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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jrt;
import org.junit.After;
import org.junit.Before;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class WatcherTest {
private static class Watcher implements TargetWatcher {
private int notifyCnt = 0;
public void notifyTargetInvalid(Target target) {
notifyCnt++;
}
public int cnt() {
return notifyCnt;
}
public boolean equals(Object rhs) {
return true;
}
public int hashCode() {
return 0;
}
}
Supervisor server;
Acceptor acceptor;
Supervisor client;
Target target;
@Before
public void setUp() throws ListenFailedException {
server = new Supervisor(new Transport());
client = new Supervisor(new Transport());
acceptor = server.listen(new Spec(0));
target = client.connect(new Spec("localhost", acceptor.port()));
}
@After
public void tearDown() {
target.close();
acceptor.shutdown().join();
client.transport().shutdown().join();
server.transport().shutdown().join();
}
@org.junit.Test
public void testNotify() {
Watcher w1 = new Watcher();
Watcher w2 = new Watcher();
Watcher w3 = new Watcher();
Watcher w4 = new Watcher();
Watcher w5 = new Watcher();
assertTrue(target.addWatcher(w1));
assertTrue(target.addWatcher(w1));
assertTrue(target.addWatcher(w1));
assertTrue(target.addWatcher(w2));
assertTrue(target.addWatcher(w2));
assertTrue(target.addWatcher(w2));
assertTrue(target.removeWatcher(w2));
assertTrue(target.removeWatcher(w2));
assertTrue(target.addWatcher(w2));
assertTrue(target.addWatcher(w3));
assertTrue(target.removeWatcher(w3));
assertTrue(target.removeWatcher(w4));
assertTrue(target.addWatcher(w5));
assertTrue(target.addWatcher(w5));
assertTrue(target.addWatcher(w5));
assertTrue(target.removeWatcher(w5));
target.close();
client.transport().sync();
assertEquals(1, w1.cnt());
assertEquals(1, w2.cnt());
assertEquals(0, w3.cnt());
assertEquals(0, w4.cnt());
assertEquals(0, w5.cnt());
assertFalse(target.removeWatcher(w1));
assertFalse(target.removeWatcher(w2));
assertFalse(target.addWatcher(w3));
assertFalse(target.addWatcher(w4));
assertFalse(target.addWatcher(w5));
target.close();
client.transport().sync();
assertEquals(1, w1.cnt());
assertEquals(1, w2.cnt());
assertEquals(0, w3.cnt());
assertEquals(0, w4.cnt());
assertEquals(0, w5.cnt());
}
}
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