CompositeTemplateLoader implements TemplateLoader { @Override public String getSuffix() { throw new UnsupportedOperationException(); } CompositeTemplateLoader(final TemplateLoader... loaders); @Override TemplateSource sourceAt(final String location); @Override String resolve(final String location); @Override String getPrefix(); @Override String getSuffix(); @Override void setPrefix(final String prefix); @Override void setSuffix(final String suffix); @Override void setCharset(final Charset charset); @Override Charset getCharset(); Iterable<TemplateLoader> getDelegates();  }
@Test(expected = UnsupportedOperationException.class) public void getSuffix() throws IOException { loader.getSuffix(); }