0N/A/*
3909N/A * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A/* @test
358N/A @bug 4091757 6652379
0N/A @summary Basic test for setLastModified method
0N/A */
0N/A
0N/Aimport java.io.*;
358N/Aimport java.nio.ByteBuffer;
358N/Aimport java.nio.channels.FileChannel;
0N/A
0N/A
0N/Apublic class SetLastModified {
0N/A
0N/A private static void ck(File f, long nt, long rt) throws Exception {
0N/A if (rt == nt) return;
0N/A if ((rt / 10 == nt / 10)
0N/A || (rt / 100 == nt / 100)
0N/A || (rt / 1000 == nt / 1000)
0N/A || (rt / 10000 == (nt / 10000))) {
0N/A System.err.println(f + ": Time set to " + nt
0N/A + ", rounded down by filesystem to " + rt);
0N/A return;
0N/A }
0N/A if ((rt / 10 == (nt + 5) / 10)
0N/A || (rt / 100 == (nt + 50) / 100)
0N/A || (rt / 1000 == (nt + 500) / 1000)
0N/A || (rt / 10000 == ((nt + 5000) / 10000))) {
0N/A System.err.println(f + ": Time set to " + nt
0N/A + ", rounded up by filesystem to " + rt);
0N/A return;
0N/A }
0N/A throw new Exception(f + ": Time set to " + nt
0N/A + ", then read as " + rt);
0N/A }
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A File d = new File(System.getProperty("test.dir", "."));
0N/A File d2 = new File(d, "x.SetLastModified.dir");
0N/A File f = new File(d2, "x.SetLastModified");
0N/A long ot, t;
0N/A
0N/A /* New time: One week ago */
0N/A long nt = System.currentTimeMillis() - 1000 * 60 * 60 * 24 * 7;
0N/A
0N/A if (f.exists()) f.delete();
0N/A if (d2.exists()) d2.delete();
0N/A if (!d2.mkdir()) {
0N/A throw new Exception("Can't create test directory " + d2);
0N/A }
0N/A
0N/A boolean threw = false;
0N/A try {
0N/A d2.setLastModified(-nt);
0N/A } catch (IllegalArgumentException x) {
0N/A threw = true;
0N/A }
0N/A if (!threw)
0N/A throw new Exception("setLastModified succeeded with a negative time");
0N/A
0N/A ot = d2.lastModified();
0N/A if (ot != 0) {
0N/A if (d2.setLastModified(nt)) {
0N/A ck(d2, nt, d2.lastModified());
0N/A d2.setLastModified(ot);
0N/A } else {
0N/A System.err.println("Warning: setLastModified on directories "
0N/A + "not supported");
0N/A }
0N/A }
0N/A
0N/A if (f.exists()) {
0N/A if (!f.delete())
0N/A throw new Exception("Can't delete test file " + f);
0N/A }
0N/A if (f.setLastModified(nt))
0N/A throw new Exception("Succeeded on non-existent file: " + f);
0N/A
358N/A // set/check last modified on files of size 1, 1GB+1, 2GB+1, ..
358N/A // On Windows we only test with a tiny file as that platform doesn't
358N/A // support sparse files by default and so the test takes too long.
358N/A final long G = 1024L * 1024L * 1024L;
358N/A final long MAX_POSITION =
358N/A System.getProperty("os.name").startsWith("Windows") ? 0L : 3L*G;
358N/A long pos = 0L;
358N/A while (pos <= MAX_POSITION) {
3662N/A try (FileChannel fc = new FileOutputStream(f).getChannel()) {
3662N/A fc.position(pos).write(ByteBuffer.wrap("x".getBytes()));
3662N/A }
358N/A ot = f.lastModified();
358N/A System.out.format("check with file size: %d\n", f.length());
358N/A if (!f.setLastModified(nt))
358N/A throw new Exception("setLastModified failed on file: " + f);
358N/A ck(f, nt, f.lastModified());
358N/A pos += G;
358N/A }
0N/A
0N/A if (!f.delete()) throw new Exception("Can't delete test file " + f);
0N/A if (!d2.delete()) throw new Exception("Can't delete test directory " + d2);
0N/A }
0N/A
0N/A}