/*
    * 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;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.time.Duration;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.NoSuchElementException;
  import java.util.Objects;
  import java.util.Properties;
  
  import org.apache.commons.configuration2.ex.ConversionException;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link ImmutableConfiguration} default methods.
   */
  public class TestDefaultImmutableConfiguration {
  
      /** Tests default methods. This class MUST NOT override the default methods! */
      private static final class MapImmutableConfiguration implements ImmutableConfiguration {
  
          Map<String, Object> map = new HashMap<>();
  
          @Override
          public boolean containsKey(final String key) {
              // Super is not a default method.
              return false;
          }
  
          @Override
          public <T> T get(final Class<T> cls, final String key) {
              // Super is not a default method.
              return null;
          }
  
          @Override
          public <T> T get(final Class<T> cls, final String key, final T defaultValue) {
              // Super is not a default method.
              return null;
          }
  
          @Override
          public Object getArray(final Class<?> cls, final String key) {
              // Super is not a default method.
              return null;
          }
  
          @Override
          public Object getArray(final Class<?> cls, final String key, final Object defaultValue) {
              // Super is not a default method.
              return null;
          }
  
          @Override
          public BigDecimal getBigDecimal(final String key) {
              // Super is not a default method.
              return null;
          }
  
          @Override
          public BigDecimal getBigDecimal(final String key, final BigDecimal defaultValue) {
              // Super is not a default method.
              return null;
          }
  
          @Override
          public BigInteger getBigInteger(final String key) {
              // Super is not a default method.
              return null;
          }
  
          @Override
          public BigInteger getBigInteger(final String key, final BigInteger defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public boolean getBoolean(final String key) {
             // Super is not a default method.
             return false;
         }
 
         @Override
         public boolean getBoolean(final String key, final boolean defaultValue) {
             // Super is not a default method.
             return false;
         }
 
         @Override
         public Boolean getBoolean(final String key, final Boolean defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public byte getByte(final String key) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public byte getByte(final String key, final byte defaultValue) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public Byte getByte(final String key, final Byte defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public <T> Collection<T> getCollection(final Class<T> cls, final String key, final Collection<T> target) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public <T> Collection<T> getCollection(final Class<T> cls, final String key, final Collection<T> target, final Collection<T> defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public double getDouble(final String key) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public double getDouble(final String key, final double defaultValue) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public Double getDouble(final String key, final Double defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public String getEncodedString(final String key) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public String getEncodedString(final String key, final ConfigurationDecoder decoder) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public float getFloat(final String key) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public float getFloat(final String key, final float defaultValue) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public Float getFloat(final String key, final Float defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public int getInt(final String key) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public int getInt(final String key, final int defaultValue) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public Integer getInteger(final String key, final Integer defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public Iterator<String> getKeys() {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public Iterator<String> getKeys(final String prefix) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public <T> List<T> getList(final Class<T> cls, final String key) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public <T> List<T> getList(final Class<T> cls, final String key, final List<T> defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public List<Object> getList(final String key) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public List<Object> getList(final String key, final List<?> defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public long getLong(final String key) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public long getLong(final String key, final long defaultValue) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public Long getLong(final String key, final Long defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public Properties getProperties(final String key) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public Object getProperty(final String key) {
             // Super is not a default method.
             return map.get(key);
         }
 
         @Override
         public short getShort(final String key) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public short getShort(final String key, final short defaultValue) {
             // Super is not a default method.
             return 0;
         }
 
         @Override
         public Short getShort(final String key, final Short defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public String getString(final String key) {
             return Objects.toString(map.get(key), null);
         }
 
         @Override
         public String getString(final String key, final String defaultValue) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public String[] getStringArray(final String key) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public ImmutableConfiguration immutableSubset(final String prefix) {
             // Super is not a default method.
             return null;
         }
 
         @Override
         public boolean isEmpty() {
             // Super is not a default method.
             return false;
         }
 
         @Override
         public int size() {
             // Super is not a default method.
             return 0;
         }
 
     }
 
     private final MapImmutableConfiguration config = new MapImmutableConfiguration();
 
     @BeforeEach
     @AfterEach
     public void clearMap() {
         config.map.clear();
     }
 
     @Test
     public void testGetDuration() {
         final Duration d = Duration.ofSeconds(1);
         config.map.put("durationD", d.toString());
         final Duration oneD = Duration.ofSeconds(1);
         final Duration twoD = Duration.ofSeconds(2);
         assertEquals(oneD, config.getDuration("durationD"));
         assertEquals(oneD, config.getDuration("durationD", twoD));
         assertEquals(twoD, config.getDuration("numberNotInConfig", twoD));
         assertEquals(oneD, config.getDuration("durationD", twoD));
     }
 
     @Test
     public void testGetDurationIncompatibleType() {
         config.map.put("test.empty", "");
         assertThrows(ConversionException.class, () -> config.getDuration("test.empty"));
     }
 
     @Test
     public void testGetDurationUnknown() {
         assertThrows(NoSuchElementException.class, () -> config.getDuration("numberNotInConfig"));
     }
 }