1/*
2 * Copyright (C) 2011 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 com.android.volley.toolbox;
18
19import java.io.IOException;
20import java.util.Arrays;
21
22import org.junit.Test;
23
24import static org.junit.Assert.*;
25
26public class PoolingByteArrayOutputStreamTest {
27    @Test public void pooledOneBuffer() throws IOException {
28        ByteArrayPool pool = new ByteArrayPool(32768);
29        writeOneBuffer(pool);
30        writeOneBuffer(pool);
31        writeOneBuffer(pool);
32    }
33
34    @Test public void pooledIndividualWrites() throws IOException {
35        ByteArrayPool pool = new ByteArrayPool(32768);
36        writeBytesIndividually(pool);
37        writeBytesIndividually(pool);
38        writeBytesIndividually(pool);
39    }
40
41    @Test public void unpooled() throws IOException {
42        ByteArrayPool pool = new ByteArrayPool(0);
43        writeOneBuffer(pool);
44        writeOneBuffer(pool);
45        writeOneBuffer(pool);
46    }
47
48    @Test public void unpooledIndividualWrites() throws IOException {
49        ByteArrayPool pool = new ByteArrayPool(0);
50        writeBytesIndividually(pool);
51        writeBytesIndividually(pool);
52        writeBytesIndividually(pool);
53    }
54
55    private void writeOneBuffer(ByteArrayPool pool) throws IOException {
56        byte[] data = new byte[16384];
57        for (int i = 0; i < data.length; i++) {
58            data[i] = (byte) (i & 0xff);
59        }
60        PoolingByteArrayOutputStream os = new PoolingByteArrayOutputStream(pool);
61        os.write(data);
62
63        assertTrue(Arrays.equals(data, os.toByteArray()));
64    }
65
66    private void writeBytesIndividually(ByteArrayPool pool) {
67        byte[] data = new byte[16384];
68        for (int i = 0; i < data.length; i++) {
69            data[i] = (byte) (i & 0xff);
70        }
71        PoolingByteArrayOutputStream os = new PoolingByteArrayOutputStream(pool);
72        for (int i = 0; i < data.length; i++) {
73            os.write(data[i]);
74        }
75
76        assertTrue(Arrays.equals(data, os.toByteArray()));
77    }
78}
79