1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.
*/
package com.android.inputmethod.latin.makedict;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.util.Log;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Random;
/**
* Unit tests for SparseTable.
*/
@LargeTest
public class SparseTableTests extends AndroidTestCase {
private static final String TAG = SparseTableTests.class.getSimpleName();
private static final int[] SMALL_INDEX = { SparseTable.NOT_EXIST, 0 };
private static final int[] BIG_INDEX = { SparseTable.NOT_EXIST, 1, 2, 3, 4, 5, 6, 7};
private final Random mRandom;
private final ArrayList<Integer> mRandomIndex;
private static final int DEFAULT_SIZE = 10000;
private static final int BLOCK_SIZE = 8;
public SparseTableTests() {
this(System.currentTimeMillis(), DEFAULT_SIZE);
}
public SparseTableTests(final long seed, final int tableSize) {
super();
Log.d(TAG, "Seed for test is " + seed + ", size is " + tableSize);
mRandom = new Random(seed);
mRandomIndex = new ArrayList<Integer>(tableSize);
for (int i = 0; i < tableSize; ++i) {
mRandomIndex.add(SparseTable.NOT_EXIST);
}
}
public void testInitializeWithArray() {
final SparseTable table = new SparseTable(SMALL_INDEX, BIG_INDEX, BLOCK_SIZE);
for (int i = 0; i < 8; ++i) {
assertEquals(SparseTable.NOT_EXIST, table.get(i));
}
assertEquals(SparseTable.NOT_EXIST, table.get(8));
for (int i = 9; i < 16; ++i) {
assertEquals(i - 8, table.get(i));
}
}
public void testSet() {
final SparseTable table = new SparseTable(16, BLOCK_SIZE);
table.set(3, 6);
table.set(8, 16);
for (int i = 0; i < 16; ++i) {
if (i == 3 || i == 8) {
assertEquals(i * 2, table.get(i));
} else {
assertEquals(SparseTable.NOT_EXIST, table.get(i));
}
}
}
private void generateRandomIndex(final int size, final int prop) {
for (int i = 0; i < DEFAULT_SIZE; ++i) {
if (mRandom.nextInt(100) < prop) {
mRandomIndex.set(i, mRandom.nextInt());
} else {
mRandomIndex.set(i, SparseTable.NOT_EXIST);
}
}
}
private void runTestRandomSet() {
final SparseTable table = new SparseTable(DEFAULT_SIZE, BLOCK_SIZE);
int elementCount = 0;
for (int i = 0; i < DEFAULT_SIZE; ++i) {
if (mRandomIndex.get(i) != SparseTable.NOT_EXIST) {
table.set(i, mRandomIndex.get(i));
elementCount++;
}
}
Log.d(TAG, "table size = " + table.getLookupTableSize() + " + "
+ table.getContentTableSize());
Log.d(TAG, "the table has " + elementCount + " elements");
for (int i = 0; i < DEFAULT_SIZE; ++i) {
assertEquals(table.get(i), (int)mRandomIndex.get(i));
}
// flush and reload
OutputStream lookupOutStream = null;
OutputStream contentOutStream = null;
InputStream lookupInStream = null;
InputStream contentInStream = null;
try {
final File lookupIndexFile = File.createTempFile("testRandomSet", ".small");
final File contentFile = File.createTempFile("testRandomSet", ".big");
lookupOutStream = new FileOutputStream(lookupIndexFile);
contentOutStream = new FileOutputStream(contentFile);
table.write(lookupOutStream, contentOutStream);
lookupInStream = new FileInputStream(lookupIndexFile);
contentInStream = new FileInputStream(contentFile);
final byte[] lookupArray = new byte[(int) lookupIndexFile.length()];
final byte[] contentArray = new byte[(int) contentFile.length()];
lookupInStream.read(lookupArray);
contentInStream.read(contentArray);
final SparseTable newTable = new SparseTable(lookupArray, contentArray, BLOCK_SIZE);
for (int i = 0; i < DEFAULT_SIZE; ++i) {
assertEquals(table.get(i), newTable.get(i));
}
} catch (IOException e) {
Log.d(TAG, "IOException while flushing and realoding", e);
} finally {
if (lookupOutStream != null) {
try {
lookupOutStream.close();
} catch (IOException e) {
Log.d(TAG, "IOException while closing the stream", e);
}
}
if (contentOutStream != null) {
try {
contentOutStream.close();
} catch (IOException e) {
Log.d(TAG, "IOException while closing contentStream.", e);
}
}
}
}
public void testRandomSet() {
for (int i = 0; i <= 100; i += 10) {
generateRandomIndex(DEFAULT_SIZE, i);
runTestRandomSet();
}
}
}
|
