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.espresso.base;
  
  import static com.google.common.truth.Truth.assertThat;
  import static org.junit.Assert.assertThrows;
  
  import android.view.View;
  import org.hamcrest.BaseMatcher;
  import org.hamcrest.Description;
  import org.hamcrest.Matcher;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  @RunWith(JUnit4.class)
  public class ThrowableHandlerTest {
    private ThrowableHandler handler;
    private Matcher<View> viewMatcher;
  
    @Before
    public void setUp() {
      handler = new ThrowableHandler();
      viewMatcher =
          new BaseMatcher<View>() {
            @Override
            public boolean matches(Object o) {
              return false;
            }
  
            @Override
            public void describeTo(Description description) {
              description.appendText("A view matcher");
            }
          };
    }
  
    @Test
    public void handle_checkedException() {
      RuntimeException thrown =
          assertThrows(
              RuntimeException.class,
              () ->
                  handler.handle(new NullPointerException("A null pointer exception"), viewMatcher));
      assertThat(thrown).hasMessageThat().contains("A null pointer exception");
    }
  
    @Test
    public void handle_runtimeException() {
      RuntimeException thrown =
          assertThrows(
              RuntimeException.class,
              () -> handler.handle(new RuntimeException("A runtime error"), viewMatcher));
      assertThat(thrown).hasMessageThat().contains("A runtime error");
    }
  }
  