| /* |
| * Copyright (c) 2008, 2011, 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 4313887 6993267 |
| * @summary Unit test for Sun-specific ExtendedCopyOption.INTERRUPTIBLE option |
| * @library .. |
| */ |
| |
| import java.nio.file.*; |
| import java.io.*; |
| import java.util.concurrent.*; |
| import com.sun.nio.file.ExtendedCopyOption; |
| |
| public class InterruptCopy { |
| |
| private static final long FILE_SIZE_TO_COPY = 512L * 1024L * 1024L; |
| private static final int DELAY_IN_MS = 500; |
| private static final int DURATION_MAX_IN_MS = 5000; |
| |
| public static void main(String[] args) throws Exception { |
| Path dir = TestUtil.createTemporaryDirectory(); |
| try { |
| FileStore store = Files.getFileStore(dir); |
| System.out.format("Checking space (%s)\n", store); |
| long usableSpace = store.getUsableSpace(); |
| if (usableSpace < 2*FILE_SIZE_TO_COPY) { |
| System.out.println("Insufficient disk space to run test."); |
| return; |
| } |
| doTest(dir); |
| } finally { |
| TestUtil.removeAll(dir); |
| } |
| } |
| |
| static void doTest(Path dir) throws Exception { |
| final Path source = dir.resolve("foo"); |
| final Path target = dir.resolve("bar"); |
| |
| // create source file (don't create it as sparse file because we |
| // require the copy to take a long time) |
| System.out.println("Creating source file..."); |
| byte[] buf = new byte[32*1024]; |
| long total = 0; |
| try (OutputStream out = Files.newOutputStream(source)) { |
| do { |
| out.write(buf); |
| total += buf.length; |
| } while (total < FILE_SIZE_TO_COPY); |
| } |
| System.out.println("Source file created."); |
| |
| ScheduledExecutorService pool = |
| Executors.newSingleThreadScheduledExecutor(); |
| try { |
| // copy source to target in main thread, interrupting it after a delay |
| final Thread me = Thread.currentThread(); |
| Future<?> wakeup = pool.schedule(new Runnable() { |
| public void run() { |
| me.interrupt(); |
| }}, DELAY_IN_MS, TimeUnit.MILLISECONDS); |
| System.out.println("Copying file..."); |
| try { |
| long start = System.currentTimeMillis(); |
| Files.copy(source, target, ExtendedCopyOption.INTERRUPTIBLE); |
| long duration = System.currentTimeMillis() - start; |
| if (duration > DURATION_MAX_IN_MS) |
| throw new RuntimeException("Copy was not interrupted"); |
| } catch (IOException e) { |
| boolean interrupted = Thread.interrupted(); |
| if (!interrupted) |
| throw new RuntimeException("Interrupt status was not set"); |
| System.out.println("Copy failed (this is expected)"); |
| } |
| try { |
| wakeup.get(); |
| } catch (InterruptedException ignore) { } |
| Thread.interrupted(); |
| |
| // copy source to target via task in thread pool, interrupting it after |
| // a delay using cancel(true) |
| Future<Void> result = pool.submit(new Callable<Void>() { |
| public Void call() throws IOException { |
| System.out.println("Copying file..."); |
| Files.copy(source, target, ExtendedCopyOption.INTERRUPTIBLE, |
| StandardCopyOption.REPLACE_EXISTING); |
| return null; |
| } |
| }); |
| Thread.sleep(DELAY_IN_MS); |
| boolean cancelled = result.cancel(true); |
| if (!cancelled) |
| result.get(); |
| System.out.println("Copy cancelled."); |
| } finally { |
| pool.shutdown(); |
| } |
| } |
| } |