1 /*
2 * Copyright (c) 2008, 2009, 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 4313887 6838333
26 * @summary Unit test for java.nio.file.Files
27 * @library ..
28 */
29
30 import java.nio.file.*;
31 import java.nio.file.attribute.*;
32 import java.io.IOException;
33 import java.util.*;
34 import java.util.concurrent.TimeUnit;
35
36 /**
37 * Exercises getAttribute/setAttribute/readAttributes methods.
38 */
39
40 public class FileAttributes {
41
42 static void assertTrue(boolean okay) {
43 if (!okay)
44 throw new RuntimeException("Assertion Failed");
45 }
46
47 static void checkEqual(Object o1, Object o2) {
48 if (o1 == null) {
49 assertTrue(o2 == null);
50 } else {
51 assertTrue (o1.equals(o2));
52 }
53 }
54
55 // checks that two time values are within 1s of each other
56 static void checkNearEqual(FileTime t1, FileTime t2) {
57 long diff = Math.abs(t1.toMillis() - t2.toMillis());
58 assertTrue(diff <= 1000);
59 }
60
61 // Exercise getAttribute/setAttribute/readAttributes on basic attributes
62 static void checkBasicAttributes(Path file, BasicFileAttributes attrs)
63 throws IOException
64 {
65 // getAttribute
66 checkEqual(attrs.size(), Files.getAttribute(file, "size"));
67 checkEqual(attrs.lastModifiedTime(), Files.getAttribute(file, "basic:lastModifiedTime"));
68 checkEqual(attrs.lastAccessTime(), Files.getAttribute(file, "lastAccessTime"));
69 checkEqual(attrs.creationTime(), Files.getAttribute(file, "basic:creationTime"));
70 assertTrue((Boolean)Files.getAttribute(file, "isRegularFile"));
71 assertTrue(!(Boolean)Files.getAttribute(file, "basic:isDirectory"));
72 assertTrue(!(Boolean)Files.getAttribute(file, "isSymbolicLink"));
73 assertTrue(!(Boolean)Files.getAttribute(file, "basic:isOther"));
74 checkEqual(attrs.fileKey(), Files.getAttribute(file, "basic:fileKey"));
75
76 // setAttribute
77 FileTime modTime = attrs.lastModifiedTime();
78 Files.setAttribute(file, "basic:lastModifiedTime", FileTime.fromMillis(0L));
79 checkEqual(Files.getLastModifiedTime(file),
80 FileTime.fromMillis(0L));
81 Files.setAttribute(file, "lastModifiedTime", modTime);
82 checkEqual(Files.getLastModifiedTime(file), modTime);
83
84 Map<String,Object> map;
85 map = Files.readAttributes(file, "*");
86 assertTrue(map.size() >= 9);
87 checkEqual(attrs.isRegularFile(), map.get("isRegularFile")); // check one
88
89 map = Files.readAttributes(file, "basic:*");
90 assertTrue(map.size() >= 9);
91 checkEqual(attrs.lastAccessTime(), map.get("lastAccessTime")); // check one
92
93 map = Files.readAttributes(file, "size,lastModifiedTime");
94 assertTrue(map.size() == 2);
95 checkEqual(attrs.size(), map.get("size"));
96 checkEqual(attrs.lastModifiedTime(), map.get("lastModifiedTime"));
97
98 map = Files.readAttributes(file,
99 "basic:lastModifiedTime,lastAccessTime,ShouldNotExist");
100 assertTrue(map.size() == 2);
101 checkEqual(attrs.lastModifiedTime(), map.get("lastModifiedTime"));
102 checkEqual(attrs.lastAccessTime(), map.get("lastAccessTime"));
103 }
104
105 // Exercise getAttribute/setAttribute/readAttributes on posix attributes
106 static void checkPosixAttributes(Path file, PosixFileAttributes attrs)
107 throws IOException
108 {
109 checkBasicAttributes(file, attrs);
110
111 // getAttribute
112 checkEqual(attrs.permissions(), Files.getAttribute(file, "posix:permissions"));
113 checkEqual(attrs.owner(), Files.getAttribute(file, "posix:owner"));
114 checkEqual(attrs.group(), Files.getAttribute(file, "posix:group"));
115
116 // setAttribute
117 Set<PosixFilePermission> orig = attrs.permissions();
118 Set<PosixFilePermission> newPerms = new HashSet<>(orig);
119 newPerms.remove(PosixFilePermission.OTHERS_READ);
120 newPerms.remove(PosixFilePermission.OTHERS_WRITE);
121 newPerms.remove(PosixFilePermission.OTHERS_EXECUTE);
122 Files.setAttribute(file, "posix:permissions", newPerms);
123 checkEqual(Files.getPosixFilePermissions(file), newPerms);
124 Files.setAttribute(file, "posix:permissions", orig);
125 checkEqual(Files.getPosixFilePermissions(file), orig);
126 Files.setAttribute(file, "posix:owner", attrs.owner());
127 Files.setAttribute(file, "posix:group", attrs.group());
128
129 // readAttributes
130 Map<String,Object> map;
131 map = Files.readAttributes(file, "posix:*");
132 assertTrue(map.size() >= 12);
133 checkEqual(attrs.permissions(), map.get("permissions")); // check one
134
135 map = Files.readAttributes(file, "posix:size,owner,ShouldNotExist");
136 assertTrue(map.size() == 2);
137 checkEqual(attrs.size(), map.get("size"));
138 checkEqual(attrs.owner(), map.get("owner"));
139 }
140
141 // Exercise getAttribute/readAttributes on unix attributes
142 static void checkUnixAttributes(Path file) throws IOException {
143 // getAttribute
144 int mode = (Integer)Files.getAttribute(file, "unix:mode");
145 long ino = (Long)Files.getAttribute(file, "unix:ino");
146 long dev = (Long)Files.getAttribute(file, "unix:dev");
147 long rdev = (Long)Files.getAttribute(file, "unix:rdev");
148 int nlink = (Integer)Files.getAttribute(file, "unix:nlink");
149 int uid = (Integer)Files.getAttribute(file, "unix:uid");
150 int gid = (Integer)Files.getAttribute(file, "unix:gid");
151 FileTime ctime = (FileTime)Files.getAttribute(file, "unix:ctime");
152
153 // readAttributes
154 Map<String,Object> map;
155 map = Files.readAttributes(file, "unix:*");
156 assertTrue(map.size() >= 20);
157
158 map = Files.readAttributes(file, "unix:size,uid,gid,ShouldNotExist");
159 assertTrue(map.size() == 3);
160 checkEqual(map.get("size"),
161 Files.readAttributes(file, BasicFileAttributes.class).size());
162 }
163
164 // Exercise getAttribute/setAttribute on dos attributes
165 static void checkDosAttributes(Path file, DosFileAttributes attrs)
166 throws IOException
167 {
168 checkBasicAttributes(file, attrs);
169
170 // getAttribute
171 checkEqual(attrs.isReadOnly(), Files.getAttribute(file, "dos:readonly"));
172 checkEqual(attrs.isHidden(), Files.getAttribute(file, "dos:hidden"));
173 checkEqual(attrs.isSystem(), Files.getAttribute(file, "dos:system"));
174 checkEqual(attrs.isArchive(), Files.getAttribute(file, "dos:archive"));
175
176 // setAttribute
177 boolean value;
178
179 value = attrs.isReadOnly();
180 Files.setAttribute(file, "dos:readonly", !value);
181 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isReadOnly(), !value);
182 Files.setAttribute(file, "dos:readonly", value);
183 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isReadOnly(), value);
184
185 value = attrs.isHidden();
186 Files.setAttribute(file, "dos:hidden", !value);
187 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isHidden(), !value);
188 Files.setAttribute(file, "dos:hidden", value);
189 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isHidden(), value);
190
191 value = attrs.isSystem();
192 Files.setAttribute(file, "dos:system", !value);
193 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), !value);
194 Files.setAttribute(file, "dos:system", value);
195 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isSystem(), value);
196
197 value = attrs.isArchive();
198 Files.setAttribute(file, "dos:archive", !value);
199 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), !value);
200 Files.setAttribute(file, "dos:archive", value);
201 checkEqual(Files.readAttributes(file, DosFileAttributes.class).isArchive(), value);
202
203 // readAttributes
204 Map<String,Object> map;
205 map = Files.readAttributes(file, "dos:*");
206 assertTrue(map.size() >= 13);
207 checkEqual(attrs.isReadOnly(), map.get("readonly")); // check one
208
209 map = Files.readAttributes(file, "dos:size,hidden,ShouldNotExist");
210 assertTrue(map.size() == 2);
211 checkEqual(attrs.size(), map.get("size"));
212 checkEqual(attrs.isHidden(), map.get("hidden"));
213 }
214
215 static void miscTests(Path file) throws IOException {
216 // NPE tests
217 try {
218 Files.getAttribute(file, null);
219 throw new RuntimeException("NullPointerException expected");
220 } catch (NullPointerException npe) { }
221 try {
222 Files.getAttribute(file, "isRegularFile", (LinkOption[])null);
223 throw new RuntimeException("NullPointerException expected");
224 } catch (NullPointerException npe) { }
225 try {
226 Files.setAttribute(file, null, 0L);
227 throw new RuntimeException("NullPointerException expected");
228 } catch (NullPointerException npe) { }
229 }
230
231 static void doTests(Path dir) throws IOException {
232 Path file = dir.resolve("foo");
233 Files.createFile(file);
234 FileStore store = Files.getFileStore(file);
235 try {
236 checkBasicAttributes(file,
237 Files.readAttributes(file, BasicFileAttributes.class));
238
239 if (store.supportsFileAttributeView("posix"))
240 checkPosixAttributes(file,
241 Files.readAttributes(file, PosixFileAttributes.class));
242
243 if (store.supportsFileAttributeView("unix"))
244 checkUnixAttributes(file);
245
246 if (store.supportsFileAttributeView("dos"))
247 checkDosAttributes(file,
248 Files.readAttributes(file, DosFileAttributes.class));
249
250 miscTests(file);
251 } finally {
252 Files.delete(file);
253 }
254 }
255
256
257 public static void main(String[] args) throws IOException {
258 Path dir = TestUtil.createTemporaryDirectory();
259 try {
260 doTests(dir);
261 } finally {
262 TestUtil.removeAll(dir);
263 }
264 }
265 }