@Test public void matchesAny() {

    char[] scan = {' ', '\n', '\t'};
    CharacterReader r = new CharacterReader("One\nTwo\tThree");
    assertFalse(r.matchesAny(scan));
    assertEquals("One", r.consumeToAny(scan));
    assertTrue(r.matchesAny(scan));
    assertEquals('\n', r.consume());
    assertFalse(r.matchesAny(scan));
}