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 /*
  25  * @test
  26  * @bug 6410729 6586631
  27  * @summary Test previousClearBit, previousSetBit

  28  */
  29 
  30 import java.util.*;
  31 
  32 public class PreviousBits {
  33 
  34     void testHashCode(final BitSet s) {
  35         long h = 1234;
  36         long[] words = s.toLongArray();
  37         for (int i = words.length; --i >= 0; )
  38             h ^= words[i] * (i + 1);
  39         equal((int)((h >> 32) ^ h), s.hashCode());
  40     }
  41 
  42     void testOutOfBounds(final BitSet s) {
  43         THROWS(IndexOutOfBoundsException.class,
  44                new F(){void f(){ s.previousSetBit(-2);}},
  45                new F(){void f(){ s.previousClearBit(-2);}},
  46                new F(){void f(){ s.previousSetBit(Integer.MIN_VALUE);}},
  47                new F(){void f(){ s.previousClearBit(Integer.MIN_VALUE);}},

   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 /*
  25  * @test
  26  * @bug 6410729 6586631
  27  * @summary Test previousClearBit, previousSetBit
  28  * @key randomness
  29  */
  30 
  31 import java.util.*;
  32 
  33 public class PreviousBits {
  34 
  35     void testHashCode(final BitSet s) {
  36         long h = 1234;
  37         long[] words = s.toLongArray();
  38         for (int i = words.length; --i >= 0; )
  39             h ^= words[i] * (i + 1);
  40         equal((int)((h >> 32) ^ h), s.hashCode());
  41     }
  42 
  43     void testOutOfBounds(final BitSet s) {
  44         THROWS(IndexOutOfBoundsException.class,
  45                new F(){void f(){ s.previousSetBit(-2);}},
  46                new F(){void f(){ s.previousClearBit(-2);}},
  47                new F(){void f(){ s.previousSetBit(Integer.MIN_VALUE);}},
  48                new F(){void f(){ s.previousClearBit(Integer.MIN_VALUE);}},