001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.configuration;
019    
020    import static org.junit.Assert.assertEquals;
021    
022    import java.util.Properties;
023    
024    import org.junit.Test;
025    
026    /**
027     * Tests for {@code SystemConfiguration}.
028     *
029     * @author Emmanuel Bourg
030     * @version $Id: TestSystemConfiguration.java 1225020 2011-12-27 21:20:45Z oheger $
031     */
032    public class TestSystemConfiguration
033    {
034        @Test
035        public void testSystemConfiguration()
036        {
037            Properties props = System.getProperties();
038            props.put("test.number", "123");
039    
040            Configuration conf = new SystemConfiguration();
041            assertEquals("number", 123, conf.getInt("test.number"));
042        }
043    
044        @Test
045        public void testSetSystemProperties()
046        {
047            PropertiesConfiguration props = new PropertiesConfiguration();
048            props.addProperty("test.name", "Apache");
049            SystemConfiguration.setSystemProperties(props);
050            assertEquals("System Properties", "Apache", System.getProperty("test.name"));
051        }
052    }