/*
    * 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.commons.collections4.functors;
  
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.DynamicTest.dynamicTest;
  
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.Collection;
  
  import org.apache.commons.collections4.Closure;
  import org.apache.commons.collections4.FunctorException;
  import org.junit.jupiter.api.DynamicTest;
  import org.junit.jupiter.api.TestFactory;
  
  public class CatchAndRethrowClosureTest extends AbstractClosureTest {
  
      private static <T> Closure<T> generateIOExceptionClosure() {
          return new CatchAndRethrowClosure<T>() {
  
              @Override
              protected void executeAndThrow(final T input) throws IOException  {
                  throw new IOException();
              }
          };
      }
  
      private static <T> Closure<T> generateNoExceptionClosure() {
          return new CatchAndRethrowClosure<T>() {
  
              @Override
              protected void executeAndThrow(final T input) {
              }
          };
      }
  
      private static <T> Closure<T> generateNullPointerExceptionClosure() {
          return new CatchAndRethrowClosure<T>() {
  
              @Override
              protected void executeAndThrow(final T input) {
                  throw new NullPointerException();
              }
          };
      }
  
      @Override
      protected <T> Closure<T> generateClosure() {
          return generateNoExceptionClosure();
      }
  
      @TestFactory
      public Collection<DynamicTest> testThrowingClosure() {
  
          return Arrays.asList(
  
                  dynamicTest("Closure NoException", () -> {
                      final Closure<Integer> closure = generateNoExceptionClosure();
                      closure.execute(Integer.valueOf(0));
                  }),
                  dynamicTest("Closure IOException", () -> {
                      final Closure<Integer> closure = generateIOExceptionClosure();
                      final FunctorException thrown = assertThrows(FunctorException.class, () -> closure.execute(Integer.valueOf(0)));
                      assertTrue(thrown.getCause() instanceof IOException);
                  }),
                  dynamicTest("Closure NullPointerException", () -> {
                      final Closure<Integer> closure = generateNullPointerExceptionClosure();
                      assertThrows(NullPointerException.class, () -> closure.execute(Integer.valueOf(0)));
                  })
  
          );
      }
  
  }