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 androidx.test.ext.truth.location;
  
  import android.location.Location;
  import android.os.Build.VERSION;
  import android.os.Build.VERSION_CODES;
  import com.google.common.base.Objects;
  import com.google.common.truth.Correspondence;
  
  /**
   * Collection of {@link com.google.common.truth.Correspondence} helpers for asserting lists of
   * {@link Location}s.
   *
   * @see com.google.common.truth.IterableSubject#comparingElementsUsing(Correspondence)
   */
  public final class LocationCorrespondences {
  
    public static Correspondence<Location, Location> equality() {
      return Correspondence.from(
          (actual, expected) -> {
            if (VERSION.SDK_INT >= VERSION_CODES.S) {
              // from android S+, Location.equals() is well defined
              return Objects.equal(actual, expected);
            }
  
            if (actual == expected) {
              return true;
            }
            if (actual == null || expected == null) {
              return false;
            }
            if (!Objects.equal(actual.getProvider(), expected.getProvider())) {
              return false;
            }
            if (actual.getTime() != expected.getTime()) {
              return false;
            }
            if (actual.getElapsedRealtimeNanos() != expected.getElapsedRealtimeNanos()) {
              return false;
            }
            if (actual.getLatitude() != expected.getLatitude()) {
              return false;
            }
            if (actual.getLongitude() != expected.getLongitude()) {
              return false;
            }
            if (actual.getAltitude() != expected.getAltitude()) {
              return false;
            }
            if (actual.getSpeed() != expected.getSpeed()) {
              return false;
            }
            if (actual.getBearing() != expected.getBearing()) {
              return false;
            }
            if (actual.getAccuracy() != expected.getAccuracy()) {
              return false;
            }
            if (VERSION.SDK_INT >= VERSION_CODES.O) {
              if (actual.getVerticalAccuracyMeters() != expected.getVerticalAccuracyMeters()) {
                return false;
              }
              if (actual.getSpeedAccuracyMetersPerSecond()
                  != expected.getSpeedAccuracyMetersPerSecond()) {
                return false;
              }
              if (actual.getBearingAccuracyDegrees() != expected.getBearingAccuracyDegrees()) {
                return false;
              }
            }
            return true;
          },
          "is equal to");
    }
  
    public static Correspondence<Location, Location> at() {
      return Correspondence.from(
          (actual, expected) ->
              actual.getLatitude() == expected.getLatitude()
                  && actual.getLongitude() == expected.getLongitude(),
          "has lat/lon at");
    }
  
    public static Correspondence<Location, Location> nearby(float distanceM) {
      return Correspondence.from(
          (actual, expected) -> actual.distanceTo(expected) <= distanceM, "has lat/lon near");
    }
  
    private LocationCorrespondences() {}
  }
  