/*
    * 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.configuration2.beanutils;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.mockito.Mockito.mock;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Test class for {@code ConstructorArg}.
   */
  public class TestConstructorArg {
      /**
       * Tries to create an instance for a null bean declaration.
       */
      @Test
      public void testForBeanDeclarationNull() {
          assertThrows(NullPointerException.class, () -> ConstructorArg.forBeanDeclaration(null));
      }
  
      /**
       * Tests whether an argument with a simple value is detected.
       */
      @Test
      public void testIsNestedBeanDeclarationFalse() {
          final ConstructorArg arg = ConstructorArg.forValue("test");
          assertFalse(arg.isNestedBeanDeclaration());
      }
  
      /**
       * Tests whether an argument representing a bean declaration is detected.
       */
      @Test
      public void testIsNestedBeanDeclarationTrue() {
          final BeanDeclaration decl = mock(BeanDeclaration.class);
          final ConstructorArg arg = ConstructorArg.forBeanDeclaration(decl);
          assertTrue(arg.isNestedBeanDeclaration());
      }
  
      /**
       * Tests matches() if no data type is provided.
       */
      @Test
      public void testMatchesNoType() {
          final ConstructorArg arg = ConstructorArg.forValue(42);
          assertTrue(arg.matches(String.class));
          assertTrue(arg.matches(getClass()));
      }
  
      /**
       * Tests whether matches() deals with a null argument.
       */
      @Test
      public void testMatchesNull() {
          final ConstructorArg arg = ConstructorArg.forValue(0);
          assertFalse(arg.matches(null));
      }
  
      /**
       * Tests whether a specified data type is evaluated by matches().
       */
      @Test
      public void testMatchesWithType() {
          final ConstructorArg arg = ConstructorArg.forValue("42", int.class.getName());
          assertTrue(arg.matches(Integer.TYPE));
          assertFalse(arg.matches(Integer.class));
          assertFalse(arg.matches(String.class));
      }
  }