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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "dictionary/structure/v4/content/language_model_dict_content_global_counters.h"
     18 
     19 #include <gtest/gtest.h>
     20 
     21 #include "dictionary/structure/v4/ver4_dict_constants.h"
     22 
     23 namespace latinime {
     24 namespace {
     25 
     26 TEST(LanguageModelDictContentGlobalCountersTest, TestUpdateMaxValueOfCounters) {
     27     LanguageModelDictContentGlobalCounters globalCounters;
     28 
     29     EXPECT_FALSE(globalCounters.needsToHalveCounters());
     30     globalCounters.updateMaxValueOfCounters(10);
     31     EXPECT_FALSE(globalCounters.needsToHalveCounters());
     32     const int count = (1 << (Ver4DictConstants::WORD_COUNT_FIELD_SIZE * CHAR_BIT)) - 1;
     33     globalCounters.updateMaxValueOfCounters(count);
     34     EXPECT_TRUE(globalCounters.needsToHalveCounters());
     35     globalCounters.halveCounters();
     36     EXPECT_FALSE(globalCounters.needsToHalveCounters());
     37 }
     38 
     39 TEST(LanguageModelDictContentGlobalCountersTest, TestIncrementTotalCount) {
     40     LanguageModelDictContentGlobalCounters globalCounters;
     41 
     42     EXPECT_EQ(0, globalCounters.getTotalCount());
     43     globalCounters.incrementTotalCount();
     44     EXPECT_EQ(1, globalCounters.getTotalCount());
     45     for (int i = 1; i < 50; ++i) {
     46         globalCounters.incrementTotalCount();
     47     }
     48     EXPECT_EQ(50, globalCounters.getTotalCount());
     49     globalCounters.halveCounters();
     50     EXPECT_EQ(25, globalCounters.getTotalCount());
     51     globalCounters.halveCounters();
     52     EXPECT_EQ(12, globalCounters.getTotalCount());
     53     for (int i = 0; i < 4; ++i) {
     54         globalCounters.halveCounters();
     55     }
     56     EXPECT_EQ(0, globalCounters.getTotalCount());
     57 }
     58 
     59 }  // namespace
     60 }  // namespace latinime
     61