@Test
public void testBlockedInAtomic() {
if (verifyDeadlock("+cg.enable_atomic")) {
Runnable r =
new Runnable() {
@Override
public synchronized void run() {
System.out.println("T notifying..");
this.notify();
}
};
Thread t = new Thread(r);
synchronized (r) {
System.out.println("main going atomic, holding r lock");
Verify.beginAtomic();
t.start();
try {
System.out.println("main waiting on r");
r.wait();
} catch (InterruptedException x) {
System.out.println("main got interrupted");
}
System.out.println("main leaving atomic");
Verify.endAtomic();
}
}
}
@Test
public void testNoRace() {
if (verifyNoPropertyViolation("+cg.enable_atomic")) {
Runnable r =
new Runnable() {
@Override
public void run() {
System.out.println(" enter run in Thread-0");
assert data == 42;
data += 1;
assert data == 43;
data -= 1;
assert data == 42;
System.out.println(" exit run in Thread-0");
}
};
Thread t = new Thread(r);
Verify.beginAtomic();
System.out.println("enter atomic section in main");
t.start();
assert data == 42;
data += 2;
assert data == 44;
data -= 2;
assert data == 42;
System.out.println("exit atomic section in main");
Verify.endAtomic();
}
}
@Test
public void testDataCG() {
if (verifyNoPropertyViolation("+cg.enable_atomic")) {
Runnable r =
new Runnable() {
@Override
public void run() {
data += 10;
}
};
Thread t = new Thread(r);
Verify.beginAtomic();
t.start();
int i = Verify.getInt(1, 2);
data += i;
assert data < 45 : "data got incremented: " + data;
Verify.incrementCounter(0);
assert i == Verify.getCounter(0);
Verify.endAtomic();
}
}