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Remove dead code, including tests. 

Change-Id: Id88b02b74bdfe4ca05b08181ceb6b34d5652fc0c
main
Dan Zivkovic 2015-03-10 17:22:41 -07:00
parent 70c096d9a1
commit 77fd5dbf3e
9 changed files with 8 additions and 1160 deletions
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19
java/src/com/android/inputmethod/latin/BinaryDictionary.java
View File

@ -216,7 +216,7 @@ public final class BinaryDictionary extends Dictionary {
long newFormatVersion);
// TODO: Move native dict into session
private final void loadDictionary(final String path, final long startOffset,
private void loadDictionary(final String path, final long startOffset,
final long length, final boolean isUpdatable) {
mHasUpdated = false;
mNativeDict = openNative(path, startOffset, length, isUpdatable);
@ -487,23 +487,6 @@ public final class BinaryDictionary extends Dictionary {
return true;
}
// Remove an n-gram entry from the binary dictionary in native code.
public boolean removeNgramEntry(final NgramContext ngramContext, final String word) {
if (!ngramContext.isValid() || TextUtils.isEmpty(word)) {
return false;
}
final int[][] prevWordCodePointArrays = new int[ngramContext.getPrevWordCount()][];
final boolean[] isBeginningOfSentenceArray = new boolean[ngramContext.getPrevWordCount()];
ngramContext.outputToArray(prevWordCodePointArrays, isBeginningOfSentenceArray);
final int[] wordCodePoints = StringUtils.toCodePointArray(word);
if (!removeNgramEntryNative(mNativeDict, prevWordCodePointArrays,
isBeginningOfSentenceArray, wordCodePoints)) {
return false;
}
mHasUpdated = true;
return true;
}
// Update entries for the word occurrence with the ngramContext.
public boolean updateEntriesForWordWithNgramContext(@Nonnull final NgramContext ngramContext,
final String word, final boolean isValidWord, final int count, final int timestamp) {

1
java/src/com/android/inputmethod/latin/utils/BinaryDictionaryUtils.java
View File

@ -40,6 +40,7 @@ public final class BinaryDictionaryUtils {
JniUtils.loadNativeLibrary();
}
@UsedForTesting
private static native boolean createEmptyDictFileNative(String filePath, long dictVersion,
String locale, String[] attributeKeyStringArray, String[] attributeValueStringArray);
private static native float calcNormalizedScoreNative(int[] before, int[] after, int score);

2
tests/src/com/android/inputmethod/keyboard/KeyboardLayoutTest.java
View File

@ -27,8 +27,6 @@ import org.junit.Test;
@SmallTest
public class KeyboardLayoutTest {
private KeyboardLayout mKeyboardLayout;
@Test
public void testNewKeyboardLayout() {
KeyboardLayout keyboardLayout = KeyboardLayout

85
tests/src/com/android/inputmethod/latin/BinaryDictionaryTests.java
View File

@ -39,7 +39,6 @@ import java.util.HashSet;
import java.util.Locale;
import java.util.Random;
// TODO Use the seed passed as an argument for makedict test.
@LargeTest
public class BinaryDictionaryTests extends AndroidTestCase {
private static final String TEST_DICT_FILE_EXTENSION = ".testDict";
@ -214,10 +213,9 @@ public class BinaryDictionaryTests extends AndroidTestCase {
private static void addTrigramEntry(final BinaryDictionary binaryDictionary, final String word0,
final String word1, final String word2, final int probability) {
final NgramContext ngramContext =
new NgramContext(new WordInfo[] { new WordInfo(word1), new WordInfo(word0) } );
binaryDictionary.addNgramEntry(ngramContext, word2, probability,
BinaryDictionary.NOT_A_VALID_TIMESTAMP /* timestamp */);
binaryDictionary.addNgramEntry(
new NgramContext(new WordInfo(word1), new WordInfo(word0)), word2,
probability, BinaryDictionary.NOT_A_VALID_TIMESTAMP /* timestamp */);
}
private static boolean isValidBigram(final BinaryDictionary binaryDictionary,
@ -225,18 +223,6 @@ public class BinaryDictionaryTests extends AndroidTestCase {
return binaryDictionary.isValidNgram(new NgramContext(new WordInfo(word0)), word1);
}
private static void removeBigramEntry(final BinaryDictionary binaryDictionary,
final String word0, final String word1) {
binaryDictionary.removeNgramEntry(new NgramContext(new WordInfo(word0)), word1);
}
private static void removeTrigramEntry(final BinaryDictionary binaryDictionary,
final String word0, final String word1, final String word2) {
final NgramContext ngramContext =
new NgramContext(new WordInfo[] { new WordInfo(word1), new WordInfo(word0) } );
binaryDictionary.removeNgramEntry(ngramContext, word2);
}
private static int getBigramProbability(final BinaryDictionary binaryDictionary,
final String word0, final String word1) {
return binaryDictionary.getNgramProbability(new NgramContext(new WordInfo(word0)), word1);
@ -244,9 +230,8 @@ public class BinaryDictionaryTests extends AndroidTestCase {
private static int getTrigramProbability(final BinaryDictionary binaryDictionary,
final String word0, final String word1, final String word2) {
final NgramContext ngramContext =
new NgramContext(new WordInfo[] { new WordInfo(word1), new WordInfo(word0) } );
return binaryDictionary.getNgramProbability(ngramContext, word2);
return binaryDictionary.getNgramProbability(
new NgramContext(new WordInfo(word1), new WordInfo(word0)), word2);
}
public void testAddUnigramWord() {
@ -421,48 +406,6 @@ public class BinaryDictionaryTests extends AndroidTestCase {
}
}
public void testRemoveBigramWords() {
for (final int formatVersion : DICT_FORMAT_VERSIONS) {
testRemoveBigramWords(formatVersion);
}
}
private void testRemoveBigramWords(final int formatVersion) {
final BinaryDictionary binaryDictionary = getEmptyBinaryDictionary(formatVersion);
final int unigramProbability = 100;
final int bigramProbability = 150;
addUnigramWord(binaryDictionary, "aaa", unigramProbability);
addUnigramWord(binaryDictionary, "abb", unigramProbability);
addUnigramWord(binaryDictionary, "bcc", unigramProbability);
addBigramWords(binaryDictionary, "aaa", "abb", bigramProbability);
addBigramWords(binaryDictionary, "aaa", "bcc", bigramProbability);
addBigramWords(binaryDictionary, "abb", "aaa", bigramProbability);
addBigramWords(binaryDictionary, "abb", "bcc", bigramProbability);
assertTrue(isValidBigram(binaryDictionary, "aaa", "abb"));
assertTrue(isValidBigram(binaryDictionary, "aaa", "bcc"));
assertTrue(isValidBigram(binaryDictionary, "abb", "aaa"));
assertTrue(isValidBigram(binaryDictionary, "abb", "bcc"));
removeBigramEntry(binaryDictionary, "aaa", "abb");
assertFalse(isValidBigram(binaryDictionary, "aaa", "abb"));
addBigramWords(binaryDictionary, "aaa", "abb", bigramProbability);
assertTrue(isValidBigram(binaryDictionary, "aaa", "abb"));
removeBigramEntry(binaryDictionary, "aaa", "bcc");
assertFalse(isValidBigram(binaryDictionary, "aaa", "bcc"));
removeBigramEntry(binaryDictionary, "abb", "aaa");
assertFalse(isValidBigram(binaryDictionary, "abb", "aaa"));
removeBigramEntry(binaryDictionary, "abb", "bcc");
assertFalse(isValidBigram(binaryDictionary, "abb", "bcc"));
removeBigramEntry(binaryDictionary, "aaa", "abb");
// Test remove non-existing bigram operation.
removeBigramEntry(binaryDictionary, "aaa", "abb");
removeBigramEntry(binaryDictionary, "bcc", "aaa");
}
public void testAddTrigramWords() {
for (final int formatVersion : DICT_FORMAT_VERSIONS) {
if (supportsNgram(formatVersion)) {
@ -495,11 +438,6 @@ public class BinaryDictionaryTests extends AndroidTestCase {
addTrigramEntry(binaryDictionary, "bcc", "abb", "aaa", updatedTrigramProbability);
assertEquals(updatedTrigramProbability,
getTrigramProbability(binaryDictionary, "bcc", "abb", "aaa"));
removeTrigramEntry(binaryDictionary, "aaa", "abb", "bcc");
assertEquals(Dictionary.NOT_A_PROBABILITY,
getTrigramProbability(binaryDictionary, "aaa", "abb", "bcc"));
assertTrue(isValidBigram(binaryDictionary, "abb", "bcc"));
}
public void testFlushDictionary() {
@ -655,7 +593,6 @@ public class BinaryDictionaryTests extends AndroidTestCase {
final int initialUnigramCount = 100;
final float addUnigramProb = 0.5f;
final float addBigramProb = 0.8f;
final float removeBigramProb = 0.2f;
final int codePointSetSize = 30;
final long seed = System.currentTimeMillis();
@ -710,14 +647,6 @@ public class BinaryDictionaryTests extends AndroidTestCase {
bigramProbabilities.put(bigram, bigramProbability);
addBigramWords(binaryDictionary, word0, word1, bigramProbability);
}
// Remove bigram.
if (random.nextFloat() < removeBigramProb && !bigramWords.isEmpty()) {
final int bigramIndex = random.nextInt(bigramWords.size());
final Pair<String, String> bigram = bigramWords.get(bigramIndex);
bigramWords.remove(bigramIndex);
bigramProbabilities.remove(bigram);
removeBigramEntry(binaryDictionary, bigram.first, bigram.second);
}
}
// Test whether the all unigram operations are collectlly handled.
@ -731,8 +660,7 @@ public class BinaryDictionaryTests extends AndroidTestCase {
final Pair<String, String> bigram = bigramWords.get(i);
final int probability;
if (bigramProbabilities.containsKey(bigram)) {
final int bigramProbability = bigramProbabilities.get(bigram);
probability = bigramProbability;
probability = bigramProbabilities.get(bigram);
} else {
probability = Dictionary.NOT_A_PROBABILITY;
}
@ -1051,7 +979,6 @@ public class BinaryDictionaryTests extends AndroidTestCase {
addUnigramWord(binaryDictionary, "bbb", unigramProbability);
final int bigramProbability = 150;
addBigramWords(binaryDictionary, "aaa", "bbb", bigramProbability);
final int shortcutProbability = 10;
binaryDictionary.addUnigramEntry("ccc", unigramProbability,
false /* isBeginningOfSentence */, false /* isNotAWord */,
false /* isPossiblyOffensive */, 0 /* timestamp */);

677
tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java
View File

@ -1,677 +0,0 @@
/*
* Copyright (C) 2012 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 android.util.Pair;
import android.util.SparseArray;
import com.android.inputmethod.latin.BinaryDictionary;
import com.android.inputmethod.latin.common.CodePointUtils;
import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.CharEncoding;
import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.DictBuffer;
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
import com.android.inputmethod.latin.utils.BinaryDictionaryUtils;
import com.android.inputmethod.latin.utils.ByteArrayDictBuffer;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map.Entry;
import java.util.Random;
import java.util.Set;
import java.util.TreeMap;
/**
* Unit tests for BinaryDictDecoderUtils and BinaryDictEncoderUtils.
*/
@LargeTest
public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
private static final String TAG = BinaryDictDecoderEncoderTests.class.getSimpleName();
private static final int DEFAULT_MAX_UNIGRAMS = 300;
private static final int DEFAULT_CODE_POINT_SET_SIZE = 50;
private static final int LARGE_CODE_POINT_SET_SIZE = 300;
private static final int UNIGRAM_FREQ = 10;
private static final int BIGRAM_FREQ = 50;
private static final int TOLERANCE_OF_BIGRAM_FREQ = 5;
private static final ArrayList<String> sWords = new ArrayList<>();
private static final ArrayList<String> sWordsWithVariousCodePoints = new ArrayList<>();
private static final SparseArray<List<Integer>> sEmptyBigrams = new SparseArray<>();
private static final SparseArray<List<Integer>> sStarBigrams = new SparseArray<>();
private static final SparseArray<List<Integer>> sChainBigrams = new SparseArray<>();
final Random mRandom;
public BinaryDictDecoderEncoderTests() {
this(System.currentTimeMillis(), DEFAULT_MAX_UNIGRAMS);
}
public BinaryDictDecoderEncoderTests(final long seed, final int maxUnigrams) {
super();
BinaryDictionaryUtils.setCurrentTimeForTest(0);
Log.e(TAG, "Testing dictionary: seed is " + seed);
mRandom = new Random(seed);
sWords.clear();
sWordsWithVariousCodePoints.clear();
generateWords(maxUnigrams, mRandom);
for (int i = 0; i < sWords.size(); ++i) {
sChainBigrams.put(i, new ArrayList<Integer>());
if (i > 0) {
sChainBigrams.get(i - 1).add(i);
}
}
sStarBigrams.put(0, new ArrayList<Integer>());
// MAX - 1 because we added one above already
final int maxBigrams = Math.min(sWords.size(), FormatSpec.MAX_BIGRAMS_IN_A_PTNODE - 1);
for (int i = 1; i < maxBigrams; ++i) {
sStarBigrams.get(0).add(i);
}
}
@Override
protected void setUp() throws Exception {
super.setUp();
BinaryDictionaryUtils.setCurrentTimeForTest(0);
}
@Override
protected void tearDown() throws Exception {
// Quit test mode.
BinaryDictionaryUtils.setCurrentTimeForTest(-1);
super.tearDown();
}
private static void generateWords(final int number, final Random random) {
final int[] codePointSet = CodePointUtils.generateCodePointSet(DEFAULT_CODE_POINT_SET_SIZE,
random);
final Set<String> wordSet = new HashSet<>();
while (wordSet.size() < number) {
wordSet.add(CodePointUtils.generateWord(random, codePointSet));
}
sWords.addAll(wordSet);
final int[] largeCodePointSet = CodePointUtils.generateCodePointSet(
LARGE_CODE_POINT_SET_SIZE, random);
wordSet.clear();
while (wordSet.size() < number) {
wordSet.add(CodePointUtils.generateWord(random, largeCodePointSet));
}
sWordsWithVariousCodePoints.addAll(wordSet);
}
/**
* Adds unigrams to the dictionary.
*/
private static void addUnigrams(final int number, final FusionDictionary dict,
final List<String> words) {
for (int i = 0; i < number; ++i) {
final String word = words.get(i);
final ArrayList<WeightedString> shortcuts = new ArrayList<>();
dict.add(word, new ProbabilityInfo(UNIGRAM_FREQ), false /* isNotAWord */,
false /* isPossiblyOffensive */);
}
}
private static void addBigrams(final FusionDictionary dict,
final List<String> words,
final SparseArray<List<Integer>> bigrams) {
for (int i = 0; i < bigrams.size(); ++i) {
final int w1 = bigrams.keyAt(i);
for (int w2 : bigrams.valueAt(i)) {
dict.setBigram(words.get(w1), words.get(w2), new ProbabilityInfo(BIGRAM_FREQ));
}
}
}
// The following is useful to dump the dictionary into a textual file, but it can't compile
// on-device, so it's commented out.
// private void dumpToCombinedFileForDebug(final FusionDictionary dict, final String filename)
// throws IOException {
// com.android.inputmethod.latin.dicttool.CombinedInputOutput.writeDictionaryCombined(
// new java.io.FileWriter(new File(filename)), dict);
// }
private static long timeWritingDictToFile(final File file, final FusionDictionary dict,
final FormatSpec.FormatOptions formatOptions) {
long now = -1, diff = -1;
try {
final DictEncoder dictEncoder = BinaryDictUtils.getDictEncoder(file, formatOptions);
now = System.currentTimeMillis();
// If you need to dump the dict to a textual file, uncomment the line below and the
// function above
// dumpToCombinedFileForDebug(file, "/tmp/foo");
dictEncoder.writeDictionary(dict, formatOptions);
diff = System.currentTimeMillis() - now;
} catch (IOException e) {
Log.e(TAG, "IO exception while writing file", e);
} catch (UnsupportedFormatException e) {
Log.e(TAG, "UnsupportedFormatException", e);
}
return diff;
}
private static void checkDictionary(final FusionDictionary dict, final List<String> words,
final SparseArray<List<Integer>> bigrams) {
assertNotNull(dict);
// check unigram
for (final String word : words) {
final PtNode ptNode = FusionDictionary.findWordInTree(dict.mRootNodeArray, word);
assertNotNull(ptNode);
}
// check bigram
for (int i = 0; i < bigrams.size(); ++i) {
final int w1 = bigrams.keyAt(i);
for (final int w2 : bigrams.valueAt(i)) {
final PtNode ptNode = FusionDictionary.findWordInTree(dict.mRootNodeArray,
words.get(w1));
assertNotNull(words.get(w1) + "," + words.get(w2), ptNode.getBigram(words.get(w2)));
}
}
}
private static String outputOptions(final int bufferType,
final FormatSpec.FormatOptions formatOptions) {
final String result = " : buffer type = "
+ ((bufferType == BinaryDictUtils.USE_BYTE_BUFFER) ? "byte buffer" : "byte array");
return result + " : version = " + formatOptions.mVersion;
}
// Tests for readDictionaryBinary and writeDictionaryBinary
private static long timeReadingAndCheckDict(final File file, final List<String> words,
final SparseArray<List<Integer>> bigrams, final int bufferType) {
long now, diff = -1;
FusionDictionary dict = null;
try {
final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder(file, 0, file.length(),
bufferType);
now = System.currentTimeMillis();
dict = dictDecoder.readDictionaryBinary(false /* deleteDictIfBroken */);
diff = System.currentTimeMillis() - now;
} catch (IOException e) {
Log.e(TAG, "IOException while reading dictionary", e);
} catch (UnsupportedFormatException e) {
Log.e(TAG, "Unsupported format", e);
}
checkDictionary(dict, words, bigrams);
return diff;
}
// Tests for readDictionaryBinary and writeDictionaryBinary
private String runReadAndWrite(final List<String> words,
final SparseArray<List<Integer>> bigrams,
final int bufferType, final FormatSpec.FormatOptions formatOptions,
final String message) {
final String dictName = "runReadAndWrite";
final String dictVersion = Long.toString(System.currentTimeMillis());
final File file = BinaryDictUtils.getDictFile(dictName, dictVersion, formatOptions,
getContext().getCacheDir());
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
BinaryDictUtils.makeDictionaryOptions(dictName, dictVersion, formatOptions));
addUnigrams(words.size(), dict, words);
addBigrams(dict, words, bigrams);
checkDictionary(dict, words, bigrams);
final long write = timeWritingDictToFile(file, dict, formatOptions);
final long read = timeReadingAndCheckDict(file, words, bigrams, bufferType);
return "PROF: read=" + read + "ms, write=" + write + "ms :" + message
+ " : " + outputOptions(bufferType, formatOptions);
}
private void runReadAndWriteTests(final List<String> results, final int bufferType,
final FormatSpec.FormatOptions formatOptions) {
results.add(runReadAndWrite(sWords, sEmptyBigrams, bufferType,
formatOptions, "unigram"));
results.add(runReadAndWrite(sWords, sChainBigrams, bufferType,
formatOptions, "chain"));
results.add(runReadAndWrite(sWords, sStarBigrams, bufferType,
formatOptions, "star"));
results.add(runReadAndWrite(sWords, sEmptyBigrams, bufferType, formatOptions,
"unigram with shortcuts"));
results.add(runReadAndWrite(sWords, sChainBigrams, bufferType, formatOptions,
"chain with shortcuts"));
results.add(runReadAndWrite(sWords, sStarBigrams, bufferType, formatOptions,
"star with shortcuts"));
results.add(runReadAndWrite(sWordsWithVariousCodePoints, sEmptyBigrams,
bufferType, formatOptions,
"unigram with various code points"));
}
public void testCharacterTableIsPresent() throws IOException, UnsupportedFormatException {
final String[] wordSource = {"words", "used", "for", "testing", "a", "code point", "table"};
final List<String> words = Arrays.asList(wordSource);
final String correctCodePointTable = "toesdrniawuplgfcb ";
final String dictName = "codePointTableTest";
final String dictVersion = Long.toString(System.currentTimeMillis());
final String codePointTableAttribute = DictionaryHeader.CODE_POINT_TABLE_KEY;
final File file = BinaryDictUtils.getDictFile(dictName, dictVersion,
BinaryDictUtils.STATIC_OPTIONS, getContext().getCacheDir());
// Write a test dictionary
final DictEncoder dictEncoder = new Ver2DictEncoder(file,
Ver2DictEncoder.CODE_POINT_TABLE_ON);
final FormatSpec.FormatOptions formatOptions =
new FormatSpec.FormatOptions(
FormatSpec.MINIMUM_SUPPORTED_STATIC_VERSION);
final FusionDictionary sourcedict = new FusionDictionary(new PtNodeArray(),
BinaryDictUtils.makeDictionaryOptions(dictName, dictVersion, formatOptions));
addUnigrams(words.size(), sourcedict, words);
dictEncoder.writeDictionary(sourcedict, formatOptions);
// Read the dictionary
final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder(file, 0, file.length(),
DictDecoder.USE_BYTEARRAY);
final DictionaryHeader fileHeader = dictDecoder.readHeader();
// Check if codePointTable is present
assertTrue("codePointTable is not present",
fileHeader.mDictionaryOptions.mAttributes.containsKey(codePointTableAttribute));
final String codePointTable =
fileHeader.mDictionaryOptions.mAttributes.get(codePointTableAttribute);
// Check if codePointTable is correct
assertEquals("codePointTable is incorrect", codePointTable, correctCodePointTable);
}
// Unit test for CharEncoding.readString and CharEncoding.writeString.
public void testCharEncoding() {
// the max length of a word in sWords is less than 50.
// See generateWords.
final byte[] buffer = new byte[50 * 3];
final DictBuffer dictBuffer = new ByteArrayDictBuffer(buffer);
for (final String word : sWords) {
Arrays.fill(buffer, (byte) 0);
CharEncoding.writeString(buffer, 0, word, null);
dictBuffer.position(0);
final String str = CharEncoding.readString(dictBuffer);
assertEquals(word, str);
}
}
public void testReadAndWriteWithByteBuffer() {
final List<String> results = new ArrayList<>();
runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
BinaryDictUtils.STATIC_OPTIONS);
runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
BinaryDictUtils.DYNAMIC_OPTIONS_WITHOUT_TIMESTAMP);
runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
BinaryDictUtils.DYNAMIC_OPTIONS_WITH_TIMESTAMP);
for (final String result : results) {
Log.d(TAG, result);
}
}
public void testReadAndWriteWithByteArray() {
final List<String> results = new ArrayList<>();
runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
BinaryDictUtils.STATIC_OPTIONS);
runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
BinaryDictUtils.DYNAMIC_OPTIONS_WITHOUT_TIMESTAMP);
runReadAndWriteTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
BinaryDictUtils.DYNAMIC_OPTIONS_WITH_TIMESTAMP);
for (final String result : results) {
Log.d(TAG, result);
}
}
// Tests for readUnigramsAndBigramsBinary
private static void checkWordMap(final List<String> expectedWords,
final SparseArray<List<Integer>> expectedBigrams,
final TreeMap<Integer, String> resultWords,
final TreeMap<Integer, Integer> resultFrequencies,
final TreeMap<Integer, ArrayList<PendingAttribute>> resultBigrams,
final boolean checkProbability) {
// check unigrams
final Set<String> actualWordsSet = new HashSet<>(resultWords.values());
final Set<String> expectedWordsSet = new HashSet<>(expectedWords);
assertEquals(actualWordsSet, expectedWordsSet);
if (checkProbability) {
for (int freq : resultFrequencies.values()) {
assertEquals(freq, UNIGRAM_FREQ);
}
}
// check bigrams
final HashMap<String, Set<String>> expBigrams = new HashMap<>();
for (int i = 0; i < expectedBigrams.size(); ++i) {
final String word1 = expectedWords.get(expectedBigrams.keyAt(i));
for (int w2 : expectedBigrams.valueAt(i)) {
if (expBigrams.get(word1) == null) {
expBigrams.put(word1, new HashSet<String>());
}
expBigrams.get(word1).add(expectedWords.get(w2));
}
}
final HashMap<String, Set<String>> actBigrams = new HashMap<>();
for (Entry<Integer, ArrayList<PendingAttribute>> entry : resultBigrams.entrySet()) {
final String word1 = resultWords.get(entry.getKey());
final int unigramFreq = resultFrequencies.get(entry.getKey());
for (PendingAttribute attr : entry.getValue()) {
final String word2 = resultWords.get(attr.mAddress);
if (actBigrams.get(word1) == null) {
actBigrams.put(word1, new HashSet<String>());
}
actBigrams.get(word1).add(word2);
if (checkProbability) {
final int bigramFreq = BinaryDictIOUtils.reconstructBigramFrequency(
unigramFreq, attr.mFrequency);
assertTrue(Math.abs(bigramFreq - BIGRAM_FREQ) < TOLERANCE_OF_BIGRAM_FREQ);
}
}
}
assertEquals(actBigrams, expBigrams);
}
private static long timeAndCheckReadUnigramsAndBigramsBinary(final File file,
final List<String> words, final SparseArray<List<Integer>> bigrams,
final int bufferType, final boolean checkProbability) {
final TreeMap<Integer, String> resultWords = new TreeMap<>();
final TreeMap<Integer, ArrayList<PendingAttribute>> resultBigrams = new TreeMap<>();
final TreeMap<Integer, Integer> resultFreqs = new TreeMap<>();
long now = -1, diff = -1;
try {
final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder(file, 0, file.length(),
bufferType);
now = System.currentTimeMillis();
dictDecoder.readUnigramsAndBigramsBinary(resultWords, resultFreqs, resultBigrams);
diff = System.currentTimeMillis() - now;
} catch (IOException e) {
Log.e(TAG, "IOException", e);
} catch (UnsupportedFormatException e) {
Log.e(TAG, "UnsupportedFormatException", e);
}
checkWordMap(words, bigrams, resultWords, resultFreqs, resultBigrams, checkProbability);
return diff;
}
private String runReadUnigramsAndBigramsBinary(final ArrayList<String> words,
final SparseArray<List<Integer>> bigrams, final int bufferType,
final FormatSpec.FormatOptions formatOptions, final String message) {
final String dictName = "runReadUnigrams";
final String dictVersion = Long.toString(System.currentTimeMillis());
final File file = BinaryDictUtils.getDictFile(dictName, dictVersion, formatOptions,
getContext().getCacheDir());
// making the dictionary from lists of words.
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
BinaryDictUtils.makeDictionaryOptions(dictName, dictVersion, formatOptions));
addUnigrams(words.size(), dict, words);
addBigrams(dict, words, bigrams);
timeWritingDictToFile(file, dict, formatOptions);
// Caveat: Currently, the Java code to read a v4 dictionary doesn't calculate the
// probability when there's a timestamp for the entry.
// TODO: Abandon the Java code, and implement the v4 dictionary reading code in native.
long wordMap = timeAndCheckReadUnigramsAndBigramsBinary(file, words, bigrams, bufferType,
!formatOptions.mHasTimestamp /* checkProbability */);
long fullReading = timeReadingAndCheckDict(file, words, bigrams,
bufferType);
return "readDictionaryBinary=" + fullReading + ", readUnigramsAndBigramsBinary=" + wordMap
+ " : " + message + " : " + outputOptions(bufferType, formatOptions);
}
private void runReadUnigramsAndBigramsTests(final ArrayList<String> results,
final int bufferType, final FormatSpec.FormatOptions formatOptions) {
results.add(runReadUnigramsAndBigramsBinary(sWords, sEmptyBigrams, bufferType,
formatOptions, "unigram"));
results.add(runReadUnigramsAndBigramsBinary(sWords, sChainBigrams, bufferType,
formatOptions, "chain"));
results.add(runReadUnigramsAndBigramsBinary(sWords, sStarBigrams, bufferType,
formatOptions, "star"));
}
public void testReadUnigramsAndBigramsBinaryWithByteBuffer() {
final ArrayList<String> results = new ArrayList<>();
runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_BUFFER,
BinaryDictUtils.STATIC_OPTIONS);
for (final String result : results) {
Log.d(TAG, result);
}
}
public void testReadUnigramsAndBigramsBinaryWithByteArray() {
final ArrayList<String> results = new ArrayList<>();
runReadUnigramsAndBigramsTests(results, BinaryDictUtils.USE_BYTE_ARRAY,
BinaryDictUtils.STATIC_OPTIONS);
for (final String result : results) {
Log.d(TAG, result);
}
}
// Tests for getTerminalPosition
private static String getWordFromBinary(final DictDecoder dictDecoder, final int address) {
if (dictDecoder.getPosition() != 0) dictDecoder.setPosition(0);
DictionaryHeader fileHeader = null;
try {
fileHeader = dictDecoder.readHeader();
} catch (IOException e) {
return null;
} catch (UnsupportedFormatException e) {
return null;
}
if (fileHeader == null) return null;
return BinaryDictDecoderUtils.getWordAtPosition(dictDecoder, fileHeader.mBodyOffset,
address).mWord;
}
private static long checkGetTerminalPosition(final DictDecoder dictDecoder, final String word,
final boolean contained) {
long diff = -1;
int position = -1;
try {
final long now = System.nanoTime();
position = dictDecoder.getTerminalPosition(word);
diff = System.nanoTime() - now;
} catch (IOException e) {
Log.e(TAG, "IOException while getTerminalPosition", e);
} catch (UnsupportedFormatException e) {
Log.e(TAG, "UnsupportedFormatException while getTerminalPosition", e);
}
assertEquals(FormatSpec.NOT_VALID_WORD != position, contained);
if (contained) assertEquals(getWordFromBinary(dictDecoder, position), word);
return diff;
}
private void runGetTerminalPosition(final ArrayList<String> words,
final SparseArray<List<Integer>> bigrams, final int bufferType,
final FormatOptions formatOptions, final String message) {
final String dictName = "testGetTerminalPosition";
final String dictVersion = Long.toString(System.currentTimeMillis());
final File file = BinaryDictUtils.getDictFile(dictName, dictVersion, formatOptions,
getContext().getCacheDir());
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
BinaryDictUtils.makeDictionaryOptions(dictName, dictVersion, formatOptions));
addUnigrams(sWords.size(), dict, sWords);
addBigrams(dict, words, bigrams);
timeWritingDictToFile(file, dict, formatOptions);
final DictDecoder dictDecoder = BinaryDictIOUtils.getDictDecoder(file, 0, file.length(),
DictDecoder.USE_BYTEARRAY);
try {
dictDecoder.openDictBuffer();
} catch (IOException e) {
Log.e(TAG, "IOException while opening the buffer", e);
} catch (UnsupportedFormatException e) {
Log.e(TAG, "IOException while opening the buffer", e);
}
assertTrue("Can't get the buffer", dictDecoder.isDictBufferOpen());
try {
// too long word
final String longWord = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz";
assertEquals(FormatSpec.NOT_VALID_WORD, dictDecoder.getTerminalPosition(longWord));
// null
assertEquals(FormatSpec.NOT_VALID_WORD, dictDecoder.getTerminalPosition(null));
// empty string
assertEquals(FormatSpec.NOT_VALID_WORD, dictDecoder.getTerminalPosition(""));
} catch (IOException e) {
} catch (UnsupportedFormatException e) {
}
// Test a word that is contained within the dictionary.
long sum = 0;
for (int i = 0; i < sWords.size(); ++i) {
final long time = checkGetTerminalPosition(dictDecoder, sWords.get(i), true);
sum += time == -1 ? 0 : time;
}
Log.d(TAG, "per search : " + (((double)sum) / sWords.size() / 1000000) + " : " + message
+ " : " + outputOptions(bufferType, formatOptions));
// Test a word that isn't contained within the dictionary.
final int[] codePointSet = CodePointUtils.generateCodePointSet(DEFAULT_CODE_POINT_SET_SIZE,
mRandom);
for (int i = 0; i < 1000; ++i) {
final String word = CodePointUtils.generateWord(mRandom, codePointSet);
if (sWords.indexOf(word) != -1) continue;
checkGetTerminalPosition(dictDecoder, word, false);
}
}
private void runGetTerminalPositionTests(final int bufferType,
final FormatOptions formatOptions) {
runGetTerminalPosition(sWords, sEmptyBigrams, bufferType, formatOptions, "unigram");
}
public void testGetTerminalPosition() {
final ArrayList<String> results = new ArrayList<>();
runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_ARRAY,
BinaryDictUtils.STATIC_OPTIONS);
runGetTerminalPositionTests(BinaryDictUtils.USE_BYTE_BUFFER,
BinaryDictUtils.STATIC_OPTIONS);
for (final String result : results) {
Log.d(TAG, result);
}
}
public void testVer2DictGetWordProperty() {
final FormatOptions formatOptions = BinaryDictUtils.STATIC_OPTIONS;
final ArrayList<String> words = sWords;
final String dictName = "testGetWordProperty";
final String dictVersion = Long.toString(System.currentTimeMillis());
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
BinaryDictUtils.makeDictionaryOptions(dictName, dictVersion, formatOptions));
addUnigrams(words.size(), dict, words);
addBigrams(dict, words, sEmptyBigrams);
final File file = BinaryDictUtils.getDictFile(dictName, dictVersion, formatOptions,
getContext().getCacheDir());
file.delete();
timeWritingDictToFile(file, dict, formatOptions);
final BinaryDictionary binaryDictionary = new BinaryDictionary(file.getAbsolutePath(),
0 /* offset */, file.length(), true /* useFullEditDistance */,
Locale.ENGLISH, dictName, false /* isUpdatable */);
for (final String word : words) {
final WordProperty wordProperty = binaryDictionary.getWordProperty(word,
false /* isBeginningOfSentence */);
assertEquals(word, wordProperty.mWord);
assertEquals(UNIGRAM_FREQ, wordProperty.getProbability());
}
}
public void testVer2DictIteration() {
final FormatOptions formatOptions = BinaryDictUtils.STATIC_OPTIONS;
final ArrayList<String> words = sWords;
final SparseArray<List<Integer>> bigrams = sEmptyBigrams;
final String dictName = "testGetWordProperty";
final String dictVersion = Long.toString(System.currentTimeMillis());
final FusionDictionary dict = new FusionDictionary(new PtNodeArray(),
BinaryDictUtils.makeDictionaryOptions(dictName, dictVersion, formatOptions));
addUnigrams(words.size(), dict, words);
addBigrams(dict, words, bigrams);
final File file = BinaryDictUtils.getDictFile(dictName, dictVersion, formatOptions,
getContext().getCacheDir());
timeWritingDictToFile(file, dict, formatOptions);
Log.d(TAG, file.getAbsolutePath());
final BinaryDictionary binaryDictionary = new BinaryDictionary(file.getAbsolutePath(),
0 /* offset */, file.length(), true /* useFullEditDistance */,
Locale.ENGLISH, dictName, false /* isUpdatable */);
final HashSet<String> wordSet = new HashSet<>(words);
final HashSet<Pair<String, String>> bigramSet = new HashSet<>();
for (int i = 0; i < words.size(); i++) {
final List<Integer> bigramList = bigrams.get(i);
if (bigramList != null) {
for (final Integer word1Index : bigramList) {
final String word1 = words.get(word1Index);
bigramSet.add(new Pair<>(words.get(i), word1));
}
}
}
int token = 0;
do {
final BinaryDictionary.GetNextWordPropertyResult result =
binaryDictionary.getNextWordProperty(token);
final WordProperty wordProperty = result.mWordProperty;
final String word0 = wordProperty.mWord;
assertEquals(UNIGRAM_FREQ, wordProperty.mProbabilityInfo.mProbability);
wordSet.remove(word0);
if (wordProperty.mHasNgrams) {
for (final WeightedString bigramTarget : wordProperty.getBigrams()) {
final String word1 = bigramTarget.mWord;
final Pair<String, String> bigram = new Pair<>(word0, word1);
assertTrue(bigramSet.contains(bigram));
bigramSet.remove(bigram);
}
}
token = result.mNextToken;
} while (token != 0);
assertTrue(wordSet.isEmpty());
assertTrue(bigramSet.isEmpty());
}
}

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@ -1,80 +0,0 @@
/*
* 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 com.android.inputmethod.latin.makedict.FormatSpec.DictionaryOptions;
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
import java.io.File;
import java.util.HashMap;
public class BinaryDictUtils {
public static final int USE_BYTE_ARRAY = 1;
public static final int USE_BYTE_BUFFER = 2;
public static final String TEST_DICT_FILE_EXTENSION = ".testDict";
public static final FormatSpec.FormatOptions STATIC_OPTIONS =
new FormatSpec.FormatOptions(FormatSpec.VERSION202);
public static final FormatSpec.FormatOptions DYNAMIC_OPTIONS_WITHOUT_TIMESTAMP =
new FormatSpec.FormatOptions(FormatSpec.VERSION4, false /* hasTimestamp */);
public static final FormatSpec.FormatOptions DYNAMIC_OPTIONS_WITH_TIMESTAMP =
new FormatSpec.FormatOptions(FormatSpec.VERSION4, true /* hasTimestamp */);
public static DictionaryOptions makeDictionaryOptions(final String id, final String version,
final FormatSpec.FormatOptions formatOptions) {
final DictionaryOptions options = new DictionaryOptions(new HashMap<String, String>());
options.mAttributes.put(DictionaryHeader.DICTIONARY_LOCALE_KEY, "en_US");
options.mAttributes.put(DictionaryHeader.DICTIONARY_ID_KEY, id);
options.mAttributes.put(DictionaryHeader.DICTIONARY_VERSION_KEY, version);
if (formatOptions.mHasTimestamp) {
options.mAttributes.put(DictionaryHeader.HAS_HISTORICAL_INFO_KEY,
DictionaryHeader.ATTRIBUTE_VALUE_TRUE);
options.mAttributes.put(DictionaryHeader.USES_FORGETTING_CURVE_KEY,
DictionaryHeader.ATTRIBUTE_VALUE_TRUE);
}
return options;
}
public static File getDictFile(final String name, final String version,
final FormatOptions formatOptions, final File directory) {
if (formatOptions.mVersion == FormatSpec.VERSION2
|| formatOptions.mVersion == FormatSpec.VERSION201
|| formatOptions.mVersion == FormatSpec.VERSION202) {
return new File(directory, name + "." + version + TEST_DICT_FILE_EXTENSION);
} else if (formatOptions.mVersion == FormatSpec.VERSION4) {
return new File(directory, name + "." + version);
} else {
throw new RuntimeException("the format option has a wrong version : "
+ formatOptions.mVersion);
}
}
public static DictEncoder getDictEncoder(final File file, final FormatOptions formatOptions) {
if (formatOptions.mVersion == FormatSpec.VERSION4) {
if (!file.isDirectory()) {
file.mkdir();
}
return new Ver4DictEncoder(file);
} else if (formatOptions.mVersion == FormatSpec.VERSION202) {
return new Ver2DictEncoder(file, Ver2DictEncoder.CODE_POINT_TABLE_OFF);
} else {
throw new RuntimeException("The format option has a wrong version : "
+ formatOptions.mVersion);
}
}
}

81
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@ -1,81 +0,0 @@
/*
* Copyright (C) 2014 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 java.util.Arrays;
import java.util.List;
import java.util.Map.Entry;
import com.android.inputmethod.latin.makedict.BinaryDictEncoderUtils.CodePointTable;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
/**
* Unit tests for Ver2DictEncoder
*/
@LargeTest
public class Ver2DictEncoderTests extends AndroidTestCase {
private static final int UNIGRAM_FREQ = 10;
public void testCodePointTable() {
final String[] wordSource = {"words", "used", "for", "testing", "a", "code point", "table"};
final List<String> words = Arrays.asList(wordSource);
final String correctCodePointTable = "eotdsanirfg bclwup";
final String correctCodePointOccurrenceArrayString =
"11641114101411531003114211021052972119111711121108110311021991981321";
final String correctCodePointExpectedMapString = "343332363540383937464549484744414243";
final String dictName = "codePointTableTest";
final String dictVersion = Long.toString(System.currentTimeMillis());
final FormatSpec.FormatOptions formatOptions =
new FormatSpec.FormatOptions(FormatSpec.VERSION2);
final FusionDictionary sourcedict = new FusionDictionary(new PtNodeArray(),
BinaryDictUtils.makeDictionaryOptions(dictName, dictVersion, formatOptions));
addUnigrams(sourcedict, words);
final CodePointTable codePointTable = Ver2DictEncoder.makeCodePointTable(sourcedict);
// Check if mCodePointOccurrenceArray is correct
final StringBuilder codePointOccurrenceArrayString = new StringBuilder();
for (Entry<Integer, Integer> entry : codePointTable.mCodePointOccurrenceArray) {
codePointOccurrenceArrayString.append(entry.getKey());
codePointOccurrenceArrayString.append(entry.getValue());
}
assertEquals(correctCodePointOccurrenceArrayString,
codePointOccurrenceArrayString.toString());
// Check if mCodePointToOneByteCodeMap is correct
final StringBuilder codePointExpectedMapString = new StringBuilder();
for (int i = 0; i < correctCodePointTable.length(); ++i) {
codePointExpectedMapString.append(codePointTable.mCodePointToOneByteCodeMap.get(
correctCodePointTable.codePointAt(i)));
}
assertEquals(correctCodePointExpectedMapString, codePointExpectedMapString.toString());
}
/**
* Adds unigrams to the dictionary.
*/
private static void addUnigrams(final FusionDictionary dict, final List<String> words) {
for (final String word : words) {
dict.add(word, new ProbabilityInfo(UNIGRAM_FREQ),
false /* isNotAWord */,
false /* isPossiblyOffensive */);
}
}
}

133
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@ -1,133 +0,0 @@
/*
* 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 com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.BinaryDictionary;
import com.android.inputmethod.latin.Dictionary;
import com.android.inputmethod.latin.NgramContext;
import com.android.inputmethod.latin.common.LocaleUtils;
import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;
import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;
import com.android.inputmethod.latin.utils.BinaryDictionaryUtils;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
/**
* An implementation of DictEncoder for version 4 binary dictionary.
*/
@UsedForTesting
public class Ver4DictEncoder implements DictEncoder {
private final File mDictPlacedDir;
@UsedForTesting
public Ver4DictEncoder(final File dictPlacedDir) {
mDictPlacedDir = dictPlacedDir;
}
// TODO: This builds a FusionDictionary first and iterates it to add words to the binary
// dictionary. However, it is possible to just add words directly to the binary dictionary
// instead.
// In the long run, when we stop supporting version 2, FusionDictionary will become deprecated
// and we can remove it. Then we'll be able to just call BinaryDictionary directly.
@Override
public void writeDictionary(FusionDictionary dict, FormatOptions formatOptions)
throws IOException, UnsupportedFormatException {
if (formatOptions.mVersion != FormatSpec.VERSION4) {
throw new UnsupportedFormatException("File header has a wrong version number : "
+ formatOptions.mVersion);
}
if (!mDictPlacedDir.isDirectory()) {
throw new UnsupportedFormatException("Given path is not a directory.");
}
if (!BinaryDictionaryUtils.createEmptyDictFile(mDictPlacedDir.getAbsolutePath(),
FormatSpec.VERSION4, LocaleUtils.constructLocaleFromString(
dict.mOptions.mAttributes.get(DictionaryHeader.DICTIONARY_LOCALE_KEY)),
dict.mOptions.mAttributes)) {
throw new IOException("Cannot create dictionary file : "
+ mDictPlacedDir.getAbsolutePath());
}
final BinaryDictionary binaryDict = new BinaryDictionary(mDictPlacedDir.getAbsolutePath(),
0l, mDictPlacedDir.length(), true /* useFullEditDistance */,
LocaleUtils.constructLocaleFromString(dict.mOptions.mAttributes.get(
DictionaryHeader.DICTIONARY_LOCALE_KEY)),
Dictionary.TYPE_USER /* Dictionary type. Does not matter for us */,
true /* isUpdatable */);
if (!binaryDict.isValidDictionary()) {
// Somehow createEmptyDictFile returned true, but the file was not created correctly
throw new IOException("Cannot create dictionary file");
}
for (final WordProperty wordProperty : dict) {
if (!binaryDict.addUnigramEntry(wordProperty.mWord, wordProperty.getProbability(),
wordProperty.mIsBeginningOfSentence, wordProperty.mIsNotAWord,
wordProperty.mIsPossiblyOffensive, 0 /* timestamp */)) {
MakedictLog.e("Cannot add unigram entry for " + wordProperty.mWord);
}
if (binaryDict.needsToRunGC(true /* mindsBlockByGC */)) {
if (!binaryDict.flushWithGC()) {
MakedictLog.e("Cannot flush dict with GC.");
return;
}
}
}
for (final WordProperty word0Property : dict) {
if (!word0Property.mHasNgrams) continue;
// TODO: Support ngram.
for (final WeightedString word1 : word0Property.getBigrams()) {
final NgramContext ngramContext =
new NgramContext(new NgramContext.WordInfo(word0Property.mWord));
if (!binaryDict.addNgramEntry(ngramContext, word1.mWord,
word1.getProbability(), 0 /* timestamp */)) {
MakedictLog.e("Cannot add n-gram entry for "
+ ngramContext + " -> " + word1.mWord);
return;
}
if (binaryDict.needsToRunGC(true /* mindsBlockByGC */)) {
if (!binaryDict.flushWithGC()) {
MakedictLog.e("Cannot flush dict with GC.");
return;
}
}
}
}
if (!binaryDict.flushWithGC()) {
MakedictLog.e("Cannot flush dict with GC.");
return;
}
binaryDict.close();
}
@Override
public void setPosition(int position) {
}
@Override
public int getPosition() {
return 0;
}
@Override
public void writePtNodeCount(int ptNodeCount) {
}
@Override
public void writePtNode(PtNode ptNode, FusionDictionary dict,
HashMap<Integer, Integer> codePointToOneByteCodeMap) {
}
}

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@ -1,90 +0,0 @@
/*
* Copyright (C) 2014 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.utils;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import com.android.inputmethod.latin.BinaryDictionary;
import com.android.inputmethod.latin.common.FileUtils;
import com.android.inputmethod.latin.common.LocaleUtils;
import com.android.inputmethod.latin.makedict.DictionaryHeader;
import com.android.inputmethod.latin.makedict.FormatSpec;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.TimeUnit;
@LargeTest
public class BinaryDictionaryUtilsTests extends AndroidTestCase {
private static final String TEST_DICT_FILE_EXTENSION = ".testDict";
private static final String TEST_LOCALE = "test";
private File createEmptyDictionaryAndGetFile(final String dictId,
final int formatVersion) throws IOException {
if (formatVersion == FormatSpec.VERSION4) {
return createEmptyVer4DictionaryAndGetFile(dictId);
}
throw new IOException("Dictionary format version " + formatVersion + " is not supported.");
}
private File createEmptyVer4DictionaryAndGetFile(final String dictId) throws IOException {
final File file = getDictFile(dictId);
FileUtils.deleteRecursively(file);
Map<String, String> attributeMap = new HashMap<>();
attributeMap.put(DictionaryHeader.DICTIONARY_ID_KEY, dictId);
attributeMap.put(DictionaryHeader.DICTIONARY_VERSION_KEY,
String.valueOf(TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis())));
attributeMap.put(DictionaryHeader.USES_FORGETTING_CURVE_KEY,
DictionaryHeader.ATTRIBUTE_VALUE_TRUE);
attributeMap.put(DictionaryHeader.HAS_HISTORICAL_INFO_KEY,
DictionaryHeader.ATTRIBUTE_VALUE_TRUE);
if (BinaryDictionaryUtils.createEmptyDictFile(file.getAbsolutePath(), FormatSpec.VERSION4,
LocaleUtils.constructLocaleFromString(TEST_LOCALE), attributeMap)) {
return file;
}
throw new IOException("Empty dictionary " + file.getAbsolutePath() + " cannot be created.");
}
private File getDictFile(final String dictId) {
return new File(getContext().getCacheDir(), dictId + TEST_DICT_FILE_EXTENSION);
}
public void testRenameDictionary() {
final int formatVersion = FormatSpec.VERSION4;
File dictFile0 = null;
try {
dictFile0 = createEmptyDictionaryAndGetFile("MoveFromDictionary", formatVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final File dictFile1 = getDictFile("MoveToDictionary");
FileUtils.deleteRecursively(dictFile1);
assertTrue(BinaryDictionaryUtils.renameDict(dictFile0, dictFile1));
assertFalse(dictFile0.exists());
assertTrue(dictFile1.exists());
BinaryDictionary binaryDictionary = new BinaryDictionary(dictFile1.getAbsolutePath(),
0 /* offset */, dictFile1.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
assertTrue(binaryDictionary.isValidDictionary());
assertTrue(binaryDictionary.getFormatVersion() == formatVersion);
binaryDictionary.close();
}
}