TestPriorityQueuepublic class TestPriorityQueue extends TestCase | Copyright 2004 The Apache Software Foundation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. |
| Constructors Summary |
|---|
public TestPriorityQueue(String name)
super(name);
|
| Methods Summary |
|---|
| public void | testClear()
PriorityQueue pq = new IntegerQueue(3);
pq.put(new Integer(2));
pq.put(new Integer(3));
pq.put(new Integer(1));
assertEquals(3, pq.size());
pq.clear();
assertEquals(0, pq.size());
| | public void | testFixedSize()
PriorityQueue pq = new IntegerQueue(3);
pq.insert(new Integer(2));
pq.insert(new Integer(3));
pq.insert(new Integer(1));
pq.insert(new Integer(5));
pq.insert(new Integer(7));
pq.insert(new Integer(1));
assertEquals(3, pq.size());
assertEquals(3, ((Integer) pq.top()).intValue());
| | public void | testPQ()
testPQ(10000);
| | public static void | testPQ(int count)
PriorityQueue pq = new IntegerQueue(count);
Random gen = new Random();
int sum = 0, sum2 = 0;
Date start = new Date();
for (int i = 0; i < count; i++)
{
int next = gen.nextInt();
sum += next;
pq.put(new Integer(next));
}
// Date end = new Date();
// System.out.print(((float)(end.getTime()-start.getTime()) / count) * 1000);
// System.out.println(" microseconds/put");
// start = new Date();
int last = Integer.MIN_VALUE;
for (int i = 0; i < count; i++)
{
Integer next = (Integer)pq.pop();
assertTrue(next.intValue() >= last);
last = next.intValue();
sum2 += last;
}
assertEquals(sum, sum2);
// end = new Date();
// System.out.print(((float)(end.getTime()-start.getTime()) / count) * 1000);
// System.out.println(" microseconds/pop");
|
|
