@Override
	void toHtml() throws IOException {
		writeHtmlHeader();
		htmlCoreReport.toHtml();
		writeHtmlFooter();
	}
@Test
	public void testEmptyCounter() throws IOException {
		final HtmlReport htmlReport = new HtmlReport(collector, null, javaInformationsList,
				Period.TOUT, writer);
		// rapport avec counter sans requête
		counter.clear();
		errorCounter.clear();
		htmlReport.toHtml(null, null);
		assertNotEmptyAndClear(writer);
	}