### Question:
BufferConfigSource extends AbstractConfigSource { @Override public Location getLocation() { return location; } BufferConfigSource(final String content);  BufferConfigSource(final String content, final Location location); @Override Reader getReader(); @Override Location getLocation();  }### Answer:
@Test public void testGetLocation() { assertNotNull(source.getLocation()); assertEquals(source.getLocation(), ConfigSource.UNDEFINED_LOCATION); }