1 /***
2 * Copyright 2003-2010 Terracotta, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package net.sf.ehcache.util;
18
19 import java.io.IOException;
20 import java.util.Random;
21
22 import junit.framework.Assert;
23
24 import org.junit.Test;
25
26 public class MemoryEfficientByteArrayOutputStreamTest {
27
28 @Test
29 public void testOutputIsCorrectlySized() throws IOException {
30 Random rndm = new Random();
31
32 for (int i = 0; i < 100; i++) {
33 int size = rndm.nextInt(1024);
34 int initial = rndm.nextInt(1024);
35 MemoryEfficientByteArrayOutputStream out = new MemoryEfficientByteArrayOutputStream(initial);
36 out.write(new byte[size]);
37 Assert.assertEquals(size, out.getBytes().length);
38 }
39 }
40 }