public void testConcurrentJoinsAndLeaves() throws Exception {
for (int i = 0; i < threads.length; i++) {
threads[i] = new MyThread(i, barrier);
threads[i].start();
}
barrier.await(); // causes all threads to call Channel.connect()
// coordinator attempts to get complete view within 50 (5*10) seconds
int min = NUM, max = 0;
for (int i = 0; i < 20; i++) {
for (MyThread thread : threads) {
JChannel ch = thread.getChannel();
View view = ch.getView();
if (view != null) {
int size = view.size();
min = Math.min(size, NUM);
max = Math.max(size, max);
}
}
if (min >= NUM && max >= NUM) break;
System.out.println("min=" + min + ", max=" + max);
Util.sleep(2000);
}
System.out.println("reached " + NUM + " members: min=" + min + ", max=" + max);
assert min >= NUM && max >= NUM : "min=" + min + ", max=" + max + ", expected: " + NUM;
System.out.println("Starting the disconnect phase");
for (int i = 0; i < threads.length; i++) {
MyThread thread = threads[i];
System.out.print("disconnecting " + thread.getName());
thread.disconnect();
System.out.println(" OK");
}
}
