content: /*
   * Copyright (C) 2014 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;
  
  import static androidx.test.internal.util.Checks.checkNotNull;
  
  import androidx.test.internal.platform.util.TestOutputEmitter;
  import java.util.List;
  import java.util.Locale;
  import org.hamcrest.Matcher;
  
  /**
   * Indicates that a given matcher did not match any {@link Root}s (windows) from those that are
   * currently available.
   */
  public final class NoMatchingRootException extends RuntimeException implements EspressoException {
  
    private NoMatchingRootException(String description) {
      super(description);
      TestOutputEmitter.dumpThreadStates("ThreadState-NoMatchingRootException.txt");
    }
  
    public static NoMatchingRootException create(Matcher<Root> rootMatcher, List<Root> roots) {
      checkNotNull(rootMatcher);
      checkNotNull(roots);
      return new NoMatchingRootException(
          String.format(
              Locale.ROOT,
              "Matcher '%s' did not match any of the following roots: %s",
              rootMatcher,
              roots));
    }
  }
  