| /* |
| * Copyright (c) 1998, 2008, 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 |
| @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) { |
| FileChannel fc = new FileOutputStream(f).getChannel(); |
| fc.position(pos).write(ByteBuffer.wrap("x".getBytes())); |
| fc.close(); |
| 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); |
| } |
| |
| } |