1/*
2 * Copyright (C) 2008 The Android Open Source Project
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
17package android.core;
18
19import junit.framework.TestCase;
20
21import java.io.ByteArrayOutputStream;
22import java.io.DataOutputStream;
23import android.test.suitebuilder.annotation.SmallTest;
24
25/**
26 * Basic tests for DataOutputStreams.
27 */
28public class DataOutputStreamTest extends TestCase {
29
30    @SmallTest
31    public void testDataOutputStream() throws Exception {
32        String str = "AbCdEfGhIjKlMnOpQrStUvWxYz";
33        ByteArrayOutputStream aa = new ByteArrayOutputStream();
34        DataOutputStream a = new DataOutputStream(aa);
35
36        try {
37            a.write(str.getBytes(), 0, 26);
38            a.write('A');
39
40            assertEquals(27, aa.size());
41            assertEquals("AbCdEfGhIjKlMnOpQrStUvWxYzA", aa.toString());
42
43            a.writeByte('B');
44            assertEquals("AbCdEfGhIjKlMnOpQrStUvWxYzAB", aa.toString());
45            a.writeBytes("BYTES");
46            assertEquals("AbCdEfGhIjKlMnOpQrStUvWxYzABBYTES", aa.toString());
47        } finally {
48            a.close();
49        }
50    }
51}
52