8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /* @test
25 * @bug 4625907
26 * @summary Testing force()
27 * @run main/othervm Force
28 */
29
30 import java.io.*;
31 import java.nio.*;
32 import java.util.*;
33 import java.nio.channels.*;
34
35 public class Force {
36 public static void main(String[] args) throws Exception {
37 Random random = new Random();
38 long filesize = random.nextInt(3*1024*1024);
39 int cut = random.nextInt((int)filesize);
40 File file = File.createTempFile("Blah", null);
41 file.deleteOnExit();
42 try (RandomAccessFile raf = new RandomAccessFile(file, "rw")) {
43 raf.setLength(filesize);
44 FileChannel fc = raf.getChannel();
45 MappedByteBuffer mbb = fc.map(FileChannel.MapMode.READ_WRITE, cut, filesize-cut);
46 mbb.force();
47 }
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /* @test
25 * @bug 4625907
26 * @summary Testing force()
27 * @run main/othervm Force
28 * @key randomness
29 */
30
31 import java.io.*;
32 import java.nio.*;
33 import java.util.*;
34 import java.nio.channels.*;
35
36 public class Force {
37 public static void main(String[] args) throws Exception {
38 Random random = new Random();
39 long filesize = random.nextInt(3*1024*1024);
40 int cut = random.nextInt((int)filesize);
41 File file = File.createTempFile("Blah", null);
42 file.deleteOnExit();
43 try (RandomAccessFile raf = new RandomAccessFile(file, "rw")) {
44 raf.setLength(filesize);
45 FileChannel fc = raf.getChannel();
46 MappedByteBuffer mbb = fc.map(FileChannel.MapMode.READ_WRITE, cut, filesize-cut);
47 mbb.force();
48 }
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