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/*
* 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.harmony.jpda.tests.jdwp.Deoptimization;
import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
import org.apache.harmony.jpda.tests.share.SyncDebuggee;
/**
* Debuggee for DeoptimizationWithExceptionHandlingTest.
*/
public class DeoptimizationWithExceptionHandlingDebuggee extends SyncDebuggee {
public static final int SUCCESS_RESULT = 1;
public static final int FAILURE_RESULT = 0;
public static void main(String[] args) {
runDebuggee(DeoptimizationWithExceptionHandlingDebuggee.class);
}
@Override
public void run() {
logWriter.println("--> DeoptimizationWithExceptionHandlingDebuggee started");
synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_READY);
// Wait for test setup
synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
int result = runTest();
logWriter.println("Result == " + result);
// Send result to test.
synchronizer.sendMessage(Integer.toString(result));
logWriter.println("--> DeoptimizationWithExceptionHandlingDebuggee finished");
}
/**
* This method will catch the NullPointerException after deoptimization happened.
*/
private static int runTest() {
int result = FAILURE_RESULT;
try {
runBreakpointMethodThenThrowNPE();
result = FAILURE_RESULT;
} catch (NullPointerException e) {
result = SUCCESS_RESULT;
}
return result;
}
/**
* This method will throw a NullPointerException after deoptimization happened.
*/
private static void runBreakpointMethodThenThrowNPE() {
runBreakpointMethod();
throw new NullPointerException();
}
/**
* This method will be the starting point of stack deoptimization.
*/
private static void runBreakpointMethod() {
breakpointMethod();
}
private static void breakpointMethod() {
System.out.println("breakpointMethod");
}
}
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