content: /*
   * Copyright (C) 2021 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.ui.app;
  
  import static androidx.test.espresso.Espresso.onView;
  import static androidx.test.espresso.assertion.ViewAssertions.matches;
  import static androidx.test.espresso.matcher.ViewMatchers.withId;
  import static androidx.test.espresso.matcher.ViewMatchers.withText;
  
  import androidx.test.ext.junit.rules.ActivityScenarioRule;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import androidx.test.filters.LargeTest;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  /**
   * Test cases that generates {@link androidx.test.espresso.NoMatchingViewException} and {@link
   * androidx.test.espresso.AmbiguousViewMatcherException}. The tests fails and must be run with a
   * test_result_assertion_plugin that validate expected failure, see BUILD for details.
   */
  @RunWith(AndroidJUnit4.class)
  @LargeTest
  public class DuplicateViewActivityTest {
  
    @Rule
    public ActivityScenarioRule<DuplicateViewActivity> activityScenarioRule =
        new ActivityScenarioRule<>(DuplicateViewActivity.class);
  
    @Test
    public void testNoMatchingViewException() {
      // The requested withId() is not in the layout.
      // This fails with NoMatchingViewException.
      onView(withId(android.R.id.list)).check(matches(withText("Hello world!")));
    }
  
    @Test
    public void testAmbiguousViewMatcherException() {
      // There are 2 views with the requested string.
      // This fails with AmbiguousViewMatcherException.
      onView(withText("Message"))
          .check(matches(withText("Ambiguous match due to views with same text.")));
    }
  }
  