t.Fatalf("%d: %v", i, err)
		}
		// repr.Println(id, repr.Indent("  "), repr.OmitEmpty(true))
	}

	invalidCases := []string{
		"+a",
		"-a",
		"1a",
		`"ab`,
		`abc"`,
		`aa""a`,
		`"a"a"`,
	}
	for i, tc := range invalidCases {
		err := p.ParseString(tc, &id)
		if err == nil {
			t.Fatalf("%d: %v", i, err)
		}
		// fmt.Println(tc, err)
	}
}

0000170 09 2c ce 09 57 7f d2 7e b4 23 ba 7c 1b 99 bc 22
0000180 3e f1 de 91 2f e3 9c 1b 82 cc c2 84 39 aa e6 de
0000190 b4 69 fc cc cb 72 a6 61 45 f0 d3 1d 26 19 7c 8d
00001a0 29 c8 66 02 be 77 6a f9 3d 34 79 17 19 c8 96 24
00001b0 a3 ac e4 dd 3b 1a 8e c6 fe 96 38 6b bf 67 5a 23
00001c0 f4 16 f4 e6 8a b4 fc c2 cd bf 95 66 1d bb 35 aa
00001d0 92 7d 66 d8 08 8d a5 1f 54 2a af 09 cf 61 ff d2
00001e0 85 9d 8f b6 d7 88 07 4a 86 03 db 64 f3 d9 92 73

;²MGÖHs~¬ o}sòs— x?=ª+Êã5ADsˆ…sìAª ÚkrDUIS 8\v@LG’¿1igòšk{1|oC}1mytkc­~ûZAÈ axGv×ÂåÓÖû-ÅíÒùÍäîõ ÏêãWC^ï¯{ ìinéœjtgô“°`¥r¾iYÖi„oy}L\}^w†ðñ A]ït^ ÜQWx2öÎ û6? ŽsVrñZwôM„\mM{÷sEtz_ˆ˜ûéI[jK^ AQoxoˆCé÷Rg|ïh“txW}7}aUÖcq¼?qn37 KcÖr \Õúxm þÐp{Hsox祦ÒqXÚ}TmòuwTBÕ´À¹¯¦$ïzRcWyïp@’ ÃëqiuRnKN ixÕöÀ»½= %^raÙ¢vñ~Lªã?ws ,iDª SÖoCetôSÀÄ I¼dwx Uôt¾ cî›wªU =ªzPïŠvcJR Ñ‚ŒÂþÜ7¸fqItïrºlq,0ýZoW_áXO²y èh}yNeëtM ª B:QwÍÖ¬NPãFtU\÷²zxoAgWˆNfs NmÖv†tW®ìGzißtF² ËwAºmaW¨j}sf to¾wîã*jK aEEwGS¢tc¾@øgª|{NB’Ôúƒ=q†U`ÙfÎ"Yv†ÌïËFG¼ÅiBæ¨Al...

        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("1."));
        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("AA"));
        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("C"));
        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("C2.2C"));

    ImmutableList<String> empty = ImmutableList.of();
    ImmutableList<String> a = ImmutableList.of("a");
    ImmutableList<String> aa = ImmutableList.of("a", "a");
    ImmutableList<String> ab = ImmutableList.of("a", "b");
    ImmutableList<String> b = ImmutableList.of("b");

    testComparator(lexy, empty, a, aa, ab, b);

    new EqualsTester()
        .addEqualityGroup(lexy, ordering.lexicographical())

    ImmutableList<String> empty = ImmutableList.of();
    ImmutableList<String> a = ImmutableList.of("a");
    ImmutableList<String> aa = ImmutableList.of("a", "a");
    ImmutableList<String> ab = ImmutableList.of("a", "b");
    ImmutableList<String> b = ImmutableList.of("b");

    testComparator(lexy, empty, a, aa, ab, b);

    new EqualsTester()
        .addEqualityGroup(lexy, ordering.lexicographical())

CA,MAAA,KAqDQ,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,YA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,aA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,IA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,aA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,aA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,IA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,aA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,aA+DM,OAhEN,KAAA,EAAA,EAAA,KACA,MAAA,IA+DM,QAhEN,KAAA,EAAA,EAAA,KACA,MAAA,aA+DM,QAhEN,KAAA,EAAA,EAAA,KACA,MAAA,aA+DM,QAhEN,KAAA,EAAA,EAAA,KACA,MAAA,KAuEQ,UAxDV,YAAA,YAwDU,UAxDV,YAAA,aAwDU,UAxDV,YA...

1029..102A    ; valid                                  # 3.0  MYANMAR LETTER O..MYANMAR LETTER AU
102B          ; valid                                  # 5.1  MYANMAR VOWEL SIGN TALL AA
102C..1032    ; valid                                  # 3.0  MYANMAR VOWEL SIGN AA..MYANMAR VOWEL SIGN AI
1033..1035    ; valid                                  # 5.1  MYANMAR VOWEL SIGN MON II..MYANMAR VOWEL SIGN E ABOVE

  fun partialRangeResponsesDoNotCorruptCache() {
    // 1. Request a range.
    // 2. Request a full document, expecting a cache miss.
    server.enqueue(
      MockResponse
        .Builder()
        .body("AA")
        .code(HttpURLConnection.HTTP_PARTIAL)
        .addHeader("Expires: " + formatDate(1, TimeUnit.HOURS))
        .addHeader("Content-Range: bytes 1000-1001/2000")
        .build(),
    )

   *   a<>
   *  / \\
   * b   c
   *  \ /
   *   d<>
   * }
   *
   * {@code <>} indicates a self-loop
   */
  private static final SuccessorsFunction<Character> MULTI_GRAPH =
      createDirectedGraph("aa", "dd", "ab", "ac", "ca", "cd", "bd");

  /** A directed graph with a single cycle: a -> b -> c -> d -> a. */
  private static final SuccessorsFunction<Character> CYCLE_GRAPH =
      createDirectedGraph("ab", "bc", "cd", "da");