/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.cache;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.geode.test.junit.categories.UnitTest;
/**
* Test case for Trac <a href="https://svn.gemstone.com/trac/gemfire/ticket/52289">#52289</a>.
*
* Asserts fixes for bug JDK-8076152 in JDK 1.8.0u20 to 1.8.0.u45.
* http://bugs.java.com/bugdatabase/view_bug.do?bug_id=8076152
*
* The JVM crashes when hotspot compiling a method that uses an array consisting of objects of a
* base class when different child classes is used as actual instance objects AND when the array is
* constant (declared final). The crash occurs during process of the aaload byte code.
*
* This test and its corrections can be removed after the release of JDK 1.8.0u60 if we choose to
* not support 1.8.0u20 - 1.8.0u45 inclusive.
*
* @since GemFire 8.2
*/
@Category(UnitTest.class)
public class FinalStaticArrayShouldNotCauseSegFaultTest {
@Test
public void test() throws IOException, ClassNotFoundException {
// Iterate enough to cause JIT to compile
// javax.print.attribute.EnumSyntax::readResolve
for (int i = 0; i < 100_000; i++) {
// Must execute two or more subclasses with final static arrays of
// different types.
doEvictionAlgorithm();
doEvictionAction();
}
}
protected void doEvictionAlgorithm() throws IOException, ClassNotFoundException {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(EvictionAlgorithm.NONE);
oos.close();
final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
final ObjectInputStream ois = new ObjectInputStream(bais);
ois.readObject();
ois.close();
}
protected void doEvictionAction() throws IOException, ClassNotFoundException {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(EvictionAction.NONE);
oos.close();
final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
final ObjectInputStream ois = new ObjectInputStream(bais);
ois.readObject();
ois.close();
}
}