/*
    * 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
    *
    *      https://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.beanutils2.converters;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import org.apache.commons.beanutils2.ConversionException;
  import org.apache.commons.beanutils2.Converter;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test Case for the IntegerConverter class.
   */
  public class IntegerConverterTest extends AbstractNumberConverterTest<Integer> {
  
      private Converter<Integer> converter;
  
      @Override
      protected Class<Integer> getExpectedType() {
          return Integer.class;
      }
  
      @Override
      protected NumberConverter<Integer> makeConverter() {
          return new IntegerConverter();
      }
  
      @Override
      protected IntegerConverter makeConverter(final Integer defaultValue) {
          return new IntegerConverter(defaultValue);
      }
  
      @BeforeEach
      public void setUp() throws Exception {
          converter = makeConverter();
          numbers[0] = Integer.valueOf("-12");
          numbers[1] = Integer.valueOf("13");
          numbers[2] = Integer.valueOf("-22");
          numbers[3] = Integer.valueOf("23");
      }
  
      @AfterEach
      public void tearDown() throws Exception {
          converter = null;
      }
  
      /**
       * Test Invalid Amounts (too big/small)
       */
      @Test
      public void testInvalidAmount() {
          final Converter<Integer> converter = makeConverter();
          final Class<?> clazz = Integer.class;
  
          final Long min = Long.valueOf(Integer.MIN_VALUE);
          final Long max = Long.valueOf(Integer.MAX_VALUE);
          final Long minMinusOne = Long.valueOf(min.longValue() - 1);
          final Long maxPlusOne = Long.valueOf(max.longValue() + 1);
  
          // Minimum
          assertEquals(Integer.valueOf(Integer.MIN_VALUE), converter.convert(clazz, min), "Minimum");
  
          // Maximum
          assertEquals(Integer.valueOf(Integer.MAX_VALUE), converter.convert(clazz, max), "Maximum");
  
          // Too Small
          assertThrows(ConversionException.class, () -> converter.convert(clazz, minMinusOne), "Less than minimum, expected ConversionException");
  
          // Too Large
          assertThrows(ConversionException.class, () -> converter.convert(clazz, maxPlusOne), "More than maximum, expected ConversionException");
      }
  
      /**
       * Tests whether an invalid default object causes an exception.
       */
      @Test
      @SuppressWarnings("unchecked") // raw to test throwing
      public void testInvalidDefaultObject() {
          @SuppressWarnings("rawtypes") // raw to test throwing
          final NumberConverter converter = makeConverter();
          assertThrows(ConversionException.class, () -> converter.setDefaultValue("notANumber"), "Invalid default value not detected!");
     }
 
     @Test
     public void testSimpleConversion() throws Exception {
         final String[] message = { "from String", "from String", "from String", "from String", "from String", "from String", "from String", "from Byte",
                 "from Short", "from Integer", "from Long", "from Float", "from Double" };
 
         final Object[] input = { String.valueOf(Integer.MIN_VALUE), "-17", "-1", "0", "1", "17", String.valueOf(Integer.MAX_VALUE), Byte.valueOf((byte) 7),
                 Short.valueOf((short) 8), Integer.valueOf(9), Long.valueOf(10), Float.valueOf((float) 11.1), Double.valueOf(12.2) };
 
         final Integer[] expected = { Integer.valueOf(Integer.MIN_VALUE), Integer.valueOf(-17), Integer.valueOf(-1), Integer.valueOf(0), Integer.valueOf(1),
                 Integer.valueOf(17), Integer.valueOf(Integer.MAX_VALUE), Integer.valueOf(7), Integer.valueOf(8), Integer.valueOf(9), Integer.valueOf(10),
                 Integer.valueOf(11), Integer.valueOf(12) };
 
         for (int i = 0; i < expected.length; i++) {
             assertEquals(expected[i], converter.convert(Integer.class, input[i]), message[i] + " to Integer");
             assertEquals(expected[i], converter.convert(Integer.TYPE, input[i]), message[i] + " to int");
             assertEquals(expected[i], converter.convert(null, input[i]), message[i] + " to null type");
         }
     }
 }