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ArrQueueTest.java
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ArrQueueTest.java
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package weeks4;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
import static org.junit.jupiter.api.Assertions.*;
class ArrQueueTest {
@Test
void arrQueue(){
ArrQueue arrQueue = new ArrQueue();
arrQueue.enque(1);
// queue : 1
assertThat(arrQueue.queue[0]).isEqualTo(1);
assertThat(arrQueue.queue[1]).isNull();
arrQueue.enque(2);
// queue : 1 2
assertThat(arrQueue.queue[0]).isEqualTo(1);
assertThat(arrQueue.queue[1]).isEqualTo(2);
assertThat(arrQueue.queue[2]).isNull();
int retVal = arrQueue.deque();
// queue : 1
assertThat(retVal).isEqualTo(2);
assertThat(arrQueue.queue[0]).isEqualTo(1);
assertThat(arrQueue.getFront()).isEqualTo(1);
arrQueue.enque(5);
// queue : 1 5
assertThat(arrQueue.queue[0]).isEqualTo(1);
assertThat(arrQueue.queue[1]).isEqualTo(5);
retVal = arrQueue.deque();
// queue : 1
assertThat(retVal).isEqualTo(5);
assertThat(arrQueue.queue[0]).isEqualTo(1);
retVal = arrQueue.deque();
// queue :
assertThat(retVal).isEqualTo(1);
assertThat(arrQueue.getFront()).isEqualTo(0);
assertThrows(IllegalArgumentException.class, ()->{
arrQueue.deque();
});
}
}