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 /**
  25  * @test
  26  * @bug 4369826
  27  * @summary Process with lots of output should not crash VM
  28  * @author kladko

  29  */
  30 
  31 import java.io.File;
  32 
  33 public class LotsOfOutput {
  34     static final String CAT = "/usr/bin/cat";
  35 
  36     public static void main(String[] args) throws Exception{
  37         if (File.separatorChar == '\\' ||                // Windows
  38                                 !new File(CAT).exists()) // no cat
  39             return;
  40         Process p = Runtime.getRuntime().exec(CAT + " /dev/zero");

  41         long initMemory = Runtime.getRuntime().totalMemory();
  42         for (int i=1; i< 10; i++) {
  43             Thread.sleep(100);
  44             if (Runtime.getRuntime().totalMemory() > initMemory + 1000000)
  45                 throw new Exception("Process consumes memory.");
  46         }
  47 
  48     }
  49 }

   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 /**
  25  * @test
  26  * @bug 4369826
  27  * @summary Process with lots of output should not crash VM
  28  * @author kladko
  29  * @run main/othervm LotsOfOutput
  30  */
  31 


  32 public class LotsOfOutput {

  33 
  34     public static void main(String[] args) throws Exception {
  35         if (System.getProperty("os.name").startsWith("Windows")) {
  36             System.err.println("Not for Windows");
  37             return;
  38         }
  39         Process p = Runtime.getRuntime().exec(UnixCommands.cat() + " /dev/zero");
  40         long initMemory = Runtime.getRuntime().totalMemory();
  41         for (int i=1; i< 10; i++) {
  42             Thread.sleep(100);
  43             if (Runtime.getRuntime().totalMemory() > initMemory + 1000000)
  44                 throw new Exception("Process consumes memory.");
  45         }
  46 
  47     }
  48 }