32ac72c3d3
Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org> Co-authored-by: Jorn Vernee <jvernee@openjdk.org> Co-authored-by: Per Minborg <pminborg@openjdk.org> Reviewed-by: dholmes, psandoz, mcimadamore, alanb
70 lines
2.6 KiB
Java
70 lines
2.6 KiB
Java
/*
|
|
* Copyright (c) 2021, 2023, 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
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @compile lookup/Lookup.java
|
|
* @compile invoker/Invoker.java
|
|
* @run main/othervm --enable-native-access=ALL-UNNAMED TestLoaderLookup
|
|
*/
|
|
|
|
import java.lang.foreign.*;
|
|
import java.lang.reflect.*;
|
|
import java.net.MalformedURLException;
|
|
import java.net.URL;
|
|
import java.net.URLClassLoader;
|
|
import java.nio.file.Paths;
|
|
|
|
public class TestLoaderLookup {
|
|
public static void main(String[] args) throws ReflectiveOperationException {
|
|
ClassLoader loader1 = newClassLoader("lookup");
|
|
Class<?> lookup = loader1.loadClass("lookup.Lookup");
|
|
Method fooSymbol = lookup.getDeclaredMethod("fooSymbol");
|
|
MemorySegment foo = (MemorySegment) fooSymbol.invoke(null);
|
|
|
|
ClassLoader loader2 = newClassLoader("invoker");
|
|
Class<?> invoker = loader2.loadClass("invoker.Invoker");
|
|
Method invoke = invoker.getDeclaredMethod("invoke", MemorySegment.class);
|
|
invoke.invoke(null, foo);
|
|
|
|
loader1 = null;
|
|
lookup = null;
|
|
fooSymbol = null;
|
|
// Make sure that the loader is kept reachable
|
|
for (int i = 0 ; i < 1000 ; i++) {
|
|
invoke.invoke(null, foo); // might crash if loader1 is GC'ed
|
|
System.gc();
|
|
}
|
|
}
|
|
|
|
public static ClassLoader newClassLoader(String path) {
|
|
try {
|
|
return new URLClassLoader(new URL[] {
|
|
Paths.get(System.getProperty("test.classes", path)).toUri().toURL(),
|
|
}, null);
|
|
} catch (MalformedURLException e){
|
|
throw new RuntimeException("Unexpected URL conversion failure", e);
|
|
}
|
|
}
|
|
}
|