content: /*
   * Copyright (C) 2018 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.remote;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import static org.testng.Assert.expectThrows;
  
  import android.platform.test.annotations.Presubmit;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.robolectric.RobolectricTestRunner;
  
  @RunWith(RobolectricTestRunner.class)
  @Presubmit
  public class RemoteResultTest {
      @Test
      public void testIsPresent_whenNonFailedResult_returnsTrue() {
          RemoteResult result = RemoteResult.of(3);
  
          boolean isPresent = result.isPresent();
  
          assertThat(isPresent).isTrue();
      }
  
      @Test
      public void testIsPresent_whenTimeOutResult_returnsFalse() {
          boolean timeOutIsPresent = RemoteResult.FAILED_TIMED_OUT.isPresent();
  
          assertThat(timeOutIsPresent).isFalse();
      }
  
      @Test
      public void testIsPresent_whenCancelledResult_returnsFalse() {
          boolean cancelledIsPresent = RemoteResult.FAILED_CANCELLED.isPresent();
  
          assertThat(cancelledIsPresent).isFalse();
      }
  
      @Test
      public void testIsPresent_whenThreadInterruptedResult_returnsFalse() {
          boolean threadInterruptedIsPresent = RemoteResult.FAILED_THREAD_INTERRUPTED.isPresent();
  
          assertThat(threadInterruptedIsPresent).isFalse();
      }
  
      @Test
      public void testGet_whenSuccessfulResult_returnsValue() {
          RemoteResult result = RemoteResult.of(7);
  
          long value = result.get();
  
          assertThat(value).isEqualTo(7);
      }
  
      @Test
      public void testGet_whenFailedResult_throws() {
          RemoteResult result = RemoteResult.FAILED_TIMED_OUT;
  
          expectThrows(IllegalStateException.class, result::get);
      }
  
      @Test
      public void testToString() {
          assertThat(RemoteResult.of(3).toString()).isEqualTo("RemoteResult{3}");
          assertThat(RemoteResult.FAILED_TIMED_OUT.toString())
                  .isEqualTo("RemoteResult{FAILED_TIMED_OUT}");
          assertThat(RemoteResult.FAILED_CANCELLED.toString())
                  .isEqualTo("RemoteResult{FAILED_CANCELLED}");
          assertThat(RemoteResult.FAILED_THREAD_INTERRUPTED.toString())
                  .isEqualTo("RemoteResult{FAILED_THREAD_INTERRUPTED}");
      }
  
      @Test
      public void testEquals() {
          assertThat(RemoteResult.of(3).equals(RemoteResult.of(3))).isTrue();
          assertThat(RemoteResult.of(3).equals(RemoteResult.of(7))).isFalse();
          assertThat(RemoteResult.of(-1).equals(RemoteResult.of(1))).isFalse();
          assertThat(RemoteResult.of(Long.MAX_VALUE).equals(RemoteResult.of(-1)))
                  .isFalse();
          assertThat(RemoteResult.of(3).equals(RemoteResult.FAILED_TIMED_OUT)).isFalse();
          assertThat(RemoteResult.of(3).equals("3")).isFalse();
          assertThat(RemoteResult.of(3).equals(null)).isFalse();
          assertThat(RemoteResult.FAILED_TIMED_OUT.equals(RemoteResult.FAILED_TIMED_OUT)).isTrue();
          assertThat(RemoteResult.FAILED_TIMED_OUT.equals(RemoteResult.FAILED_CANCELLED)).isFalse();
      }
  
      /** @see Object#hashCode() */
      @Test
      public void testHashCode() {
          RemoteResult result3 = RemoteResult.of(3);
          assertThat(result3.hashCode()).isEqualTo(result3.hashCode());
          assertThat(result3.hashCode()).isEqualTo(RemoteResult.of(3).hashCode());
          assertThat(RemoteResult.FAILED_TIMED_OUT.hashCode())
                  .isEqualTo(RemoteResult.FAILED_TIMED_OUT.hashCode());
          assertThat(RemoteResult.FAILED_CANCELLED.hashCode())
                  .isEqualTo(RemoteResult.FAILED_CANCELLED.hashCode());
          assertThat(RemoteResult.FAILED_THREAD_INTERRUPTED.hashCode())
                  .isEqualTo(RemoteResult.FAILED_THREAD_INTERRUPTED.hashCode());
      }
  }
  