}
@Test
public void parses_a_regexp_b_escape_in_a_regexp() {
Message result = parse("%/foo\\b/");
assertEquals("foo\\b", ((Regexp)result.literal()).pattern());
}
@Test
public void parses_a_regexp_b_escape_in_a_regexp_with_alternative_syntax() {
Message result = parse("%r[foo\\b]");