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Add a large test for BinaryDictionary.addBigramWords(). 

Bug; 10197478

Change-Id: I52590dd1ff9469557672a4bef4f898ad94b47b6f
main
Keisuke Kuroyanagi 2013-09-17 15:32:37 +09:00
parent 280fb1a14e
commit 71cce2dd3e
1 changed files with 53 additions and 0 deletions
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53
tests/src/com/android/inputmethod/latin/BinaryDictionaryTests.java
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@ -29,6 +29,7 @@ import com.android.inputmethod.latin.makedict.Ver3DictEncoder;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.Random;
@ -197,4 +198,56 @@ public class BinaryDictionaryTests extends AndroidTestCase {
dictFile.delete();
}
public void testRandomlyAddBigramWords() {
// TODO: Add a test to check the frequency of the bigram score which uses current value
// calculated in the native code
final int wordCount = 100;
final int bigramCount = 1000;
final int codePointSetSize = 50;
final int seed = 11111;
File dictFile = null;
try {
dictFile = createEmptyDictionaryAndGetFile("TestBinaryDictionary");
} catch (IOException e) {
fail("IOException while writing an initial dictionary : " + e);
} catch (UnsupportedFormatException e) {
fail("UnsupportedFormatException 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 ArrayList<String> words = new ArrayList<String>();
// Test a word that isn't contained within the dictionary.
final Random random = new Random(seed);
final int[] codePointSet = CodePointUtils.generateCodePointSet(codePointSetSize, random);
final int unigramProbability = 100;
final int bigramProbability = 10;
for (int i = 0; i < wordCount; ++i) {
final String word = CodePointUtils.generateWord(random, codePointSet);
words.add(word);
binaryDictionary.addUnigramWord(word, unigramProbability);
}
final boolean[][] bigramRelations = new boolean[wordCount][wordCount];
for (int i = 0; i < bigramCount; i++) {
final int word0Index = random.nextInt(wordCount);
final int word1Index = random.nextInt(wordCount);
final String word0 = words.get(word0Index);
final String word1 = words.get(word1Index);
bigramRelations[word0Index][word1Index] = true;
binaryDictionary.addBigramWords(word0, word1, bigramProbability);
}
for (int i = 0; i < words.size(); i++) {
for (int j = 0; j < words.size(); j++) {
assertEquals(bigramRelations[i][j],
binaryDictionary.isValidBigram(words.get(i), words.get(j)));
}
}
dictFile.delete();
}
}