/*
* Copyright ( c ) 2020 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
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*
*/
/*
* @ test
* @ enablePreview
* @ bug 8248421
* @ summary SystemCLinker should have a way to free memory allocated outside Java
* @ run testng / othervm - - enable - native - access = ALL - UNNAMED TestFree
*/
import java.lang.foreign.MemorySegment;
import static org.testng.Assert .assertEquals;
public class TestFree extends NativeTestHelper {
public void test() throws Throwable {
String str = "hello world" ;
MemorySegment addr = allocateMemory(str.length() + 1 );
addr.copyFrom(MemorySegment.ofArray(str.getBytes()));
addr.set(C_CHAR, str.length(), (byte )0 );
assertEquals(str, addr.getUtf8String(0 ));
freeMemory(addr);
}
}
Messung V0.5 in Prozent C=94 H=89 G=91
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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