@Test
public void testRetrieveConfigSettingLong() {

    
    System.setProperty(ATHENZ_DBPOOL_PROP1, "100");
    assertEquals(DataSourceFactory.retrieveConfigSetting(ATHENZ_DBPOOL_PROP1, 20L), 100L);
    System.setProperty(ATHENZ_DBPOOL_PROP1, "0");
    assertEquals(DataSourceFactory.retrieveConfigSetting(ATHENZ_DBPOOL_PROP1, 20L), 0);
    
    System.setProperty(ATHENZ_DBPOOL_PROP1, "-100");
    assertEquals(DataSourceFactory.retrieveConfigSetting(ATHENZ_DBPOOL_PROP1, 20L), -100L);
    
    System.clearProperty(ATHENZ_DBPOOL_PROP1);
}