CHAR_NUL).append('/').append(CHAR_NUL).append('/')
99 .append("//data//").append(CHAR_NUL).append("//info//")
100 .append(CHAR_NUL).append("/").append(CHAR_NUL), "/data/info");
101
102 name.setLength(0);
103 test(name.append("//data///info//Book///"), "/data/info/Book");
104
105 name.setLength(0);
106 test(name.append(CHAR_NUL).append('/').append(CHAR_NUL).append('/')
107 .append("//data//").append(CHAR_NUL).append("//info//")
108 .append(CHAR_NUL).append("/").append(CHAR_NUL).append("Book")
109 .append(CHAR_NUL).append("///"), "/data/info/Book");
110
111 name.setLength(0);
112 test(name.append("data///info//Book///"), "data/info/Book");
113
114 name.setLength(0);
115 test(name.append(CHAR_NUL).append(CHAR_NUL).append("data//")
116 .append(CHAR_NUL).append("//info//").append(CHAR_NUL)
117 .append("/").append(CHAR_NUL).append("Book")
118 .append(CHAR_NUL).append("///"), "data/info/Book");
119 }
120
121 private static void testWindowsNormalizer() {
122 String osName = System.getProperty("os.name");
123 if (!osName.startsWith("Windows"))
124 return;
125
126 StringBuilder name = new StringBuilder();
127
128 test(name.append('/'), "\\");
129
130 name.setLength(0);
131 test(name.append(CHAR_NUL).append("/").append(CHAR_NUL), "\\");
132
133 name.setLength(0);
134 test(name.append('\\'), "\\");
135
136 name.setLength(0);
137 test(name.append(CHAR_NUL).append("\\").append(CHAR_NUL), "\\");
138
139 name.setLength(0);
140 test(name.append("\\\\"), "\\\\");
141
142 name.setLength(0);
143 test(name.append(CHAR_NUL).append("\\").append(CHAR_NUL)
144 .append("\\").append(CHAR_NUL), "\\\\");
145
146 name.setLength(0);
147 test(name.append("\\/"), "\\\\");
148
149 name.setLength(0);
150 test(name.append(CHAR_NUL).append("\\").append(CHAR_NUL)
151 .append("/").append(CHAR_NUL), "\\\\");
152
153 name.setLength(0);
154 test(name.append("/\\"), "\\\\");
155
156 name.setLength(0);
157 test(name.append(CHAR_NUL).append(CHAR_NUL).append("/").append(CHAR_NUL)
158 .append("\\").append(CHAR_NUL), "\\\\");
159
160 name.setLength(0);
161 test(name.append("/\\/"), "\\\\");
162
163 name.setLength(0);
164 test(name.append("/\\\\"), "\\\\");
165
166 name.setLength(0);
167 test(name.append("\\\\\\"), "\\\\");
168
169 name.setLength(0);
170 test(name.append("///"), "\\\\");
171
172 name.setLength(0);
173 test(name.append(CHAR_NUL).append(CHAR_NUL).append("/").append(CHAR_NUL)
174 .append("\\").append(CHAR_NUL)
175 .append("\\").append(CHAR_NUL), "\\\\");
176
177 name.setLength(0);
178 test(name.append("z:"), "z:");
179
180 name.setLength(0);
181 test(name.append(CHAR_NUL).append("z:").append(CHAR_NUL), "z:");
182
183 name.setLength(0);
184 test(name.append("\\z:"), "z:");
185
186 name.setLength(0);
187 test(name.append(CHAR_NUL).append("\\").append(CHAR_NUL)
188 .append("z:").append(CHAR_NUL), "z:");
189
190 name.setLength(0);
191 test(name.append("z:\\"), "z:\\");
192
193 name.setLength(0);
194 test(name.append(CHAR_NUL).append(CHAR_NUL)
195 .append("z:").append(CHAR_NUL).append("\\"), "z:\\");
196
197 name.setLength(0);
198 test(name.append(CHAR_NUL).append(CHAR_NUL)
199 .append("z:").append("\\").append(CHAR_NUL), "z:\\");
200
201 name.setLength(0);
202 test(name.append("z:/"), "z:\\");
203
204 name.setLength(0);
205 test(name.append(CHAR_NUL).append(CHAR_NUL)
206 .append("z:").append(CHAR_NUL).append("/"), "z:\\");
207
208 name.setLength(0);
209 test(name.append(CHAR_NUL).append(CHAR_NUL).append("z:")
210 .append("/").append(CHAR_NUL).append(CHAR_NUL), "z:\\");
211
212 name.setLength(0);
213 test(name.append("\\z:\\"), "z:\\");
214
215 name.setLength(0);
216 test(name.append(CHAR_NUL).append("\\").append("z").append(CHAR_NUL)
217 .append(':').append(CHAR_NUL).append("\\")
218 .append(CHAR_NUL), "z:\\");
219
220 name.setLength(0);
221 test(name.append("\\z:\\\\"), "z:\\");
222
223 name.setLength(0);
224 test(name.append(CHAR_NUL).append("\\").append("z").append(CHAR_NUL)
225 .append(':').append(CHAR_NUL).append("\\")
226 .append(CHAR_NUL).append('/'), "z:\\");
227
228 name.setLength(0);
229 test(name.append("\\\\z:\\\\"), "z:\\");
230
231 name.setLength(0);
232 test(name.append('/').append(CHAR_NUL).append("\\").append("z")
233 .append(CHAR_NUL).append(':').append(CHAR_NUL).append("\\")
234 .append(CHAR_NUL).append('/').append(CHAR_NUL), "z:\\");
235
236 name.setLength(0);
237 test(name.append("\\\\\\z:\\\\\\"), "z:\\");
238
239 name.setLength(0);
240 test(name.append(CHAR_NUL).append("\\").append('/').append(CHAR_NUL)
241 .append("\\").append("z").append(CHAR_NUL).append(CHAR_NUL)
242 .append(':').append(CHAR_NUL).append("\\").append(CHAR_NUL)
243 .append('/').append(CHAR_NUL).append(CHAR_NUL)
244 .append('/').append(CHAR_NUL).append(CHAR_NUL), "z:\\");
245
246 name.setLength(0);
247 test(name.append("\\\\\\//z:\\\\\\"), "z:\\");
248
249 name.setLength(0);
250 test(name.append(CHAR_NUL).append("\\").append('/').append(CHAR_NUL)
251 .append("\\").append("//").append(CHAR_NUL).append("z")
252 .append(CHAR_NUL).append(CHAR_NUL).append(CHAR_NUL)
253 .append(':').append(CHAR_NUL).append("\\").append(CHAR_NUL)
254 .append('/').append(CHAR_NUL).append(CHAR_NUL)
255 .append('/').append(CHAR_NUL).append(CHAR_NUL), "z:\\");
256
257 name.setLength(0);
258 test(name.append("\\\\\\//z:\\\\\\data///info/\\Book"),
259 "z:\\data\\info\\Book");
260
261 name.setLength(0);
262 test(name.append(CHAR_NUL).append("\\").append('/').append(CHAR_NUL)
263 .append("\\").append("//").append(CHAR_NUL).append("z")
264 .append(CHAR_NUL).append(CHAR_NUL).append(CHAR_NUL)
265 .append(':').append(CHAR_NUL).append("\\").append(CHAR_NUL)
266 .append('/').append(CHAR_NUL).append(CHAR_NUL)
267 .append('/').append(CHAR_NUL).append(CHAR_NUL)
268 .append("data").append('\\').append(CHAR_NUL)
269 .append('/').append(CHAR_NUL).append(CHAR_NUL)
270 .append("info").append('/').append(CHAR_NUL)
271 .append('\\').append(CHAR_NUL).append(CHAR_NUL)
272 .append("Book").append('/').append(CHAR_NUL)
273 .append('\\').append(CHAR_NUL).append(CHAR_NUL)
274 .append(CHAR_NUL), "z:\\data\\info\\Book");
275 }
276
277 private static void test(StringBuilder pathName, String normalPath) {
278 File aFile = new File(pathName.toString());
279 String path = aFile.getPath();
280
281 if (!normalPath.equals(path))
282 throw new RuntimeException("File path, " + pathName +
283 "(length " + pathName.length() +
284 "), should be normalized to, " + normalPath +
285 "(length " + normalPath.length() +
286 "), not, " + path + "(length " + path.length() + ")");
287 }
288 }