125 lines
4.6 KiB
Java
125 lines
4.6 KiB
Java
/*
|
|
* Copyright (c) 1998, 2019, 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.
|
|
*/
|
|
|
|
/* @test
|
|
@bug 4091757 6652379 8177809
|
|
@requires os.maxMemory >= 16G
|
|
@summary Basic test for setLastModified method
|
|
*/
|
|
|
|
import java.io.*;
|
|
import java.nio.ByteBuffer;
|
|
import java.nio.channels.FileChannel;
|
|
|
|
|
|
public class SetLastModified {
|
|
|
|
private static void ck(File f, long nt, long rt) throws Exception {
|
|
if (rt == nt) return;
|
|
if ((rt / 10 == nt / 10)
|
|
|| (rt / 100 == nt / 100)
|
|
|| (rt / 1000 == nt / 1000)
|
|
|| (rt / 10000 == (nt / 10000))) {
|
|
System.err.println(f + ": Time set to " + nt
|
|
+ ", rounded down by filesystem to " + rt);
|
|
return;
|
|
}
|
|
if ((rt / 10 == (nt + 5) / 10)
|
|
|| (rt / 100 == (nt + 50) / 100)
|
|
|| (rt / 1000 == (nt + 500) / 1000)
|
|
|| (rt / 10000 == ((nt + 5000) / 10000))) {
|
|
System.err.println(f + ": Time set to " + nt
|
|
+ ", rounded up by filesystem to " + rt);
|
|
return;
|
|
}
|
|
throw new Exception(f + ": Time set to " + nt
|
|
+ ", then read as " + rt);
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
File d = new File(System.getProperty("test.dir", "."));
|
|
File d2 = new File(d, "x.SetLastModified.dir");
|
|
File f = new File(d2, "x.SetLastModified");
|
|
long ot, t;
|
|
|
|
/* New time: One week ago */
|
|
long nt = System.currentTimeMillis() - 1000 * 60 * 60 * 24 * 7;
|
|
|
|
if (f.exists()) f.delete();
|
|
if (d2.exists()) d2.delete();
|
|
if (!d2.mkdir()) {
|
|
throw new Exception("Can't create test directory " + d2);
|
|
}
|
|
|
|
boolean threw = false;
|
|
try {
|
|
d2.setLastModified(-nt);
|
|
} catch (IllegalArgumentException x) {
|
|
threw = true;
|
|
}
|
|
if (!threw)
|
|
throw new Exception("setLastModified succeeded with a negative time");
|
|
|
|
ot = d2.lastModified();
|
|
if (ot != 0) {
|
|
if (d2.setLastModified(nt)) {
|
|
ck(d2, nt, d2.lastModified());
|
|
d2.setLastModified(ot);
|
|
} else {
|
|
System.err.println("Warning: setLastModified on directories "
|
|
+ "not supported");
|
|
}
|
|
}
|
|
|
|
if (f.exists()) {
|
|
if (!f.delete())
|
|
throw new Exception("Can't delete test file " + f);
|
|
}
|
|
if (f.setLastModified(nt))
|
|
throw new Exception("Succeeded on non-existent file: " + f);
|
|
|
|
// set/check last modified on files of size 1, 1GB+1, 2GB+1, ..
|
|
// On Windows we only test with a tiny file as that platform doesn't
|
|
// support sparse files by default and so the test takes too long.
|
|
final long G = 1024L * 1024L * 1024L;
|
|
final long MAX_POSITION =
|
|
System.getProperty("os.name").startsWith("Windows") ? 0L : 3L*G;
|
|
long pos = 0L;
|
|
while (pos <= MAX_POSITION) {
|
|
try (FileChannel fc = new FileOutputStream(f).getChannel()) {
|
|
fc.position(pos).write(ByteBuffer.wrap("x".getBytes()));
|
|
}
|
|
ot = f.lastModified();
|
|
System.out.format("check with file size: %d\n", f.length());
|
|
if (!f.setLastModified(nt))
|
|
throw new Exception("setLastModified failed on file: " + f);
|
|
ck(f, nt, f.lastModified());
|
|
pos += G;
|
|
}
|
|
|
|
if (!f.delete()) throw new Exception("Can't delete test file " + f);
|
|
if (!d2.delete()) throw new Exception("Can't delete test directory " + d2);
|
|
}
|
|
|
|
}
|