7 * published by the Free Software Foundation.
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 /*
26 * @test
27 * @enablePreview
28 * @run testng TestSegmentCopy
29 */
30
31 import java.lang.foreign.Arena;
32 import java.lang.foreign.MemorySegment;
33 import java.lang.foreign.ValueLayout;
34 import java.lang.invoke.MethodHandles;
35 import java.lang.invoke.VarHandle;
36 import java.nio.ByteOrder;
37 import java.util.ArrayList;
38 import java.util.Arrays;
39 import java.util.List;
40 import java.util.function.IntFunction;
41
42 import org.testng.SkipException;
43 import org.testng.annotations.DataProvider;
44 import org.testng.annotations.Test;
45
46 import static java.lang.foreign.ValueLayout.JAVA_BYTE;
47 import static org.testng.Assert.*;
154 FLOAT_BE(float.class, ValueLayout.JAVA_FLOAT_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN), i -> (float)i),
155 LONG_BE(long.class, ValueLayout.JAVA_LONG_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN), i -> (long)i),
156 DOUBLE_BE(double.class, ValueLayout.JAVA_DOUBLE_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN), i -> (double)i);
157
158 final ValueLayout layout;
159 final IntFunction<Object> valueConverter;
160 final Class<?> carrier;
161
162 @SuppressWarnings("unchecked")
163 <Z> Type(Class<Z> carrier, ValueLayout layout, IntFunction<Z> valueConverter) {
164 this.carrier = carrier;
165 this.layout = layout;
166 this.valueConverter = (IntFunction<Object>)valueConverter;
167 }
168
169 long size() {
170 return layout.byteSize();
171 }
172
173 VarHandle handle() {
174 return MethodHandles.memorySegmentViewVarHandle(layout);
175 }
176
177 void set(MemorySegment segment, long offset, int index, int val) {
178 handle().set(segment, offset + (index * size()), valueConverter.apply(val));
179 }
180
181 void check(MemorySegment segment, long offset, int index, int val) {
182 assertEquals(handle().get(segment, offset + (index * size())), valueConverter.apply(val));
183 }
184 }
185
186 enum SegmentKind {
187 NATIVE(i -> Arena.ofAuto().allocate(i, 1)),
188 ARRAY(i -> MemorySegment.ofArray(new byte[i]));
189
190 final IntFunction<MemorySegment> segmentFactory;
191
192 SegmentKind(IntFunction<MemorySegment> segmentFactory) {
193 this.segmentFactory = segmentFactory;
194 }
|
7 * published by the Free Software Foundation.
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 /*
26 * @test
27 * @run testng TestSegmentCopy
28 */
29
30 import java.lang.foreign.Arena;
31 import java.lang.foreign.MemorySegment;
32 import java.lang.foreign.ValueLayout;
33 import java.lang.invoke.MethodHandles;
34 import java.lang.invoke.VarHandle;
35 import java.nio.ByteOrder;
36 import java.util.ArrayList;
37 import java.util.Arrays;
38 import java.util.List;
39 import java.util.function.IntFunction;
40
41 import org.testng.SkipException;
42 import org.testng.annotations.DataProvider;
43 import org.testng.annotations.Test;
44
45 import static java.lang.foreign.ValueLayout.JAVA_BYTE;
46 import static org.testng.Assert.*;
153 FLOAT_BE(float.class, ValueLayout.JAVA_FLOAT_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN), i -> (float)i),
154 LONG_BE(long.class, ValueLayout.JAVA_LONG_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN), i -> (long)i),
155 DOUBLE_BE(double.class, ValueLayout.JAVA_DOUBLE_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN), i -> (double)i);
156
157 final ValueLayout layout;
158 final IntFunction<Object> valueConverter;
159 final Class<?> carrier;
160
161 @SuppressWarnings("unchecked")
162 <Z> Type(Class<Z> carrier, ValueLayout layout, IntFunction<Z> valueConverter) {
163 this.carrier = carrier;
164 this.layout = layout;
165 this.valueConverter = (IntFunction<Object>)valueConverter;
166 }
167
168 long size() {
169 return layout.byteSize();
170 }
171
172 VarHandle handle() {
173 return layout.varHandle();
174 }
175
176 void set(MemorySegment segment, long offset, int index, int val) {
177 handle().set(segment, offset + (index * size()), valueConverter.apply(val));
178 }
179
180 void check(MemorySegment segment, long offset, int index, int val) {
181 assertEquals(handle().get(segment, offset + (index * size())), valueConverter.apply(val));
182 }
183 }
184
185 enum SegmentKind {
186 NATIVE(i -> Arena.ofAuto().allocate(i, 1)),
187 ARRAY(i -> MemorySegment.ofArray(new byte[i]));
188
189 final IntFunction<MemorySegment> segmentFactory;
190
191 SegmentKind(IntFunction<MemorySegment> segmentFactory) {
192 this.segmentFactory = segmentFactory;
193 }
|