content: /*
   * Copyright (C) 2022 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.espresso.action;
  
  import static android.view.MotionEvent.ACTION_DOWN;
  import static android.view.MotionEvent.ACTION_MOVE;
  import static android.view.MotionEvent.ACTION_UP;
  import static com.google.common.truth.Truth.assertWithMessage;
  
  import android.os.Build;
  import android.view.InputDevice;
  import android.view.MotionEvent;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import androidx.test.filters.SmallTest;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  @SmallTest
  @RunWith(AndroidJUnit4.class)
  public class MotionEventsUnitTest {
    private static final float[] PRECISION = new float[] {1f, 2f};
    private static final float[] COORDINATES = new float[] {10f, 20f};
    private static final float[] COORDINATES_1 = new float[] {30f, 40f};
    private static final int BUTTON_STATE = 12;
  
    private static final int DEFAULT_BUTTON_STATE = MotionEvent.BUTTON_PRIMARY;
    /**
     * This is the default source for events generated by Espresso. The Android platform's default
     * source for events obtained through {@link MotionEvent#obtain} may be different.
     */
    private static final int DEFAULT_SOURCE = InputDevice.SOURCE_UNKNOWN;
  
    private static final int DEFAULT_TOOL_TYPE = MotionEvent.TOOL_TYPE_UNKNOWN;
  
    private static void verifyEvent(
        MotionEvent event,
        int action,
        long downTime,
        float[] coords,
        float[] precision,
        int source,
        int buttonState,
        int toolType) {
      assertWithMessage("not null").that(event).isNotNull();
      assertWithMessage("action").that(event.getAction()).isEqualTo(action);
      assertWithMessage("down time").that(event.getDownTime()).isEqualTo(downTime);
      assertWithMessage("X").that(event.getX()).isEqualTo(coords[0]);
      assertWithMessage("Y").that(event.getY()).isEqualTo(coords[1]);
      assertWithMessage("X precision").that(event.getXPrecision()).isEqualTo(precision[0]);
      assertWithMessage("Y precision").that(event.getYPrecision()).isEqualTo(precision[1]);
      assertWithMessage("source").that(event.getSource()).isEqualTo(source);
      assertWithMessage("button state").that(event.getButtonState()).isEqualTo(buttonState);
      assertWithMessage("tool type").that(event.getToolType(0)).isEqualTo(toolType);
    }
  
    @Test
    public void testObtainDown() {
      final MotionEvent event = MotionEvents.obtainDownEvent(COORDINATES, PRECISION);
      verifyEvent(
          event,
          ACTION_DOWN,
          event.getEventTime(),
          COORDINATES,
          PRECISION,
          DEFAULT_SOURCE,
          DEFAULT_BUTTON_STATE,
          DEFAULT_TOOL_TYPE);
    }
  
    @Test
    public void testObtainDownWithCustomSource() {
      final MotionEvent event =
          MotionEvents.obtainDownEvent(
              COORDINATES, PRECISION, InputDevice.SOURCE_MOUSE, BUTTON_STATE);
      verifyEvent(
          event,
          ACTION_DOWN,
          event.getEventTime(),
          COORDINATES,
          PRECISION,
          InputDevice.SOURCE_MOUSE,
          BUTTON_STATE,
          MotionEvent.TOOL_TYPE_MOUSE);
    }
  
    @Test
    public void testObtainMovement() {
      final MotionEvent down =
          MotionEvents.obtainDownEvent(
              COORDINATES, PRECISION, InputDevice.SOURCE_MOUSE, BUTTON_STATE);
      final MotionEvent move = MotionEvents.obtainMovement(down, COORDINATES_1);
      verifyEvent(
          move,
          ACTION_MOVE,
          down.getEventTime(),
          COORDINATES_1,
          PRECISION,
          InputDevice.SOURCE_MOUSE,
          BUTTON_STATE,
          MotionEvent.TOOL_TYPE_MOUSE);
    }
  
    @Test
    public void testObtainUp() {
      final MotionEvent down =
          MotionEvents.obtainDownEvent(
              COORDINATES, PRECISION, InputDevice.SOURCE_MOUSE, BUTTON_STATE);
      final MotionEvent up = MotionEvents.obtainUpEvent(down, COORDINATES_1);
      verifyEvent(
          up,
          ACTION_UP,
          down.getEventTime(),
          COORDINATES_1,
          PRECISION,
          InputDevice.SOURCE_MOUSE,
          BUTTON_STATE,
          MotionEvent.TOOL_TYPE_MOUSE);
    }
  
    /** Regression test for #1458 */
    @Test
    public void testObtainUp_toolTypeFromDownEvent() {
      final MotionEvent down =
          MotionEvents.obtainDownEvent(
              COORDINATES, PRECISION, InputDevice.SOURCE_TOUCHSCREEN, BUTTON_STATE);
      // toolType here will be TOOL_TYPE_FINGER, but lets reset source
      down.setSource(InputDevice.SOURCE_UNKNOWN);
      final MotionEvent up = MotionEvents.obtainUpEvent(down, COORDINATES_1);
      verifyEvent(
          up,
          ACTION_UP,
          down.getEventTime(),
          COORDINATES_1,
          PRECISION,
          InputDevice.SOURCE_UNKNOWN,
          BUTTON_STATE,
          MotionEvent.TOOL_TYPE_FINGER);
    }
  
    /** Regression test for #1840 */
    @Test
    @SuppressWarnings("deprecation") // Intentionally testing a deprecated but supported method.
    public void testObtainMovement_deprecated() {
      final MotionEvent move = MotionEvents.obtainMovement(100L, 100L, COORDINATES);
      var expectedSource =
          (Build.VERSION.SDK_INT < Build.VERSION_CODES.S_V2)
              ? InputDevice.SOURCE_CLASS_NONE
              : InputDevice.SOURCE_CLASS_POINTER;
      verifyEvent(
          move,
          ACTION_MOVE,
          100L, // Arbitrary value we set when calling obtainMovement.
          COORDINATES,
          new float[] {
            1f, 1f
          }, // Since we are evaluating obtainMovement we have the default precision.
          expectedSource, // obtainMovement defaults to this.
          MotionEvent.CLASSIFICATION_NONE, // The buttonState defaults to this.
          MotionEvent.CLASSIFICATION_NONE); // The toolType defaults to this.
    }
  }
  