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/*
* Copyright (c) 2014, 2017 Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.FileTime;
import org.testng.annotations.Test;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.assertFalse;
/**
* @test
* @bug 4313887 8062949 8191872
* @library ..
* @run testng SetLastModifiedTime
* @summary Unit test for Files.setLastModifiedTime
*/
public class SetLastModifiedTime {
static Path testDir;
@BeforeClass
void createTestDirectory() throws Exception {
testDir = TestUtil.createTemporaryDirectory();
}
@AfterClass
void removeTestDirectory() throws Exception {
TestUtil.removeAll(testDir);
}
/**
* Exercise Files.setLastModifiedTime on the given file
*/
void test(Path path) throws Exception {
FileTime now = Files.getLastModifiedTime(path);
FileTime zero = FileTime.fromMillis(0L);
Path result = Files.setLastModifiedTime(path, zero);
assertTrue(result == path);
assertEquals(Files.getLastModifiedTime(path), zero);
result = Files.setLastModifiedTime(path, now);
assertTrue(result == path);
assertEquals(Files.getLastModifiedTime(path), now);
}
@Test
public void testRegularFile() throws Exception {
Path file = Files.createFile(testDir.resolve("file"));
test(file);
}
@Test
public void testDirectory() throws Exception {
Path dir = Files.createDirectory(testDir.resolve("dir"));
test(dir);
}
@Test
public void testSymbolicLink() throws Exception {
if (TestUtil.supportsLinks(testDir)) {
Path target = Files.createFile(testDir.resolve("target"));
Path link = testDir.resolve("link");
Files.createSymbolicLink(link, target);
test(link);
}
}
@Test
public void testNulls() throws Exception {
Path path = Paths.get("foo");
FileTime zero = FileTime.fromMillis(0L);
try {
Files.setLastModifiedTime(null, zero);
assertTrue(false);
} catch (NullPointerException expected) { }
try {
Files.setLastModifiedTime(path, null);
assertTrue(false);
} catch (NullPointerException expected) { }
try {
Files.setLastModifiedTime(null, null);
assertTrue(false);
} catch (NullPointerException expected) { }
}
@Test
public void testCompare() throws Exception {
Path path = Files.createFile(testDir.resolve("path"));
long timeMillis = 1512520600195L;
FileTime fileTime = FileTime.fromMillis(timeMillis);
Files.setLastModifiedTime(path, fileTime);
File file = path.toFile();
long ioTime = file.lastModified();
long nioTime = Files.getLastModifiedTime(path).toMillis();
assertTrue(ioTime == timeMillis || ioTime == 1000*(timeMillis/1000),
"File.lastModified() not in {time, 1000*(time/1000)}");
assertEquals(nioTime, ioTime,
"File.lastModified() != Files.getLastModifiedTime().toMillis()");
}
}
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