core/tests/coretests/src/android/view/contentcapture/ContentCaptureEventTest.java - platform/frameworks/base - Gitiles

 /*
  * 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 android.view.contentcapture;

 import static android.view.contentcapture.ContentCaptureEvent.TYPE_CONTEXT_UPDATED;
 import static android.view.contentcapture.ContentCaptureEvent.TYPE_SESSION_FINISHED;
 import static android.view.contentcapture.ContentCaptureEvent.TYPE_SESSION_STARTED;
 import static android.view.contentcapture.ContentCaptureEvent.TYPE_VIEW_DISAPPEARED;
 import static android.view.contentcapture.ContentCaptureEvent.TYPE_VIEW_TEXT_CHANGED;

 import static com.google.common.truth.Truth.assertThat;

 import static org.testng.Assert.assertThrows;

 import android.content.LocusId;
 import android.os.Parcel;
 import android.os.SystemClock;
 import android.view.autofill.AutofillId;

 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

 import java.util.ArrayList;

 /**
  * Unit test for {@link ContentCaptureEvent}.
  *
  * <p>To run it:
  * {@code atest FrameworksCoreTests:android.view.contentcapture.ContentCaptureEventTest}
  */
 @RunWith(JUnit4.class)
 public class ContentCaptureEventTest {

     private static final long MY_EPOCH = SystemClock.uptimeMillis();

     private static final LocusId ID = new LocusId("WHATEVER");

     // Not using @Mock because it's final - no need to be fancy here....
     private final ContentCaptureContext mClientContext =
             new ContentCaptureContext.Builder(ID).build();

     @Test
     public void testSetAutofillId_null() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         assertThrows(NullPointerException.class, () -> event.setAutofillId(null));
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).isNull();
     }

     @Test
     public void testSetAutofillIds_null() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         assertThrows(NullPointerException.class, () -> event.setAutofillIds(null));
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).isNull();
     }

     @Test
     public void testAddAutofillId_null() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         assertThrows(NullPointerException.class, () -> event.addAutofillId(null));
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).isNull();
     }

     @Test
     public void testSetAutofillId() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         final AutofillId id = new AutofillId(108);
         event.setAutofillId(id);
         assertThat(event.getId()).isEqualTo(id);
         assertThat(event.getIds()).isNull();
     }

     @Test
     public void testSetAutofillIds() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         final AutofillId id = new AutofillId(108);
         final ArrayList<AutofillId> ids = new ArrayList<>(1);
         ids.add(id);
         event.setAutofillIds(ids);
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).containsExactly(id);
     }

     @Test
     public void testAddAutofillId() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         final AutofillId id1 = new AutofillId(108);
         event.addAutofillId(id1);
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).containsExactly(id1);

         final AutofillId id2 = new AutofillId(666);
         event.addAutofillId(id2);
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).containsExactly(id1, id2).inOrder();
     }

     @Test
     public void testAddAutofillId_afterSetId() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         final AutofillId id1 = new AutofillId(108);
         event.setAutofillId(id1);
         assertThat(event.getId()).isEqualTo(id1);
         assertThat(event.getIds()).isNull();

         final AutofillId id2 = new AutofillId(666);
         event.addAutofillId(id2);
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).containsExactly(id1, id2).inOrder();
     }

     @Test
     public void testAddAutofillId_afterSetIds() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

         final AutofillId id1 = new AutofillId(108);
         final ArrayList<AutofillId> ids = new ArrayList<>(1);
         ids.add(id1);
         event.setAutofillIds(ids);
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).containsExactly(id1);

         final AutofillId id2 = new AutofillId(666);
         event.addAutofillId(id2);
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).containsExactly(id1, id2).inOrder();
     }

     @Test
     public void testSessionStarted_directly() {
         final ContentCaptureEvent event = newEventForSessionStarted();
         assertSessionStartedEvent(event);
     }

     @Test
     public void testSessionStarted_throughParcel() {
         final ContentCaptureEvent event = newEventForSessionStarted();
         final ContentCaptureEvent clone = cloneThroughParcel(event);
         assertSessionStartedEvent(clone);
     }

     private ContentCaptureEvent newEventForSessionStarted() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_SESSION_STARTED)
                 .setClientContext(mClientContext)
                 .setParentSessionId("108");
         assertThat(event).isNotNull();
         return event;
     }

     private void assertSessionStartedEvent(ContentCaptureEvent event) {
         assertThat(event.getType()).isEqualTo(TYPE_SESSION_STARTED);
         assertThat(event.getEventTime()).isAtLeast(MY_EPOCH);
         assertThat(event.getSessionId()).isEqualTo("42");
         assertThat(event.getParentSessionId()).isEqualTo("108");
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).isNull();
         assertThat(event.getText()).isNull();
         assertThat(event.getViewNode()).isNull();
         final ContentCaptureContext clientContext = event.getContentCaptureContext();
         assertThat(clientContext).isNotNull();
         assertThat(clientContext.getLocusId()).isEqualTo(ID);
     }

     @Test
     public void testSessionFinished_directly() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_SESSION_FINISHED)
                 .setParentSessionId("108");
         assertThat(event).isNotNull();
         assertSessionFinishedEvent(event);
     }

     @Test
     public void testSessionFinished_throughParcel() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_SESSION_FINISHED)
                 .setClientContext(mClientContext) // should not be writting to parcel
                 .setParentSessionId("108");
         assertThat(event).isNotNull();
         final ContentCaptureEvent clone = cloneThroughParcel(event);
         assertSessionFinishedEvent(clone);
     }

     private void assertSessionFinishedEvent(ContentCaptureEvent event) {
         assertThat(event.getType()).isEqualTo(TYPE_SESSION_FINISHED);
         assertThat(event.getEventTime()).isAtLeast(MY_EPOCH);
         assertThat(event.getSessionId()).isEqualTo("42");
         assertThat(event.getParentSessionId()).isEqualTo("108");
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).isNull();
         assertThat(event.getText()).isNull();
         assertThat(event.getViewNode()).isNull();
         assertThat(event.getContentCaptureContext()).isNull();
     }

     @Test
     public void testContextUpdated_directly() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_CONTEXT_UPDATED)
                 .setClientContext(mClientContext);
         assertThat(event).isNotNull();
         assertContextUpdatedEvent(event);
     }

     @Test
     public void testContextUpdated_throughParcel() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_CONTEXT_UPDATED)
                 .setClientContext(mClientContext);
         assertThat(event).isNotNull();
         final ContentCaptureEvent clone = cloneThroughParcel(event);
         assertContextUpdatedEvent(clone);
     }

     @Test
     public void testMergeEvent_typeViewTextChanged() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_TEXT_CHANGED)
                 .setText("test");
         final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_TEXT_CHANGED)
                 .setText("empty");

         event.mergeEvent(event2);
         assertThat(event.getText()).isEqualTo(event2.getText());
     }

     @Test
     public void testMergeEvent_typeViewDisappeared() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
                 .setAutofillId(new AutofillId(1));
         final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_DISAPPEARED)
                 .setAutofillId(new AutofillId(2));
         final ArrayList<AutofillId> autofillIds = new ArrayList<>();
         autofillIds.add(new AutofillId(3));
         autofillIds.add(new AutofillId(4));
         final ContentCaptureEvent event3 = new ContentCaptureEvent("17", TYPE_VIEW_DISAPPEARED)
                 .setAutofillIds(autofillIds);

         event.mergeEvent(event2);
         assertThat(event.getIds()).containsExactly(new AutofillId(1), new AutofillId(2));

         event2.mergeEvent(event3);
         assertThat(event2.getIds()).containsExactly(new AutofillId(2), new AutofillId(3),
                 new AutofillId(4));
     }

     @Test
     public void testMergeEvent_typeViewDisappeared_noIds() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
                 .setAutofillId(new AutofillId(1));
         final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_DISAPPEARED);

         assertThrows(IllegalArgumentException.class, () -> event.mergeEvent(event2));
     }

     @Test
     public void testMergeEvent_nullArgument() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);
         assertThrows(NullPointerException.class, () -> event.mergeEvent(null));
     }

     @Test
     public void testMergeEvent_differentEventTypes() {
         final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
                 .setText("test").setAutofillId(new AutofillId(1));
         final ContentCaptureEvent event2 = new ContentCaptureEvent("17", TYPE_VIEW_TEXT_CHANGED)
                 .setText("empty").setAutofillId(new AutofillId(2));

         event.mergeEvent(event2);
         assertThat(event.getText()).isEqualTo("test");
         assertThat(event.getId()).isEqualTo(new AutofillId(1));

         event2.mergeEvent(event);
         assertThat(event2.getText()).isEqualTo("empty");
         assertThat(event2.getId()).isEqualTo(new AutofillId(2));
     }

     private void assertContextUpdatedEvent(ContentCaptureEvent event) {
         assertThat(event.getType()).isEqualTo(TYPE_CONTEXT_UPDATED);
         assertThat(event.getEventTime()).isAtLeast(MY_EPOCH);
         assertThat(event.getSessionId()).isEqualTo("42");
         assertThat(event.getParentSessionId()).isNull();
         assertThat(event.getId()).isNull();
         assertThat(event.getIds()).isNull();
         assertThat(event.getText()).isNull();
         assertThat(event.getViewNode()).isNull();
         final ContentCaptureContext clientContext = event.getContentCaptureContext();
         assertThat(clientContext).isNotNull();
         assertThat(clientContext.getLocusId()).isEqualTo(ID);
     }

     // TODO(b/123036895): add test for all events type (right now we're just testing the 3 types
     // that use logic to write to parcel

     private ContentCaptureEvent cloneThroughParcel(ContentCaptureEvent event) {
         Parcel parcel = Parcel.obtain();

         try {
             // Write to parcel
             parcel.setDataPosition(0); // Sanity / paranoid check
             event.writeToParcel(parcel, 0);

             // Read from parcel
             parcel.setDataPosition(0);
             ContentCaptureEvent clone = ContentCaptureEvent.CREATOR.createFromParcel(parcel);
             assertThat(clone).isNotNull();
             return clone;
         } finally {
             parcel.recycle();
         }
     }

 }
	/*
	* 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 android.view.contentcapture;

	import static android.view.contentcapture.ContentCaptureEvent.TYPE_CONTEXT_UPDATED;
	import static android.view.contentcapture.ContentCaptureEvent.TYPE_SESSION_FINISHED;
	import static android.view.contentcapture.ContentCaptureEvent.TYPE_SESSION_STARTED;
	import static android.view.contentcapture.ContentCaptureEvent.TYPE_VIEW_DISAPPEARED;
	import static android.view.contentcapture.ContentCaptureEvent.TYPE_VIEW_TEXT_CHANGED;

	import static com.google.common.truth.Truth.assertThat;

	import static org.testng.Assert.assertThrows;

	import android.content.LocusId;
	import android.os.Parcel;
	import android.os.SystemClock;
	import android.view.autofill.AutofillId;

	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.junit.runners.JUnit4;

	import java.util.ArrayList;

	/**
	* Unit test for {@link ContentCaptureEvent}.
	*
	* <p>To run it:
	* {@code atest FrameworksCoreTests:android.view.contentcapture.ContentCaptureEventTest}
	*/
	@RunWith(JUnit4.class)
	public class ContentCaptureEventTest {

	private static final long MY_EPOCH = SystemClock.uptimeMillis();

	private static final LocusId ID = new LocusId("WHATEVER");

	// Not using @Mock because it's final - no need to be fancy here....
	private final ContentCaptureContext mClientContext =
	new ContentCaptureContext.Builder(ID).build();

	@Test
	public void testSetAutofillId_null() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	assertThrows(NullPointerException.class, () -> event.setAutofillId(null));
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).isNull();
	}

	@Test
	public void testSetAutofillIds_null() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	assertThrows(NullPointerException.class, () -> event.setAutofillIds(null));
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).isNull();
	}

	@Test
	public void testAddAutofillId_null() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	assertThrows(NullPointerException.class, () -> event.addAutofillId(null));
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).isNull();
	}

	@Test
	public void testSetAutofillId() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	final AutofillId id = new AutofillId(108);
	event.setAutofillId(id);
	assertThat(event.getId()).isEqualTo(id);
	assertThat(event.getIds()).isNull();
	}

	@Test
	public void testSetAutofillIds() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	final AutofillId id = new AutofillId(108);
	final ArrayList<AutofillId> ids = new ArrayList<>(1);
	ids.add(id);
	event.setAutofillIds(ids);
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).containsExactly(id);
	}

	@Test
	public void testAddAutofillId() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	final AutofillId id1 = new AutofillId(108);
	event.addAutofillId(id1);
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).containsExactly(id1);

	final AutofillId id2 = new AutofillId(666);
	event.addAutofillId(id2);
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).containsExactly(id1, id2).inOrder();
	}

	@Test
	public void testAddAutofillId_afterSetId() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	final AutofillId id1 = new AutofillId(108);
	event.setAutofillId(id1);
	assertThat(event.getId()).isEqualTo(id1);
	assertThat(event.getIds()).isNull();

	final AutofillId id2 = new AutofillId(666);
	event.addAutofillId(id2);
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).containsExactly(id1, id2).inOrder();
	}

	@Test
	public void testAddAutofillId_afterSetIds() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);

	final AutofillId id1 = new AutofillId(108);
	final ArrayList<AutofillId> ids = new ArrayList<>(1);
	ids.add(id1);
	event.setAutofillIds(ids);
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).containsExactly(id1);

	final AutofillId id2 = new AutofillId(666);
	event.addAutofillId(id2);
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).containsExactly(id1, id2).inOrder();
	}

	@Test
	public void testSessionStarted_directly() {
	final ContentCaptureEvent event = newEventForSessionStarted();
	assertSessionStartedEvent(event);
	}

	@Test
	public void testSessionStarted_throughParcel() {
	final ContentCaptureEvent event = newEventForSessionStarted();
	final ContentCaptureEvent clone = cloneThroughParcel(event);
	assertSessionStartedEvent(clone);
	}

	private ContentCaptureEvent newEventForSessionStarted() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_SESSION_STARTED)
	.setClientContext(mClientContext)
	.setParentSessionId("108");
	assertThat(event).isNotNull();
	return event;
	}

	private void assertSessionStartedEvent(ContentCaptureEvent event) {
	assertThat(event.getType()).isEqualTo(TYPE_SESSION_STARTED);
	assertThat(event.getEventTime()).isAtLeast(MY_EPOCH);
	assertThat(event.getSessionId()).isEqualTo("42");
	assertThat(event.getParentSessionId()).isEqualTo("108");
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).isNull();
	assertThat(event.getText()).isNull();
	assertThat(event.getViewNode()).isNull();
	final ContentCaptureContext clientContext = event.getContentCaptureContext();
	assertThat(clientContext).isNotNull();
	assertThat(clientContext.getLocusId()).isEqualTo(ID);
	}

	@Test
	public void testSessionFinished_directly() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_SESSION_FINISHED)
	.setParentSessionId("108");
	assertThat(event).isNotNull();
	assertSessionFinishedEvent(event);
	}

	@Test
	public void testSessionFinished_throughParcel() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_SESSION_FINISHED)
	.setClientContext(mClientContext) // should not be writting to parcel
	.setParentSessionId("108");
	assertThat(event).isNotNull();
	final ContentCaptureEvent clone = cloneThroughParcel(event);
	assertSessionFinishedEvent(clone);
	}

	private void assertSessionFinishedEvent(ContentCaptureEvent event) {
	assertThat(event.getType()).isEqualTo(TYPE_SESSION_FINISHED);
	assertThat(event.getEventTime()).isAtLeast(MY_EPOCH);
	assertThat(event.getSessionId()).isEqualTo("42");
	assertThat(event.getParentSessionId()).isEqualTo("108");
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).isNull();
	assertThat(event.getText()).isNull();
	assertThat(event.getViewNode()).isNull();
	assertThat(event.getContentCaptureContext()).isNull();
	}

	@Test
	public void testContextUpdated_directly() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_CONTEXT_UPDATED)
	.setClientContext(mClientContext);
	assertThat(event).isNotNull();
	assertContextUpdatedEvent(event);
	}

	@Test
	public void testContextUpdated_throughParcel() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_CONTEXT_UPDATED)
	.setClientContext(mClientContext);
	assertThat(event).isNotNull();
	final ContentCaptureEvent clone = cloneThroughParcel(event);
	assertContextUpdatedEvent(clone);
	}

	@Test
	public void testMergeEvent_typeViewTextChanged() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_TEXT_CHANGED)
	.setText("test");
	final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_TEXT_CHANGED)
	.setText("empty");

	event.mergeEvent(event2);
	assertThat(event.getText()).isEqualTo(event2.getText());
	}

	@Test
	public void testMergeEvent_typeViewDisappeared() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
	.setAutofillId(new AutofillId(1));
	final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_DISAPPEARED)
	.setAutofillId(new AutofillId(2));
	final ArrayList<AutofillId> autofillIds = new ArrayList<>();
	autofillIds.add(new AutofillId(3));
	autofillIds.add(new AutofillId(4));
	final ContentCaptureEvent event3 = new ContentCaptureEvent("17", TYPE_VIEW_DISAPPEARED)
	.setAutofillIds(autofillIds);

	event.mergeEvent(event2);
	assertThat(event.getIds()).containsExactly(new AutofillId(1), new AutofillId(2));

	event2.mergeEvent(event3);
	assertThat(event2.getIds()).containsExactly(new AutofillId(2), new AutofillId(3),
	new AutofillId(4));
	}

	@Test
	public void testMergeEvent_typeViewDisappeared_noIds() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
	.setAutofillId(new AutofillId(1));
	final ContentCaptureEvent event2 = new ContentCaptureEvent("43", TYPE_VIEW_DISAPPEARED);

	assertThrows(IllegalArgumentException.class, () -> event.mergeEvent(event2));
	}

	@Test
	public void testMergeEvent_nullArgument() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED);
	assertThrows(NullPointerException.class, () -> event.mergeEvent(null));
	}

	@Test
	public void testMergeEvent_differentEventTypes() {
	final ContentCaptureEvent event = new ContentCaptureEvent("42", TYPE_VIEW_DISAPPEARED)
	.setText("test").setAutofillId(new AutofillId(1));
	final ContentCaptureEvent event2 = new ContentCaptureEvent("17", TYPE_VIEW_TEXT_CHANGED)
	.setText("empty").setAutofillId(new AutofillId(2));

	event.mergeEvent(event2);
	assertThat(event.getText()).isEqualTo("test");
	assertThat(event.getId()).isEqualTo(new AutofillId(1));

	event2.mergeEvent(event);
	assertThat(event2.getText()).isEqualTo("empty");
	assertThat(event2.getId()).isEqualTo(new AutofillId(2));
	}

	private void assertContextUpdatedEvent(ContentCaptureEvent event) {
	assertThat(event.getType()).isEqualTo(TYPE_CONTEXT_UPDATED);
	assertThat(event.getEventTime()).isAtLeast(MY_EPOCH);
	assertThat(event.getSessionId()).isEqualTo("42");
	assertThat(event.getParentSessionId()).isNull();
	assertThat(event.getId()).isNull();
	assertThat(event.getIds()).isNull();
	assertThat(event.getText()).isNull();
	assertThat(event.getViewNode()).isNull();
	final ContentCaptureContext clientContext = event.getContentCaptureContext();
	assertThat(clientContext).isNotNull();
	assertThat(clientContext.getLocusId()).isEqualTo(ID);
	}

	// TODO(b/123036895): add test for all events type (right now we're just testing the 3 types
	// that use logic to write to parcel

	private ContentCaptureEvent cloneThroughParcel(ContentCaptureEvent event) {
	Parcel parcel = Parcel.obtain();

	try {
	// Write to parcel
	parcel.setDataPosition(0); // Sanity / paranoid check
	event.writeToParcel(parcel, 0);

	// Read from parcel
	parcel.setDataPosition(0);
	ContentCaptureEvent clone = ContentCaptureEvent.CREATOR.createFromParcel(parcel);
	assertThat(clone).isNotNull();
	return clone;
	} finally {
	parcel.recycle();
	}
	}

	}