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Add a large test adding bigrams for decaying dictionary. 

Bug: 10197478
Change-Id: I34d3c21bd7f70885a3031ce91a4d4c4ba3564856
main
Keisuke Kuroyanagi 2013-10-08 12:43:58 +09:00
parent cfb018ba6d
commit a2821fde60
1 changed files with 73 additions and 1 deletions
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74
tests/src/com/android/inputmethod/latin/BinaryDictionaryDecayingTests.java
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@ -18,6 +18,7 @@ package com.android.inputmethod.latin;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.util.Pair;
import com.android.inputmethod.latin.makedict.CodePointUtils;
import com.android.inputmethod.latin.makedict.FormatSpec;
@ -124,11 +125,16 @@ public class BinaryDictionaryDecayingTests extends AndroidTestCase {
binaryDictionary.addBigramWords("a", "c", DUMMY_PROBABILITY);
assertTrue(binaryDictionary.isValidBigram("a", "c"));
// Add bigrams of not valid unigrams.
binaryDictionary.addBigramWords("x", "y", Dictionary.NOT_A_PROBABILITY);
assertFalse(binaryDictionary.isValidBigram("x", "y"));
binaryDictionary.addBigramWords("x", "y", DUMMY_PROBABILITY);
assertFalse(binaryDictionary.isValidBigram("x", "y"));
binaryDictionary.close();
dictFile.delete();
}
// TODO: Add large tests.
public void testDecayingProbability() {
File dictFile = null;
try {
@ -233,4 +239,70 @@ public class BinaryDictionaryDecayingTests extends AndroidTestCase {
assertTrue(Integer.parseInt(binaryDictionary.getPropertyForTests(
BinaryDictionary.UNIGRAM_COUNT_QUERY)) <= maxUnigramCount);
}
public void testAddManyBigramsToDecayingDict() {
final int unigramCount = 5000;
final int bigramCount = 30000;
final int bigramTypedCount = 100000;
final int codePointSetSize = 50;
final long seed = System.currentTimeMillis();
final Random random = new Random(seed);
File dictFile = null;
try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary");
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
}
BinaryDictionary binaryDictionary = new BinaryDictionary(dictFile.getAbsolutePath(),
0 /* offset */, dictFile.length(), true /* useFullEditDistance */,
Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */);
final int[] codePointSet = CodePointUtils.generateCodePointSet(codePointSetSize, random);
final ArrayList<String> words = new ArrayList<String>();
final ArrayList<Pair<String, String>> bigrams = new ArrayList<Pair<String, String>>();
for (int i = 0; i < unigramCount; ++i) {
final String word = CodePointUtils.generateWord(random, codePointSet);
words.add(word);
}
for (int i = 0; i < bigramCount; ++i) {
final int word0Index = random.nextInt(words.size());
int word1Index = random.nextInt(words.size() - 1);
if (word1Index >= word0Index) {
word1Index += 1;
}
final String word0 = words.get(word0Index);
final String word1 = words.get(word1Index);
final Pair<String, String> bigram = new Pair<String, String>(word0, word1);
bigrams.add(bigram);
}
final int maxBigramCount = Integer.parseInt(
binaryDictionary.getPropertyForTests(BinaryDictionary.MAX_BIGRAM_COUNT_QUERY));
for (int i = 0; i < bigramTypedCount; ++i) {
final Pair<String, String> bigram = bigrams.get(random.nextInt(bigrams.size()));
binaryDictionary.addUnigramWord(bigram.first, DUMMY_PROBABILITY);
binaryDictionary.addUnigramWord(bigram.second, DUMMY_PROBABILITY);
binaryDictionary.addBigramWords(bigram.first, bigram.second, DUMMY_PROBABILITY);
if (binaryDictionary.needsToRunGC(true /* mindsBlockByGC */)) {
final int bigramCountBeforeGC =
Integer.parseInt(binaryDictionary.getPropertyForTests(
BinaryDictionary.BIGRAM_COUNT_QUERY));
while (binaryDictionary.needsToRunGC(true /* mindsBlockByGC */)) {
binaryDictionary.flushWithGC();
}
final int bigramCountAfterGC =
Integer.parseInt(binaryDictionary.getPropertyForTests(
BinaryDictionary.BIGRAM_COUNT_QUERY));
assertTrue(bigramCountBeforeGC > bigramCountAfterGC);
}
}
assertTrue(Integer.parseInt(binaryDictionary.getPropertyForTests(
BinaryDictionary.BIGRAM_COUNT_QUERY)) > 0);
assertTrue(Integer.parseInt(binaryDictionary.getPropertyForTests(
BinaryDictionary.BIGRAM_COUNT_QUERY)) <= maxBigramCount);
}
}