/*
    * Copyright 2005,2009 Ivan SZKIBA
    *
    * Licensed 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.ini4j;
  
  import org.ini4j.test.Helper;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.fail;
  
  import org.junit.Test;
  
  import java.util.prefs.Preferences;
  
  public class IniPreferencesFactoryTest extends Ini4jCase
  {
      private static final String DUMMY = "dummy";
  
      @Test public void testGetIniLocation() throws Exception
      {
          IniPreferencesFactory factory = new IniPreferencesFactory();
  
          System.setProperty(DUMMY, DUMMY);
          assertEquals(DUMMY, factory.getIniLocation(DUMMY));
          System.getProperties().remove(DUMMY);
          assertNull(factory.getIniLocation(DUMMY));
      }
  
      @SuppressWarnings("empty-statement")
      @Test public void testGetResourceAsStream() throws Exception
      {
          IniPreferencesFactory factory = new IniPreferencesFactory();
  
          // class path
          assertNotNull(factory.getResourceAsStream(Helper.DWARFS_INI));
  
          // url
          String location = Helper.getResourceURL(Helper.DWARFS_INI).toString();
  
          assertNotNull(factory.getResourceAsStream(location));
  
          // invalid url should throw IllegalArgumentException
          try
          {
              factory.getResourceAsStream("http://");
              fail();
          }
          catch (IllegalArgumentException x)
          {
              ;
          }
      }
  
      @Test public void testNewIniPreferences()
      {
          System.setProperty(DUMMY, DUMMY);
          try
          {
              new IniPreferencesFactory().newIniPreferences(DUMMY);
              missing(IllegalArgumentException.class);
          }
          catch (IllegalArgumentException x)
          {
              //
          }
          finally
          {
              System.getProperties().remove(DUMMY);
          }
      }
  
      @Test public void testSystemRoot() throws Exception
      {
          Preferences prefs = Preferences.systemRoot();
  
          assertNotNull(prefs);
          assertEquals(IniPreferences.class, prefs.getClass());
          assertSame(prefs, Preferences.systemRoot());
      }
  
      @Test public void testUserRoot() throws Exception
      {
          Preferences prefs = Preferences.userRoot();
  
         assertNotNull(prefs);
         assertEquals(IniPreferences.class, prefs.getClass());
         assertSame(prefs, Preferences.userRoot());
     }
 }