jdk-24/test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/test-classes/LambdaProxyCallerIsHiddenApp.java
Calvin Cheung 847a3baca8 8198698: Support Lambda proxy classes in dynamic CDS archive
Added archving of hidden classes of type lambda proxy classes.

Co-authored-by: Ioi Lam <ioi.lam@oracle.com>
Reviewed-by: mchung, iklam, dholmes
2020-06-10 15:50:26 +00:00

54 lines
2.1 KiB
Java

/*
* Copyright (c) 2020, 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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*/
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodHandles.Lookup;
import static java.lang.invoke.MethodHandles.Lookup.ClassOption.*;
import jdk.test.lib.compiler.InMemoryJavaCompiler;
import jdk.internal.misc.Unsafe;
public class LambdaProxyCallerIsHiddenApp {
static byte klassbuf[] = InMemoryJavaCompiler.compile("LambdaHello",
"public class LambdaHello { " +
" static Runnable run; " +
" static { " +
" run = LambdaHello::myrun; " +
" } " +
" static void myrun() { " +
" System.out.println(\"Hello\"); " +
" } " +
"} ");
public static void main(String args[]) throws Exception {
Lookup lookup = MethodHandles.lookup();
System.out.println("lookup: " + lookup);
Class<?> hiddenClass = lookup.defineHiddenClass(klassbuf, true, NESTMATE, STRONG).lookupClass();
System.out.println("hiddenClass: " + hiddenClass);
Object o = hiddenClass.newInstance();
System.out.println("o: " + o);
}
}