public String convertInt(int i) {
        return convert(i);
    }
@Test
    // test ways for dealing with flowing i converter, as in "foo%ix"
    public void flowingI() {
        {
            FileNamePattern pp = new FileNamePattern("foo%i{}bar%i", context);
            assertEquals("foo3bar3", pp.convertInt(3));
        }
        {
            FileNamePattern pp = new FileNamePattern("foo%i{}bar%i", context);
            assertEquals("foo3bar3", pp.convertInt(3));
        }
    }