package com.carrotsearch.randomizedtesting.rules;

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import org.junit.ClassRule;
import org.junit.rules.TestRule;

/**
 * Require assertions {@link TestRule}.
 * 
 * @see ClassRule
 */
public class RequireAssertionsRule extends TestRuleAdapter {
  @Override
  protected void before() throws Throwable {
    try {
      assert false;
      throw new Exception("Test class requires assertions, enable assertions globally (-ea) or for Solr/Lucene subpackages only.");
    } catch (AssertionError e) {
      // Ok, enabled.
    }    
  }
}
