11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * @test
  28  * @bug 8054307
  29  * @summary Validates StringCoding.hasNegatives intrinsic with a small range of tests.
  30  * @library /compiler/patches

  31  * @build java.base/java.lang.Helper
  32  * @build compiler.intrinsics.string.TestHasNegatives
  33  * @run main compiler.intrinsics.string.TestHasNegatives
  34  */
  35 package compiler.intrinsics.string;
  36 
  37 import java.lang.Helper;
  38 
  39 /*
  40  * @summary Validates StringCoding.hasNegatives intrinsic with a small
  41  *          range of tests.
  42  */
  43 public class TestHasNegatives {
  44 
  45     private static byte[] tBa = new byte[4096 + 16];
  46 
  47     /**
  48      * Completely initialize the test array, preparing it for tests of the
  49      * StringCoding.hasNegatives method with a given array segment offset,
  50      * length, and number of negative bytes.
  51      */
  52     public static void initialize(int off, int len, int neg) {
  53         assert (len + off <= tBa.length);
  54         // insert "canary" (negative) values before offset
  55         for (int i = 0; i < off; ++i) {
  56             tBa[i] = (byte) (((i + 15) & 0x7F) | 0x80);
  57         }

  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * @test
  28  * @bug 8054307
  29  * @summary Validates StringCoding.hasNegatives intrinsic with a small range of tests.
  30  * @library /compiler/patches
  31  *
  32  * @build java.base/java.lang.Helper
  33  * @build compiler.intrinsics.string.TestHasNegatives
  34  * @run main compiler.intrinsics.string.TestHasNegatives
  35  */

  36 
  37 package compiler.intrinsics.string;
  38 
  39 /*
  40  * @summary Validates StringCoding.hasNegatives intrinsic with a small
  41  *          range of tests.
  42  */
  43 public class TestHasNegatives {
  44 
  45     private static byte[] tBa = new byte[4096 + 16];
  46 
  47     /**
  48      * Completely initialize the test array, preparing it for tests of the
  49      * StringCoding.hasNegatives method with a given array segment offset,
  50      * length, and number of negative bytes.
  51      */
  52     public static void initialize(int off, int len, int neg) {
  53         assert (len + off <= tBa.length);
  54         // insert "canary" (negative) values before offset
  55         for (int i = 0; i < off; ++i) {
  56             tBa[i] = (byte) (((i + 15) & 0x7F) | 0x80);
  57         }