content: /*
   * Copyright (C) 2019 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.server.backup;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import android.annotation.UserIdInt;
  import android.os.UserHandle;
  import android.platform.test.annotations.Presubmit;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.robolectric.RobolectricTestRunner;
  import static org.testng.Assert.expectThrows;
  
  @RunWith(RobolectricTestRunner.class)
  @Presubmit
  public class JobIdManagerTest {
      private static final int MIN_JOB_ID = 10;
      private static final int MAX_JOB_ID = 20;
  
      @UserIdInt private int mUserOneId;
      @UserIdInt private int mUserTwoId;
  
      @Before
      public void setUp() {
          mUserOneId = UserHandle.USER_SYSTEM;
          mUserTwoId = mUserOneId + 1;
      }
  
      @Test
      public void testGetJobIdForUserId_returnsDifferentJobIdsForDifferentUsers() {
          int jobIdOne = JobIdManager.getJobIdForUserId(MIN_JOB_ID, MAX_JOB_ID, mUserOneId);
          int jobIdTwo = JobIdManager.getJobIdForUserId(MIN_JOB_ID, MAX_JOB_ID, mUserTwoId);
  
          assertThat(jobIdOne).isNotEqualTo(jobIdTwo);
      }
  
      @Test
      public void testGetJobIdForUserId_returnsSameJobIdForSameUser() {
          int jobIdOne = JobIdManager.getJobIdForUserId(MIN_JOB_ID, MAX_JOB_ID, mUserOneId);
          int jobIdTwo = JobIdManager.getJobIdForUserId(MIN_JOB_ID, MAX_JOB_ID, mUserOneId);
  
          assertThat(jobIdOne).isEqualTo(jobIdTwo);
      }
  
      @Test
      public void testGetJobIdForUserId_throwsExceptionIfRangeIsExceeded() {
          expectThrows(
                  RuntimeException.class,
                  () -> JobIdManager.getJobIdForUserId(MIN_JOB_ID, MAX_JOB_ID,
                          MAX_JOB_ID + 1));
      }
  }
  