TimeBoxingTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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package com.oracle.truffle.api.debug.test;

import java.util.Timer;
import java.util.TimerTask;

import org.junit.Test;

import com.oracle.truffle.api.debug.Debugger;
import com.oracle.truffle.api.debug.SuspendedCallback;
import com.oracle.truffle.api.debug.SuspendedEvent;
import com.oracle.truffle.api.instrumentation.test.InstrumentationTestLanguage;
import com.oracle.truffle.api.source.Source;
import com.oracle.truffle.api.vm.PolyglotEngine;

public class TimeBoxingTest {

    @Test(expected = ThreadDeath.class)
    public void testTimeBoxing() throws Exception {
        final PolyglotEngine engine = PolyglotEngine.newBuilder().build();
        Source source = Source.newBuilder("ROOT(LOOP(infinity,STATEMENT))").mimeType(InstrumentationTestLanguage.MIME_TYPE).name("NotEnoughTime").build();

        new Timer().schedule(new TimerTask() {
            @Override
            public void run() {
                Debugger.find(engine).startSession(new SuspendedCallback() {
                    public void onSuspend(SuspendedEvent event) {
                        event.prepareKill();
                    }
                }).suspendNextExecution();
            }
        }, 1000);

        engine.eval(source); // throws KillException extends ThreadDeath
    }

}