83 lines
2.5 KiB
Java
83 lines
2.5 KiB
Java
/*
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* Copyright (c) 2016, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8067247
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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*
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* @run main/bootclasspath/othervm -Xcomp -Xbatch
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
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* -XX:CompileCommand=compileonly,compiler.jsr292.InvokerGC::test
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* compiler.jsr292.InvokerGC
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*/
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package compiler.jsr292;
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import jdk.test.whitebox.WhiteBox;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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public class InvokerGC {
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static final WhiteBox WB = WhiteBox.getWhiteBox();
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static MethodHandle mh;
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static {
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try {
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mh = MethodHandles.lookup().findStatic(InvokerGC.class, "dummy", MethodType.methodType(void.class));
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} catch (Exception e) {
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throw new Error(e);
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}
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}
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static void dummy() {}
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static void test() {
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try {
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mh.invoke();
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} catch (Throwable e) {
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throw new Error(e);
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}
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}
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public static void main(String[] args) throws Throwable {
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mh.invoke(); // Pre-generate an invoker for ()V signature
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test(); // trigger method compilation
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test();
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WB.fullGC(); // WB.fullGC has always clear softref policy.
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test();
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WB.clearInlineCaches(true); // Preserve static stubs.
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test(); // Trigger call site re-resolution. Invoker LambdaForm should stay the same.
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System.out.println("TEST PASSED");
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}
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}
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