LatinIME/native/jni/tests/dictionary/structure/v4/content/language_model_dict_content...

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5.3 KiB
C++

/*
* 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.
*/
#include "dictionary/structure/v4/content/language_model_dict_content.h"
#include <gtest/gtest.h>
#include <array>
#include <unordered_set>
#include "utils/int_array_view.h"
namespace latinime {
namespace {
TEST(LanguageModelDictContentTest, TestUnigramProbability) {
LanguageModelDictContent languageModelDictContent(false /* useHistoricalInfo */);
const int flag = 0xF0;
const int probability = 10;
const int wordId = 100;
const ProbabilityEntry probabilityEntry(flag, probability);
languageModelDictContent.setProbabilityEntry(wordId, &probabilityEntry);
const ProbabilityEntry entry =
languageModelDictContent.getProbabilityEntry(wordId);
EXPECT_EQ(flag, entry.getFlags());
EXPECT_EQ(probability, entry.getProbability());
// Remove
EXPECT_TRUE(languageModelDictContent.removeProbabilityEntry(wordId));
EXPECT_FALSE(languageModelDictContent.getProbabilityEntry(wordId).isValid());
EXPECT_FALSE(languageModelDictContent.removeProbabilityEntry(wordId));
EXPECT_TRUE(languageModelDictContent.setProbabilityEntry(wordId, &probabilityEntry));
EXPECT_TRUE(languageModelDictContent.getProbabilityEntry(wordId).isValid());
}
TEST(LanguageModelDictContentTest, TestUnigramProbabilityWithHistoricalInfo) {
LanguageModelDictContent languageModelDictContent(true /* useHistoricalInfo */);
const int flag = 0xF0;
const int timestamp = 0x3FFFFFFF;
const int count = 10;
const int wordId = 100;
const HistoricalInfo historicalInfo(timestamp, 0 /* level */, count);
const ProbabilityEntry probabilityEntry(flag, &historicalInfo);
languageModelDictContent.setProbabilityEntry(wordId, &probabilityEntry);
const ProbabilityEntry entry = languageModelDictContent.getProbabilityEntry(wordId);
EXPECT_EQ(flag, entry.getFlags());
EXPECT_EQ(timestamp, entry.getHistoricalInfo()->getTimestamp());
EXPECT_EQ(count, entry.getHistoricalInfo()->getCount());
// Remove
EXPECT_TRUE(languageModelDictContent.removeProbabilityEntry(wordId));
EXPECT_FALSE(languageModelDictContent.getProbabilityEntry(wordId).isValid());
EXPECT_FALSE(languageModelDictContent.removeProbabilityEntry(wordId));
EXPECT_TRUE(languageModelDictContent.setProbabilityEntry(wordId, &probabilityEntry));
EXPECT_TRUE(languageModelDictContent.removeProbabilityEntry(wordId));
}
TEST(LanguageModelDictContentTest, TestIterateProbabilityEntry) {
LanguageModelDictContent languageModelDictContent(false /* useHistoricalInfo */);
const ProbabilityEntry originalEntry(0xFC, 100);
const int wordIds[] = { 1, 2, 3, 4, 5 };
for (const int wordId : wordIds) {
languageModelDictContent.setProbabilityEntry(wordId, &originalEntry);
}
std::unordered_set<int> wordIdSet(std::begin(wordIds), std::end(wordIds));
for (const auto& entry : languageModelDictContent.getProbabilityEntries(WordIdArrayView())) {
EXPECT_EQ(originalEntry.getFlags(), entry.getProbabilityEntry().getFlags());
EXPECT_EQ(originalEntry.getProbability(), entry.getProbabilityEntry().getProbability());
wordIdSet.erase(entry.getWordId());
}
EXPECT_TRUE(wordIdSet.empty());
}
TEST(LanguageModelDictContentTest, TestGetWordProbability) {
LanguageModelDictContent languageModelDictContent(false /* useHistoricalInfo */);
const int flag = 0xFF;
const int probability = 10;
const int bigramProbability = 20;
const int trigramProbability = 30;
const int wordId = 100;
const std::array<int, 2> prevWordIdArray = {{ 1, 2 }};
const WordIdArrayView prevWordIds = WordIdArrayView::fromArray(prevWordIdArray);
const ProbabilityEntry probabilityEntry(flag, probability);
languageModelDictContent.setProbabilityEntry(wordId, &probabilityEntry);
const ProbabilityEntry bigramProbabilityEntry(flag, bigramProbability);
languageModelDictContent.setProbabilityEntry(prevWordIds[0], &probabilityEntry);
languageModelDictContent.setNgramProbabilityEntry(prevWordIds.limit(1), wordId,
&bigramProbabilityEntry);
EXPECT_EQ(bigramProbability, languageModelDictContent.getWordAttributes(prevWordIds, wordId,
false /* mustMatchAllPrevWords */, nullptr /* headerPolicy */).getProbability());
const ProbabilityEntry trigramProbabilityEntry(flag, trigramProbability);
languageModelDictContent.setNgramProbabilityEntry(prevWordIds.limit(1),
prevWordIds[1], &probabilityEntry);
languageModelDictContent.setNgramProbabilityEntry(prevWordIds.limit(2), wordId,
&trigramProbabilityEntry);
EXPECT_EQ(trigramProbability, languageModelDictContent.getWordAttributes(prevWordIds, wordId,
false /* mustMatchAllPrevWords */, nullptr /* headerPolicy */).getProbability());
}
} // namespace
} // namespace latinime