/*
* Copyright (c) 2008-2013, Matthias Mann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Matthias Mann nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package co.paralleluniverse.fibers.instrument;
import co.paralleluniverse.fibers.Instrumented;
import co.paralleluniverse.fibers.SuspendExecution;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Locale;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Test to check blocking call detection
*
* @author Matthias Mann
*/
@Instrumented
public class BlockingTest {
@Test
public void testSuspend() throws IOException {
final String className = BlockingTest.class.getName().replace('.', '/');
final HashSet<String> msgs = new HashSet<>();
msgs.add("Method BlockingTest.java:" + className + "#t_wait()V contains potentially blocking call to java/lang/Object#wait()V");
msgs.add("Method BlockingTest.java:" + className + "#t_sleep1()V contains potentially blocking call to java/lang/Thread#sleep(J)V");
msgs.add("Method BlockingTest.java:" + className + "#t_sleep2()V contains potentially blocking call to java/lang/Thread#sleep(JI)V");
msgs.add("Method BlockingTest.java:" + className + "#t_join1(Ljava/lang/Thread;)V contains potentially blocking call to java/lang/Thread#join()V");
msgs.add("Method BlockingTest.java:" + className + "#t_join2(Ljava/lang/Thread;)V contains potentially blocking call to java/lang/Thread#join(J)V");
msgs.add("Method BlockingTest.java:" + className + "#t_join3(Ljava/lang/Thread;)V contains potentially blocking call to java/lang/Thread#join(JI)V");
final QuasarInstrumentor instrumentor = new QuasarInstrumentor(false);
final MethodDatabase db = instrumentor.getMethodDatabase(BlockingTest.class.getClassLoader());
instrumentor.setAllowBlocking(true);
instrumentor.setLog(new Log() {
@Override
public void log(LogLevel level, String msg, Object... args) {
if (level == LogLevel.WARNING) {
msg = String.format(Locale.ENGLISH, msg, args);
assertTrue("Unexpected message: " + msg, msgs.remove(msg));
}
}
@Override
public void error(String msg, Throwable ex) {
throw new Error(msg, ex);
}
});
try (final InputStream in = BlockingTest.class.getResourceAsStream("BlockingTest.class")) {
instrumentor.instrumentClass(BlockingTest.class.getClassLoader(), BlockingTest.class.getName(), in, true);
}
assertTrue("Expected messages not generated: " + msgs.toString(), msgs.isEmpty());
}
public void t_wait() throws SuspendExecution, InterruptedException {
synchronized (this) {
wait();
}
}
public void t_notify() throws SuspendExecution {
synchronized (this) {
notify();
}
}
public void t_sleep1() throws SuspendExecution, InterruptedException {
Thread.sleep(1000);
}
public void t_sleep2() throws SuspendExecution, InterruptedException {
Thread.sleep(1000, 100);
}
public void t_join1(Thread t) throws SuspendExecution, InterruptedException {
t.join();
}
public void t_join2(Thread t) throws SuspendExecution, InterruptedException {
t.join(1000);
}
public void t_join3(Thread t) throws SuspendExecution, InterruptedException {
t.join(1, 100);
}
public void t_lock3() throws SuspendExecution {
lock();
}
public void lock() {
System.out.println("Just a method which have similar signature");
}
}