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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.configuration;
19  
20  import static org.junit.Assert.assertEquals;
21  
22  import java.util.Properties;
23  
24  import org.junit.Test;
25  
26  /**
27   * Tests for {@code SystemConfiguration}.
28   *
29   * @author Emmanuel Bourg
30   * @version $Id: TestSystemConfiguration.java 1225020 2011-12-27 21:20:45Z oheger $
31   */
32  public class TestSystemConfiguration
33  {
34      @Test
35      public void testSystemConfiguration()
36      {
37          Properties props = System.getProperties();
38          props.put("test.number", "123");
39  
40          Configuration conf = new SystemConfiguration();
41          assertEquals("number", 123, conf.getInt("test.number"));
42      }
43  
44      @Test
45      public void testSetSystemProperties()
46      {
47          PropertiesConfiguration props = new PropertiesConfiguration();
48          props.addProperty("test.name", "Apache");
49          SystemConfiguration.setSystemProperties(props);
50          assertEquals("System Properties", "Apache", System.getProperty("test.name"));
51      }
52  }