/*
 * Copyright (C) 2018 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 com.android.textclassifier.testing;

import android.os.LocaleList;
import org.junit.rules.ExternalResource;

public class SetDefaultLocalesRule extends ExternalResource {

  private LocaleList originalValue;

  @Override
  protected void before() throws Throwable {
    super.before();
    originalValue = LocaleList.getDefault();
  }

  public void set(LocaleList newValue) {
    LocaleList.setDefault(newValue);
  }

  @Override
  protected void after() {
    super.after();
    LocaleList.setDefault(originalValue);
  }
}