@Test
public final void testShowFiles() {

  List<String> fileList = IfcSpfReader.showFiles(getClass().getClassLoader().getResource("showfiles").getFile());
  List<String> files = new ArrayList<>();
  for (String file : fileList) {
    files.add(file.substring(file.lastIndexOf(File.separatorChar)+1));
  }
  java.util.Collections.sort(files);
  StringBuilder sb = new StringBuilder();
  for (String s : files)
  {
    sb.append(s);
    sb.append(", ");
  }
  Assert.assertEquals(
          "20160414office_model_CV2_fordesign.ifc, 20160414office_model_CV2_fordesign.ttl, Barcelona_Pavilion.ifc, Barcelona_Pavilion.ttl, ootest.txt, ",
          sb.toString());
}