6  * under the terms of the GNU General Public License version 2 only, as
 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  * @test
26  * @enablePreview
27  * @bug 8248421
28  * @summary SystemCLinker should have a way to free memory allocated outside Java
29  * @run testng/othervm --enable-native-access=ALL-UNNAMED TestFree
30  */
31 
32 import java.lang.foreign.MemorySegment;
33 
34 import static org.testng.Assert.assertEquals;
35 
36 public class TestFree extends NativeTestHelper {
37     public void test() throws Throwable {
38         String str = "hello world";
39         MemorySegment addr = allocateMemory(str.length() + 1);
40         addr.copyFrom(MemorySegment.ofArray(str.getBytes()));
41         addr.set(C_CHAR, str.length(), (byte)0);
42         assertEquals(str, addr.getUtf8String(0));
43         freeMemory(addr);
44     }
45 }

 6  * under the terms of the GNU General Public License version 2 only, as
 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  * @test

26  * @bug 8248421
27  * @summary SystemCLinker should have a way to free memory allocated outside Java
28  * @run testng/othervm --enable-native-access=ALL-UNNAMED TestFree
29  */
30 
31 import java.lang.foreign.MemorySegment;
32 
33 import static org.testng.Assert.assertEquals;
34 
35 public class TestFree extends NativeTestHelper {
36     public void test() throws Throwable {
37         String str = "hello world";
38         MemorySegment addr = allocateMemory(str.length() + 1);
39         addr.copyFrom(MemorySegment.ofArray(str.getBytes()));
40         addr.set(C_CHAR, str.length(), (byte)0);
41         assertEquals(str, addr.getString(0));
42         freeMemory(addr);
43     }
44 }