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package org.simpleframework.http.parse;
import java.util.PriorityQueue;
import junit.framework.TestCase;
public class PriorityQueueTest extends TestCase {
private static class Entry implements Comparable<Entry> {
private final String text;
private final int priority;
private final int start;
public Entry(String text, int priority, int start) {
this.priority = priority;
this.start = start;
this.text = text;
}
public int compareTo(Entry entry) {
int value = entry.priority - priority;
if(value == 0) {
return entry.start - start;
}
return value;
}
}
public void testPriorityQueue() {
PriorityQueue<Entry> queue = new PriorityQueue<Entry>();
int start = 10000;
queue.offer(new Entry("a", 10, start--));
queue.offer(new Entry("b", 10, start--));
queue.offer(new Entry("c", 10, start--));
queue.offer(new Entry("d", 10, start--));
queue.offer(new Entry("e", 20, start--));
queue.offer(new Entry("f", 30, start--));
queue.offer(new Entry("g", 20, start--));
while(!queue.isEmpty()) {
System.err.println(queue.remove().text);
}
}
}
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