/*
 * 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.
 */
package org.apache.geode.examples;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.catchThrowable;

import java.util.concurrent.atomic.AtomicBoolean;

import org.junit.Test;

public class ExpectedExceptionTest {

  private static final AtomicBoolean BUG = new AtomicBoolean(true);

  @Test(expected = RuntimeException.class)
  public void incorrect() {
    one();
    two();
    three();
  }

  private void one() {
    // do something
  }

  private void two() {
    // do something
    if (BUG.get()) {
      throw new RuntimeException("Encountered Bug!");
    }
  }

  private void three() {
    throw new RuntimeException("Boo!");
  }

  @Test
  public void correct() {
    one();
    two();

    Throwable thrown = catchThrowable(() -> three());

    assertThat(thrown)
        .isInstanceOf(RuntimeException.class)
        .hasMessage("Boo!");
  }
}