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test/jdk/java/foreign/TestFree.java
45 строк
2 KB
Goetz Lindenmaier
8310643: Misformatted copyright messages in FFM
12 май 2025, 17:17
12 май 2025, 17:17
d4f2f3a
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/* * 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. * * 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 * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @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); } }