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test/java/nio/file/Files/walkFileTree/TerminateWalk.java

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  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  * @summary Unit test for Files.walkFileTree to test TERMINATE return value
  27  * @library ../..
  28  * @compile TerminateWalk.java CreateFileTree.java
  29  * @run main TerminateWalk

  30  */
  31 
  32 import java.nio.file.*;
  33 import java.nio.file.attribute.*;
  34 import java.io.IOException;
  35 import java.util.*;
  36 
  37 public class TerminateWalk {
  38 
  39     static final Random rand = new Random();
  40     static boolean terminated;
  41 
  42     static FileVisitResult maybeTerminate() {
  43         if (terminated)
  44             throw new RuntimeException("FileVisitor invoked after termination");
  45         if (rand.nextInt(10) == 0) {
  46             terminated = true;
  47             return FileVisitResult.TERMINATE;
  48         } else {
  49             return FileVisitResult.CONTINUE;




  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  * @summary Unit test for Files.walkFileTree to test TERMINATE return value
  27  * @library ../..
  28  * @compile TerminateWalk.java CreateFileTree.java
  29  * @run main TerminateWalk
  30  * @key randomness
  31  */
  32 
  33 import java.nio.file.*;
  34 import java.nio.file.attribute.*;
  35 import java.io.IOException;
  36 import java.util.*;
  37 
  38 public class TerminateWalk {
  39 
  40     static final Random rand = new Random();
  41     static boolean terminated;
  42 
  43     static FileVisitResult maybeTerminate() {
  44         if (terminated)
  45             throw new RuntimeException("FileVisitor invoked after termination");
  46         if (rand.nextInt(10) == 0) {
  47             terminated = true;
  48             return FileVisitResult.TERMINATE;
  49         } else {
  50             return FileVisitResult.CONTINUE;


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