content: /*
   * Copyright (C) 2016 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.launcher3.allapps.search;
  
  import android.content.ComponentName;
  import android.support.test.runner.AndroidJUnit4;
  
  import com.android.launcher3.AppInfo;
  import com.android.launcher3.Utilities;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Unit tests for {@link DefaultAppSearchAlgorithm}
   */
  @RunWith(AndroidJUnit4.class)
  public class DefaultAppSearchAlgorithmTest {
      private static final DefaultAppSearchAlgorithm.StringMatcher MATCHER =
              DefaultAppSearchAlgorithm.StringMatcher.getInstance();
  
      @Test
      public void testMatches() {
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("white cow"), "cow", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("whiteCow"), "cow", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("whiteCOW"), "cow", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("whitecowCOW"), "cow", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("white2cow"), "cow", MATCHER));
  
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("whitecow"), "cow", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("whitEcow"), "cow", MATCHER));
  
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("whitecowCow"), "cow", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("whitecow cow"), "cow", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("whitecowcow"), "cow", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("whit ecowcow"), "cow", MATCHER));
  
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("cats&dogs"), "dog", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("cats&Dogs"), "dog", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("cats&Dogs"), "&", MATCHER));
  
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("2+43"), "43", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("2+43"), "3", MATCHER));
  
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("Q"), "q", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("  Q"), "q", MATCHER));
  
          // match lower case words
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("elephant"), "e", MATCHER));
  
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("电子邮件"), "电", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("电子邮件"), "电子", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("电子邮件"), "子", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("电子邮件"), "邮件", MATCHER));
  
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("Bot"), "ba", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("bot"), "ba", MATCHER));
      }
  
      @Test
      public void testMatchesVN() {
          if (!Utilities.ATLEAST_NOUGAT) {
              return;
          }
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("다운로드"), "다", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("드라이브"), "드", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("다운로드 드라이브"), "ㄷ", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("운로 드라이브"), "ㄷ", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("abc"), "åbç", MATCHER));
          assertTrue(DefaultAppSearchAlgorithm.matches(getInfo("Alpha"), "ål", MATCHER));
  
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("다운로드 드라이브"), "ㄷㄷ", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("로드라이브"), "ㄷ", MATCHER));
          assertFalse(DefaultAppSearchAlgorithm.matches(getInfo("abc"), "åç", MATCHER));
      }
  
      private AppInfo getInfo(String title) {
          AppInfo info = new AppInfo();
          info.title = title;
          info.componentName = new ComponentName("Test", title);
          return info;
      }
  }
  