54 lines
1.9 KiB
Java
54 lines
1.9 KiB
Java
/*
|
|
* Copyright (c) 2021, 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
|
|
* @summary Verifies that a VMObjectAlloc event is generated for object created using MethodHandle
|
|
* @requires vm.jvmti
|
|
* @run main/othervm/native -agentlib:VMObjectAlloc VMObjectAllocTest
|
|
*/
|
|
|
|
import java.lang.invoke.MethodHandle;
|
|
import java.lang.invoke.MethodHandles;
|
|
import java.lang.invoke.MethodType;
|
|
|
|
public class VMObjectAllocTest {
|
|
|
|
private static native int getNumberOfAllocation();
|
|
|
|
public VMObjectAllocTest(String str) {
|
|
}
|
|
|
|
public static void main(String[] args) throws Throwable {
|
|
|
|
MethodHandles.Lookup publicLookup = MethodHandles.publicLookup();
|
|
MethodType mt = MethodType.methodType(void.class, String.class);
|
|
MethodHandle mh = publicLookup.findConstructor(VMObjectAllocTest.class, mt);
|
|
mh.invoke("str");
|
|
|
|
if (getNumberOfAllocation() != 1) {
|
|
throw new Exception("Number of allocation != 1");
|
|
}
|
|
}
|
|
}
|