@Test
public void testFilterCharacters() throws Exception {

	Slf4jReporter reporter = new Slf4jReporter();
	assertThat(reporter.filterCharacters(""), equalTo(""));
	assertThat(reporter.filterCharacters("abc"), equalTo("abc"));
	assertThat(reporter.filterCharacters("a:b$%^::"), equalTo("a:b$%^::"));
}