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public class A
{
static int g;
public synchronized void me1()
{
g = 0;
}
// expected verification success
// --
// base-case, no synchronization
public void me2()
{
B t = new B();
t.shared = 5;
t.start();
assert(t.shared == 5 || t.shared == 6);
}
// expected verification success
// --
// locking mechanism
public void me3()
{
B t = new B();
synchronized(t)
{
t.shared = 5;
t.start();
assert(t.shared == 5);
}
}
// expected verification success
// --
// KNOWNBUG: synchronization of static synchronized
// methods is not yet supported
public void me4()
{
C t = new C();
synchronized(C.class)
{
C.shared = 5;
t.start();
assert(C.shared == 5);
}
}
}
class B extends Thread
{
public int shared = 0;
@Override
public void run()
{
set();
}
public synchronized void set()
{
shared++;
}
}
class C extends Thread
{
public static int shared = 0;
@Override
public void run()
{
C.static_set();
}
public static synchronized void static_set()
{
C.shared++;
}
}
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