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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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).
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23 
24 import java.io.File;
25 import java.nio.file.Files;
26 import java.nio.file.Path;
27 import java.nio.file.Paths;
28 import java.nio.file.attribute.FileTime;
29 
30 import org.testng.annotations.Test;
31 import org.testng.annotations.AfterClass;
32 import org.testng.annotations.BeforeClass;
33 
34 import static org.testng.Assert.assertEquals;
35 import static org.testng.Assert.assertTrue;
36 import static org.testng.Assert.assertFalse;
37 
38 /**
39  * @test
40  * @bug 4313887 8062949 8191872
41  * @library ..
42  * @run testng SetLastModifiedTime
43  * @summary Unit test for Files.setLastModifiedTime
44  */
45 
46 public class SetLastModifiedTime {
47 
48     static Path testDir;
49 
50     @BeforeClass
createTestDirectory()51     void createTestDirectory() throws Exception {
52         testDir = TestUtil.createTemporaryDirectory();
53     }
54 
55     @AfterClass
removeTestDirectory()56     void removeTestDirectory() throws Exception {
57         TestUtil.removeAll(testDir);
58     }
59 
60     /**
61      * Exercise Files.setLastModifiedTime on the given file
62      */
test(Path path)63     void test(Path path) throws Exception {
64         FileTime now = Files.getLastModifiedTime(path);
65         FileTime zero = FileTime.fromMillis(0L);
66 
67         Path result = Files.setLastModifiedTime(path, zero);
68         assertTrue(result == path);
69         assertEquals(Files.getLastModifiedTime(path), zero);
70 
71         result = Files.setLastModifiedTime(path, now);
72         assertTrue(result == path);
73         assertEquals(Files.getLastModifiedTime(path), now);
74     }
75 
76     @Test
testRegularFile()77     public void testRegularFile() throws Exception {
78         Path file = Files.createFile(testDir.resolve("file"));
79         test(file);
80     }
81 
82     @Test
testDirectory()83     public void testDirectory() throws Exception {
84         Path dir = Files.createDirectory(testDir.resolve("dir"));
85         test(dir);
86     }
87 
88     @Test
testSymbolicLink()89     public void testSymbolicLink() throws Exception {
90         if (TestUtil.supportsLinks(testDir)) {
91             Path target = Files.createFile(testDir.resolve("target"));
92             Path link = testDir.resolve("link");
93             Files.createSymbolicLink(link, target);
94             test(link);
95         }
96     }
97 
98     @Test
testNulls()99     public void testNulls() throws Exception {
100         Path path = Paths.get("foo");
101         FileTime zero = FileTime.fromMillis(0L);
102 
103         try {
104             Files.setLastModifiedTime(null, zero);
105             assertTrue(false);
106         } catch (NullPointerException expected) { }
107 
108         try {
109             Files.setLastModifiedTime(path, null);
110             assertTrue(false);
111         } catch (NullPointerException expected) { }
112 
113         try {
114             Files.setLastModifiedTime(null, null);
115             assertTrue(false);
116         } catch (NullPointerException expected) { }
117     }
118 
119     @Test
testCompare()120     public void testCompare() throws Exception {
121         Path path = Files.createFile(testDir.resolve("path"));
122         long timeMillis = 1512520600195L;
123         FileTime fileTime = FileTime.fromMillis(timeMillis);
124         Files.setLastModifiedTime(path, fileTime);
125         File file = path.toFile();
126         long ioTime = file.lastModified();
127         long nioTime = Files.getLastModifiedTime(path).toMillis();
128         assertTrue(ioTime == timeMillis || ioTime == 1000*(timeMillis/1000),
129             "File.lastModified() not in {time, 1000*(time/1000)}");
130         assertEquals(nioTime, ioTime,
131             "File.lastModified() != Files.getLastModifiedTime().toMillis()");
132     }
133 }
134 
135