1/*
2 * Copyright (C) 2013 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 android.test.AndroidTestCase;
20
21import com.android.volley.Cache;
22import com.android.volley.toolbox.DiskBasedCache.CacheHeader;
23
24import java.io.ByteArrayInputStream;
25import java.io.ByteArrayOutputStream;
26import java.util.HashMap;
27import java.util.Map;
28
29public class DiskBasedCacheTest extends AndroidTestCase {
30
31    // Simple end-to-end serialize/deserialize test.
32    public void testCacheHeaderSerialization() throws Exception {
33        Cache.Entry e = new Cache.Entry();
34        e.data = new byte[8];
35        e.serverDate = 1234567L;
36        e.ttl = 9876543L;
37        e.softTtl = 8765432L;
38        e.etag = "etag";
39        e.responseHeaders = new HashMap<String, String>();
40        e.responseHeaders.put("fruit", "banana");
41
42        CacheHeader first = new CacheHeader("my-magical-key", e);
43        ByteArrayOutputStream baos = new ByteArrayOutputStream();
44        first.writeHeader(baos);
45        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
46        CacheHeader second = CacheHeader.readHeader(bais);
47
48        assertEquals(first.key, second.key);
49        assertEquals(first.serverDate, second.serverDate);
50        assertEquals(first.ttl, second.ttl);
51        assertEquals(first.softTtl, second.softTtl);
52        assertEquals(first.etag, second.etag);
53        assertEquals(first.responseHeaders, second.responseHeaders);
54    }
55
56    public void testSerializeInt() throws Exception {
57        ByteArrayOutputStream baos = new ByteArrayOutputStream();
58        DiskBasedCache.writeInt(baos, 0);
59        DiskBasedCache.writeInt(baos, 19791214);
60        DiskBasedCache.writeInt(baos, -20050711);
61        DiskBasedCache.writeInt(baos, Integer.MIN_VALUE);
62        DiskBasedCache.writeInt(baos, Integer.MAX_VALUE);
63        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
64        assertEquals(DiskBasedCache.readInt(bais), 0);
65        assertEquals(DiskBasedCache.readInt(bais), 19791214);
66        assertEquals(DiskBasedCache.readInt(bais), -20050711);
67        assertEquals(DiskBasedCache.readInt(bais), Integer.MIN_VALUE);
68        assertEquals(DiskBasedCache.readInt(bais), Integer.MAX_VALUE);
69    }
70
71    public void testSerializeLong() throws Exception {
72        ByteArrayOutputStream baos = new ByteArrayOutputStream();
73        DiskBasedCache.writeLong(baos, 0);
74        DiskBasedCache.writeLong(baos, 31337);
75        DiskBasedCache.writeLong(baos, -4160);
76        DiskBasedCache.writeLong(baos, 4295032832L);
77        DiskBasedCache.writeLong(baos, -4314824046L);
78        DiskBasedCache.writeLong(baos, Long.MIN_VALUE);
79        DiskBasedCache.writeLong(baos, Long.MAX_VALUE);
80        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
81        assertEquals(DiskBasedCache.readLong(bais), 0);
82        assertEquals(DiskBasedCache.readLong(bais), 31337);
83        assertEquals(DiskBasedCache.readLong(bais), -4160);
84        assertEquals(DiskBasedCache.readLong(bais), 4295032832L);
85        assertEquals(DiskBasedCache.readLong(bais), -4314824046L);
86        assertEquals(DiskBasedCache.readLong(bais), Long.MIN_VALUE);
87        assertEquals(DiskBasedCache.readLong(bais), Long.MAX_VALUE);
88    }
89
90    public void testSerializeString() throws Exception {
91        ByteArrayOutputStream baos = new ByteArrayOutputStream();
92        DiskBasedCache.writeString(baos, "");
93        DiskBasedCache.writeString(baos, "This is a string.");
94        DiskBasedCache.writeString(baos, "ファイカス");
95        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
96        assertEquals(DiskBasedCache.readString(bais), "");
97        assertEquals(DiskBasedCache.readString(bais), "This is a string.");
98        assertEquals(DiskBasedCache.readString(bais), "ファイカス");
99    }
100
101    public void testSerializeMap() throws Exception {
102        ByteArrayOutputStream baos = new ByteArrayOutputStream();
103        Map<String, String> empty = new HashMap<String, String>();
104        DiskBasedCache.writeStringStringMap(empty, baos);
105        DiskBasedCache.writeStringStringMap(null, baos);
106        Map<String, String> twoThings = new HashMap<String, String>();
107        twoThings.put("first", "thing");
108        twoThings.put("second", "item");
109        DiskBasedCache.writeStringStringMap(twoThings, baos);
110        Map<String, String> emptyKey = new HashMap<String, String>();
111        emptyKey.put("", "value");
112        DiskBasedCache.writeStringStringMap(emptyKey, baos);
113        Map<String, String> emptyValue = new HashMap<String, String>();
114        emptyValue.put("key", "");
115        DiskBasedCache.writeStringStringMap(emptyValue, baos);
116        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
117        assertEquals(DiskBasedCache.readStringStringMap(bais), empty);
118        assertEquals(DiskBasedCache.readStringStringMap(bais), empty); // null reads back empty
119        assertEquals(DiskBasedCache.readStringStringMap(bais), twoThings);
120        assertEquals(DiskBasedCache.readStringStringMap(bais), emptyKey);
121        assertEquals(DiskBasedCache.readStringStringMap(bais), emptyValue);
122    }
123}
124