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package jrummikub.util;
import static org.junit.Assert.*;
import org.junit.Test;
/**
* Test class for {@link Event2}
*/
public class Event2Test {
int fired, fired2, fired3, fired4;
/** */
@Test
public void singleListener() {
fired = 0;
fired2 = 0;
Event2<Integer, Integer> testEvent = new Event2<Integer, Integer>();
testEvent.add(new IListener2<Integer, Integer>() {
@Override
public void handle(Integer n, Integer m) {
fired += n;
fired2 += m;
}
});
assertEquals(fired, 0);
assertEquals(fired2, 0);
testEvent.emit(10, 5);
assertEquals(fired, 10);
assertEquals(fired2, 5);
testEvent.emit(20, 45);
assertEquals(fired, 30);
assertEquals(fired2, 50);
}
/** */
@Test
public void twoListeners() {
fired = 0;
fired2 = 0;
fired3 = 0;
fired4 = 0;
Event2<Integer, Integer> testEvent = new Event2<Integer, Integer>();
testEvent.add(new IListener2<Integer, Integer>() {
@Override
public void handle(Integer n, Integer m) {
fired += n;
fired2 += m;
}
});
testEvent.add(new IListener2<Integer, Integer>() {
@Override
public void handle(Integer n, Integer m) {
fired3 -= n;
fired4 -= m;
}
});
assertEquals(fired, 0);
assertEquals(fired2, 0);
assertEquals(fired3, 0);
assertEquals(fired4, 0);
testEvent.emit(5, 10);
assertEquals(fired, 5);
assertEquals(fired2, 10);
assertEquals(fired3, -5);
assertEquals(fired4, -10);
}
/** */
@Test
public void removeListener() {
fired = 0;
fired2 = 0;
Event2<Integer, Integer> testEvent = new Event2<Integer, Integer>();
testEvent.add(new IListener2<Integer, Integer>() {
@Override
public void handle(Integer n, Integer m) {
fired += n;
fired2 += m;
}
});
IListener2<Integer, Integer> rem = new IListener2<Integer, Integer>() {
@Override
public void handle(Integer n, Integer m) {
fail();
}
};
assertEquals(fired, 0);
assertEquals(fired2, 0);
testEvent.add(rem);
testEvent.remove(rem);
testEvent.emit(10, 20);
assertEquals(fired, 10);
assertEquals(fired2, 20);
}
/** */
@Test
public void removeListenerByConnection() {
fired = 0;
fired2 = 0;
Event2<Integer, Integer> testEvent = new Event2<Integer, Integer>();
testEvent.add(new IListener2<Integer, Integer>() {
@Override
public void handle(Integer n, Integer m) {
fired += n;
fired2 += m;
}
});
IListener2<Integer, Integer> rem = new IListener2<Integer, Integer>() {
@Override
public void handle(Integer n, Integer m) {
fail();
}
};
assertEquals(fired, 0);
assertEquals(fired2, 0);
Connection connection = testEvent.add(rem);
connection.remove();
testEvent.emit(10, 20);
assertEquals(fired, 10);
assertEquals(fired2, 20);
}
}
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