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package jrummikub.util;
import static org.junit.Assert.*;
import org.junit.Test;
public class Event1Test {
int fired, fired2;
@Test
public void singleListener() {
fired = 0;
Event1<Integer> testEvent = new Event1<Integer>();
testEvent.add(new IListener1<Integer>() {
@Override
public void handle(Integer n) {
fired += n;
}
});
assertEquals(fired, 0);
testEvent.emit(10);
assertEquals(fired, 10);
testEvent.emit(20);
assertEquals(fired, 30);
}
@Test
public void twoListeners() {
fired = 0;
fired2 = 0;
Event1<Integer> testEvent = new Event1<Integer>();
testEvent.add(new IListener1<Integer>() {
@Override
public void handle(Integer n) {
fired += n;
}
});
testEvent.add(new IListener1<Integer>() {
@Override
public void handle(Integer n) {
fired2 -= n;
}
});
assertEquals(fired, 0);
assertEquals(fired2, 0);
testEvent.emit(5);
assertEquals(fired, 5);
assertEquals(fired2, -5);
}
@Test
public void removeListener() {
fired = 0;
Event1<Integer> testEvent = new Event1<Integer>();
testEvent.add(new IListener1<Integer>() {
@Override
public void handle(Integer n) {
fired += n;
}
});
IListener1<Integer> rem = new IListener1<Integer>() {
@Override
public void handle(Integer n) {
fail();
}
};
testEvent.add(rem);
testEvent.remove(rem);
testEvent.emit(10);
assertEquals(fired, 10);
}
}
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