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 }
58 // fill the array segment
|
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 }
58 // fill the array segment
|