view test/compiler/6990212/Test6990212.java @ 6611:7383557659bd

7185699: G1: Prediction model discrepancies Summary: Correct the result value of G1CollectedHeap::pending_card_num(). Change the code that calculates the GC efficiency of a non-young heap region to use historical data from mixed GCs and the actual number of live bytes when predicting how long it would take to collect the region. Changes were also reviewed by Thomas Schatzl. Reviewed-by: azeemj, brutisso
author johnc
date Tue, 21 Aug 2012 14:10:39 -0700
parents 341a57af9b0a
children
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/*
 * Copyright (c) 2011, 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
 * @bug 6990212
 * @summary JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
 *
 * @run main Test6990212
 */

import java.lang.invoke.*;

interface intf {
    public Object target();
}

public class Test6990212 implements intf {
    public Object target() {
        return null;
    }

    public static void main(String[] args) throws Throwable {
        // Build an interface invoke and then invoke it on something
        // that doesn't implement the interface to test the
        // raiseException path.
        MethodHandle target = MethodHandles.lookup().findVirtual(intf.class, "target",  MethodType.methodType(Object.class));
        try {
            target.invoke(new Object());
        } catch (ClassCastException cce) {
            // everything is ok
            System.out.println("got expected ClassCastException");
        }
    }
}