@Test
public void testGetFilesStringArrayFile()
{

    assertThat( PathUtil.files( (String[]) null, f1 ), nullValue() );
    assertThat( PathUtil.files( new String[] { f5.getAbsolutePath() }, f1 ), hasItem( f5 ) );
    assertThat( PathUtil.files( new String[] { f5.getName() }, f5.getParentFile() ), hasItem( f5 ) );
}