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Merge "BinaryDictionaryTests uses ver4 dictionary, too."

main
Keisuke Kuroyanagi 2013-11-25 09:06:49 +00:00 committed by Android (Google) Code Review
parent b68e613016 e74b01191f
commit 251fba54fc
2 changed files with 108 additions and 359 deletions
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125
tests/src/com/android/inputmethod/latin/BinaryDictionaryTests.java
View File

@ -48,24 +48,60 @@ public class BinaryDictionaryTests extends AndroidTestCase {
super.tearDown(); super.tearDown();
} }
private File createEmptyDictionaryAndGetFile(final String filename) throws IOException { private File createEmptyDictionaryAndGetFile(final String dictId,
final File file = File.createTempFile(filename, TEST_DICT_FILE_EXTENSION, final int formatVersion) throws IOException {
if (formatVersion == 3) {
return createEmptyVer3DictionaryAndGetFile(dictId);
} else if (formatVersion == 4) {
return createEmptyVer4DictionaryAndGetFile(dictId);
} else {
throw new IOException("Dictionary format version " + formatVersion
+ " is not supported.");
}
}
private File createEmptyVer4DictionaryAndGetFile(final String dictId) throws IOException {
final File file = File.createTempFile(dictId, TEST_DICT_FILE_EXTENSION,
getContext().getCacheDir()); getContext().getCacheDir());
file.delete();
file.mkdir();
Map<String, String> attributeMap = new HashMap<String, String>(); Map<String, String> attributeMap = new HashMap<String, String>();
attributeMap.put(FormatSpec.FileHeader.SUPPORTS_DYNAMIC_UPDATE_ATTRIBUTE, attributeMap.put(FormatSpec.FileHeader.SUPPORTS_DYNAMIC_UPDATE_ATTRIBUTE,
FormatSpec.FileHeader.ATTRIBUTE_VALUE_TRUE); FormatSpec.FileHeader.ATTRIBUTE_VALUE_TRUE);
if (BinaryDictionary.createEmptyDictFile(file.getAbsolutePath(), if (BinaryDictionary.createEmptyDictFile(file.getAbsolutePath(),
3 /* dictVersion */, attributeMap)) { 4 /* dictVersion */, attributeMap)) {
return new File(file, FormatSpec.TRIE_FILE_EXTENSION);
} else {
throw new IOException("Empty dictionary " + file.getAbsolutePath() + " "
+ FormatSpec.TRIE_FILE_EXTENSION + " cannot be created.");
}
}
private File createEmptyVer3DictionaryAndGetFile(final String dictId) throws IOException {
final File file = File.createTempFile(dictId, TEST_DICT_FILE_EXTENSION,
getContext().getCacheDir());
file.delete();
Map<String, String> attributeMap = new HashMap<String, String>();
attributeMap.put(FormatSpec.FileHeader.SUPPORTS_DYNAMIC_UPDATE_ATTRIBUTE,
FormatSpec.FileHeader.ATTRIBUTE_VALUE_TRUE);
if (BinaryDictionary.createEmptyDictFile(file.getAbsolutePath(), 3 /* dictVersion */,
attributeMap)) {
return file; return file;
} else { } else {
throw new IOException("Empty dictionary cannot be created."); throw new IOException(
"Empty dictionary " + file.getAbsolutePath() + " cannot be created.");
} }
} }
public void testIsValidDictionary() { public void testIsValidDictionary() {
testIsValidDictionary(3 /* formatVersion */);
testIsValidDictionary(4 /* formatVersion */);
}
private void testIsValidDictionary(final int formatVersion) {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -87,9 +123,14 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testAddUnigramWord() { public void testAddUnigramWord() {
testAddUnigramWord(3 /* formatVersion */);
testAddUnigramWord(4 /* formatVersion */);
}
private void testAddUnigramWord(final int formatVersion) {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -125,13 +166,18 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testRandomlyAddUnigramWord() { public void testRandomlyAddUnigramWord() {
testRandomlyAddUnigramWord(3 /* formatVersion */);
testRandomlyAddUnigramWord(4 /* formatVersion */);
}
private void testRandomlyAddUnigramWord(final int formatVersion) {
final int wordCount = 1000; final int wordCount = 1000;
final int codePointSetSize = 50; final int codePointSetSize = 50;
final long seed = System.currentTimeMillis(); final long seed = System.currentTimeMillis();
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -157,9 +203,14 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testAddBigramWords() { public void testAddBigramWords() {
testAddBigramWords(3 /* formatVersion */);
testAddBigramWords(4 /* formatVersion */);
}
private void testAddBigramWords(final int formatVersion) {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -221,6 +272,11 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testRandomlyAddBigramWords() { public void testRandomlyAddBigramWords() {
testRandomlyAddBigramWords(3 /* formatVersion */);
testRandomlyAddBigramWords(4 /* formatVersion */);
}
private void testRandomlyAddBigramWords(final int formatVersion) {
final int wordCount = 100; final int wordCount = 100;
final int bigramCount = 1000; final int bigramCount = 1000;
final int codePointSetSize = 50; final int codePointSetSize = 50;
@ -229,7 +285,7 @@ public class BinaryDictionaryTests extends AndroidTestCase {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -278,9 +334,14 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testRemoveBigramWords() { public void testRemoveBigramWords() {
testRemoveBigramWords(3 /* formatVersion */);
testRemoveBigramWords(4 /* formatVersion */);
}
private void testRemoveBigramWords(final int formatVersion) {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -324,9 +385,14 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testFlushDictionary() { public void testFlushDictionary() {
testFlushDictionary(3 /* formatVersion */);
testFlushDictionary(4 /* formatVersion */);
}
private void testFlushDictionary(final int formatVersion) {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -372,9 +438,14 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testFlushWithGCDictionary() { public void testFlushWithGCDictionary() {
testFlushWithGCDictionary(3 /* formatVersion */);
testFlushWithGCDictionary(4 /* formatVersion */);
}
private void testFlushWithGCDictionary(final int formatVersion) {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -415,8 +486,13 @@ public class BinaryDictionaryTests extends AndroidTestCase {
dictFile.delete(); dictFile.delete();
} }
// TODO: Evaluate performance of GC
public void testAddBigramWordsAndFlashWithGC() { public void testAddBigramWordsAndFlashWithGC() {
testAddBigramWordsAndFlashWithGC(3 /* formatVersion */);
testAddBigramWordsAndFlashWithGC(4 /* formatVersion */);
}
// TODO: Evaluate performance of GC
private void testAddBigramWordsAndFlashWithGC(final int formatVersion) {
final int wordCount = 100; final int wordCount = 100;
final int bigramCount = 1000; final int bigramCount = 1000;
final int codePointSetSize = 30; final int codePointSetSize = 30;
@ -425,7 +501,7 @@ public class BinaryDictionaryTests extends AndroidTestCase {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -481,6 +557,11 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testRandomOperetionsAndFlashWithGC() { public void testRandomOperetionsAndFlashWithGC() {
testRandomOperetionsAndFlashWithGC(3 /* formatVersion */);
testRandomOperetionsAndFlashWithGC(4 /* formatVersion */);
}
private void testRandomOperetionsAndFlashWithGC(final int formatVersion) {
final int flashWithGCIterationCount = 50; final int flashWithGCIterationCount = 50;
final int operationCountInEachIteration = 200; final int operationCountInEachIteration = 200;
final int initialUnigramCount = 100; final int initialUnigramCount = 100;
@ -494,7 +575,7 @@ public class BinaryDictionaryTests extends AndroidTestCase {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -588,6 +669,11 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testAddManyUnigramsAndFlushWithGC() { public void testAddManyUnigramsAndFlushWithGC() {
testAddManyUnigramsAndFlushWithGC(3 /* formatVersion */);
testAddManyUnigramsAndFlushWithGC(4 /* formatVersion */);
}
private void testAddManyUnigramsAndFlushWithGC(final int formatVersion) {
final int flashWithGCIterationCount = 3; final int flashWithGCIterationCount = 3;
final int codePointSetSize = 50; final int codePointSetSize = 50;
@ -596,7 +682,7 @@ public class BinaryDictionaryTests extends AndroidTestCase {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }
@ -632,6 +718,11 @@ public class BinaryDictionaryTests extends AndroidTestCase {
} }
public void testUnigramAndBigramCount() { public void testUnigramAndBigramCount() {
testUnigramAndBigramCount(3 /* formatVersion */);
testUnigramAndBigramCount(4 /* formatVersion */);
}
private void testUnigramAndBigramCount(final int formatVersion) {
final int flashWithGCIterationCount = 10; final int flashWithGCIterationCount = 10;
final int codePointSetSize = 50; final int codePointSetSize = 50;
final int unigramCountPerIteration = 1000; final int unigramCountPerIteration = 1000;
@ -641,7 +732,7 @@ public class BinaryDictionaryTests extends AndroidTestCase {
File dictFile = null; File dictFile = null;
try { try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary"); dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary", formatVersion);
} catch (IOException e) { } catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e); fail("IOException while writing an initial dictionary : " + e);
} }

342
tests/src/com/android/inputmethod/latin/Ver4BinaryDictionaryTests.java
View File

@ -1,342 +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;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import com.android.inputmethod.latin.makedict.BinaryDictEncoderUtils;
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;
// TODO: Add a test to evaluate the speed of operations of Ver4 dictionary.
@LargeTest
public class Ver4BinaryDictionaryTests extends AndroidTestCase {
private static final String TEST_LOCALE = "test";
private static final String TEST_DICT_FILE_EXTENSION = ".testDict";
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
// Note that dictVersion is different from dictionary format version and it never affects the
// dictionary format.
// TODO: Rename dictVersion to understandable name such as dictRevision.
private File createEmptyDictionaryAndGetTrieFile(final String dictVersion) throws IOException {
final File file = File.createTempFile(dictVersion, TEST_DICT_FILE_EXTENSION,
getContext().getCacheDir());
file.delete();
file.mkdir();
Map<String, String> attributeMap = new HashMap<String, String>();
attributeMap.put(FormatSpec.FileHeader.SUPPORTS_DYNAMIC_UPDATE_ATTRIBUTE,
FormatSpec.FileHeader.ATTRIBUTE_VALUE_TRUE);
if (BinaryDictionary.createEmptyDictFile(file.getAbsolutePath(),
4 /* dictVersion */, attributeMap)) {
return new File(file, FormatSpec.TRIE_FILE_EXTENSION);
} else {
throw new IOException("Empty dictionary " + file.getAbsolutePath() + " "
+ FormatSpec.TRIE_FILE_EXTENSION + " cannot be created.");
}
}
public void testIsValidDictionary() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
assertTrue(binaryDictionary.isValidDictionary());
}
// TODO: Add large tests.
public void testReadProbability() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int frequency = 100;
binaryDictionary.addUnigramWord("a", frequency);
binaryDictionary.addUnigramWord("aaa", frequency);
binaryDictionary.addUnigramWord("ab", frequency);
assertEquals(frequency, binaryDictionary.getFrequency("a"));
assertEquals(frequency, binaryDictionary.getFrequency("aaa"));
assertEquals(frequency, binaryDictionary.getFrequency("ab"));
}
public static int getCalculatedBigramProbabiliy(final BinaryDictionary binaryDictionary,
final int unigramFrequency, final int bigramFrequency) {
final int bigramFrequencyDiff = BinaryDictEncoderUtils.getBigramFrequencyDiff(
unigramFrequency, bigramFrequency);
return binaryDictionary.calculateProbability(unigramFrequency, bigramFrequencyDiff);
}
// TODO: Add large tests.
public void testReadBigrams() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int unigramFrequency = 1;
final int bigramFrequency0 = 10;
final int bigramFrequency1 = 1;
final int bigramFrequency2 = 15;
binaryDictionary.addUnigramWord("a", unigramFrequency);
binaryDictionary.addUnigramWord("aaa", unigramFrequency);
binaryDictionary.addUnigramWord("ab", unigramFrequency);
binaryDictionary.addBigramWords("a", "aaa", bigramFrequency0);
binaryDictionary.addBigramWords("a", "ab", bigramFrequency1);
binaryDictionary.addBigramWords("aaa", "ab", bigramFrequency2);
assertEquals(binaryDictionary.calculateProbability(unigramFrequency,
bigramFrequency0), binaryDictionary.getBigramProbability("a", "aaa"));
assertEquals(binaryDictionary.calculateProbability(unigramFrequency,
bigramFrequency1), binaryDictionary.getBigramProbability("a", "ab"));
assertEquals(binaryDictionary.calculateProbability(unigramFrequency,
bigramFrequency2), binaryDictionary.getBigramProbability("aaa", "ab"));
assertFalse(binaryDictionary.isValidBigram("aaa", "a"));
assertFalse(binaryDictionary.isValidBigram("ab", "a"));
assertFalse(binaryDictionary.isValidBigram("ab", "aaa"));
}
// TODO: Add large tests.
public void testWriteUnigrams() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int probability = 100;
binaryDictionary.addUnigramWord("aaa", probability);
binaryDictionary.addUnigramWord("abc", probability);
binaryDictionary.addUnigramWord("bcd", probability);
binaryDictionary.addUnigramWord("x", probability);
binaryDictionary.addUnigramWord("y", probability);
assertEquals(probability, binaryDictionary.getFrequency("aaa"));
assertEquals(probability, binaryDictionary.getFrequency("abc"));
assertEquals(probability, binaryDictionary.getFrequency("bcd"));
assertEquals(probability, binaryDictionary.getFrequency("x"));
assertEquals(probability, binaryDictionary.getFrequency("y"));
}
public void testWriteBigrams() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int unigramProbability = 100;
final int bigramProbability = 10;
binaryDictionary.addUnigramWord("aaa", unigramProbability);
binaryDictionary.addUnigramWord("abb", unigramProbability);
binaryDictionary.addUnigramWord("bcc", unigramProbability);
binaryDictionary.addBigramWords("aaa", "abb", bigramProbability);
binaryDictionary.addBigramWords("aaa", "bcc", bigramProbability);
binaryDictionary.addBigramWords("abb", "aaa", bigramProbability);
binaryDictionary.addBigramWords("abb", "bcc", bigramProbability);
final int probability = binaryDictionary.calculateProbability(unigramProbability,
bigramProbability);
assertEquals(true, binaryDictionary.isValidBigram("aaa", "abb"));
assertEquals(true, binaryDictionary.isValidBigram("aaa", "bcc"));
assertEquals(true, binaryDictionary.isValidBigram("abb", "aaa"));
assertEquals(true, binaryDictionary.isValidBigram("abb", "bcc"));
assertEquals(probability, binaryDictionary.getBigramProbability("aaa", "abb"));
assertEquals(probability, binaryDictionary.getBigramProbability("aaa", "bcc"));
assertEquals(probability, binaryDictionary.getBigramProbability("abb", "aaa"));
assertEquals(probability, binaryDictionary.getBigramProbability("abb", "bcc"));
}
public void testRemoveBigramWords() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
final BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int unigramProbability = 100;
final int bigramProbability = 10;
binaryDictionary.addUnigramWord("aaa", unigramProbability);
binaryDictionary.addUnigramWord("abb", unigramProbability);
binaryDictionary.addUnigramWord("bcc", unigramProbability);
binaryDictionary.addBigramWords("aaa", "abb", bigramProbability);
binaryDictionary.addBigramWords("aaa", "bcc", bigramProbability);
binaryDictionary.addBigramWords("abb", "aaa", bigramProbability);
binaryDictionary.addBigramWords("abb", "bcc", bigramProbability);
assertEquals(true, binaryDictionary.isValidBigram("aaa", "abb"));
assertEquals(true, binaryDictionary.isValidBigram("aaa", "bcc"));
assertEquals(true, binaryDictionary.isValidBigram("abb", "aaa"));
assertEquals(true, binaryDictionary.isValidBigram("abb", "bcc"));
binaryDictionary.removeBigramWords("aaa", "abb");
assertEquals(false, binaryDictionary.isValidBigram("aaa", "abb"));
binaryDictionary.addBigramWords("aaa", "abb", bigramProbability);
assertEquals(true, binaryDictionary.isValidBigram("aaa", "abb"));
binaryDictionary.removeBigramWords("aaa", "bcc");
assertEquals(false, binaryDictionary.isValidBigram("aaa", "bcc"));
binaryDictionary.removeBigramWords("abb", "aaa");
assertEquals(false, binaryDictionary.isValidBigram("abb", "aaa"));
binaryDictionary.removeBigramWords("abb", "bcc");
assertEquals(false, binaryDictionary.isValidBigram("abb", "bcc"));
binaryDictionary.removeBigramWords("aaa", "abb");
// Test remove non-existing bigram operation.
binaryDictionary.removeBigramWords("aaa", "abb");
binaryDictionary.removeBigramWords("bcc", "aaa");
}
public void testFlushDictionary() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int probability = 100;
binaryDictionary.addUnigramWord("aaa", probability);
binaryDictionary.addUnigramWord("abcd", probability);
// Close without flushing.
binaryDictionary.close();
binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
assertEquals(Dictionary.NOT_A_PROBABILITY, binaryDictionary.getFrequency("aaa"));
assertEquals(Dictionary.NOT_A_PROBABILITY, binaryDictionary.getFrequency("abcd"));
binaryDictionary.addUnigramWord("aaa", probability);
binaryDictionary.addUnigramWord("abcd", probability);
binaryDictionary.flush();
binaryDictionary.close();
binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
assertEquals(probability, binaryDictionary.getFrequency("aaa"));
assertEquals(probability, binaryDictionary.getFrequency("abcd"));
binaryDictionary.addUnigramWord("bcde", probability);
binaryDictionary.flush();
binaryDictionary.close();
binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
assertEquals(probability, binaryDictionary.getFrequency("bcde"));
binaryDictionary.close();
}
public void testFlushWithGCDictionary() {
final String dictVersion = Long.toString(System.currentTimeMillis());
File trieFile = null;
try {
trieFile = createEmptyDictionaryAndGetTrieFile(dictVersion);
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
BinaryDictionary binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int unigramProbability = 100;
final int bigramProbability = 10;
binaryDictionary.addUnigramWord("aaa", unigramProbability);
binaryDictionary.addUnigramWord("abb", unigramProbability);
binaryDictionary.addUnigramWord("bcc", unigramProbability);
binaryDictionary.addBigramWords("aaa", "abb", bigramProbability);
binaryDictionary.addBigramWords("aaa", "bcc", bigramProbability);
binaryDictionary.addBigramWords("abb", "aaa", bigramProbability);
binaryDictionary.addBigramWords("abb", "bcc", bigramProbability);
binaryDictionary.flushWithGC();
binaryDictionary.close();
binaryDictionary = new BinaryDictionary(trieFile.getAbsolutePath(),
0 /* offset */, trieFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int probability = binaryDictionary.calculateProbability(unigramProbability,
bigramProbability);
assertEquals(unigramProbability, binaryDictionary.getFrequency("aaa"));
assertEquals(unigramProbability, binaryDictionary.getFrequency("abb"));
assertEquals(unigramProbability, binaryDictionary.getFrequency("bcc"));
assertEquals(probability, binaryDictionary.getBigramProbability("aaa", "abb"));
assertEquals(probability, binaryDictionary.getBigramProbability("aaa", "bcc"));
assertEquals(probability, binaryDictionary.getBigramProbability("abb", "aaa"));
assertEquals(probability, binaryDictionary.getBigramProbability("abb", "bcc"));
assertEquals(false, binaryDictionary.isValidBigram("bcc", "aaa"));
assertEquals(false, binaryDictionary.isValidBigram("bcc", "bbc"));
assertEquals(false, binaryDictionary.isValidBigram("aaa", "aaa"));
binaryDictionary.flushWithGC();
binaryDictionary.close();
}
}