assertFalse(aa.compareAndSet(i, -0.0, 7.0));
      assertFalse(aa.weakCompareAndSet(i, -0.0, 7.0));
      assertBitEquals(+0.0, aa.get(i));
      assertTrue(aa.compareAndSet(i, +0.0, -0.0));
      assertBitEquals(-0.0, aa.get(i));
      assertFalse(aa.compareAndSet(i, +0.0, 7.0));
      assertFalse(aa.weakCompareAndSet(i, +0.0, 7.0));
      assertBitEquals(-0.0, aa.get(i));
    }
  }

      Headers
        .Builder()
        .add("A", "aa")
        .add("a", "aa")
        .add("B", "bb")
        .build()
    val headers =
      Headers
        .Builder()
        .add("A", "a")
        .addAll(sourceHeaders)
        .add("C", "c")
        .build()
    assertThat(headers.toString()).isEqualTo("A: a\nA: aa\na: aa\nB: bb\nC: c\n")
  }

  @Test fun nameIndexesAreStrict() {

        NetworkBuilder.directed().allowsSelfLoops(true).build();
    mutableNetwork.addEdge("A", "A", "AA");
    mutableNetwork.addEdge("A", "B", "AB");
    Network<String, String> network = ImmutableNetwork.copyOf(mutableNetwork);

    assertThat(network.edgesConnecting("A", "A")).containsExactly("AA");
    assertThat(network.edgesConnecting("A", "B")).containsExactly("AB");

        assertEquals("\"aaa bbb\" \"ccc\"", getAsQuery(Collections.singletonMap(k, new String[] { "aaa bbb", "ccc" })));
        assertEquals("\"a\\\"aa\"", getAsQuery(Collections.singletonMap(k, new String[] { "a\"aa" })));
        assertEquals("\"aaa bbb\"", getAsQuery("111", Collections.singletonMap(k, new String[] { "aaa bbb" })));
    }

    public void test_conditions_oq() {

    cache.maxSize = 8
    taskFaker.runNextTask()
    set("a", "aa", "aa")
    set("b", "bb", "bbb")

    // Cause the cache trim job to fail.
    filesystem.setFaultyDelete(cacheDir / "a.0", true)
    taskFaker.runNextTask()

    // Confirm we still allow snapshot reads after a trim failure.
    assertValue("a", "aa", "aa")
    assertValue("b", "bb", "bbb")

    // Allow the test to clean up.

    assertEquals("", Strings.commonPrefix("xyz", "abcde"));
    assertEquals("", Strings.commonPrefix("xyz", "abcxyz"));
    assertEquals("a", Strings.commonPrefix("abc", "aaaaa"));
    assertEquals("aa", Strings.commonPrefix("aa", "aaaaa"));
    assertEquals("abc", Strings.commonPrefix(new StringBuilder("abcdef"), "abcxyz"));

    // Identical valid surrogate pairs.
    assertEquals(

[
  {
    "comment": "Label with hyphens in 3rd and 4th position",
    "input": "aa--",
    "output": "aa--"
  },
  {
    "input": "a†--",
    "output": "xn--a---kp0a"
  },
  {
    "input": "ab--c",
    "output": "ab--c"
  },
  {
    "comment": "Label with leading hyphen",
    "input": "-x",
    "output": "-x"
  },
  {
    "input": "-†",
    "output": "xn----xhn"
  },
  {
    "input": "-x.xn--zca",

    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, Comparators.lexicographical(comparator))

        assertTrue(StringUtil.endsWithIgnoreCase("aaa_hoge", "HOge"));
        assertFalse(StringUtil.endsWithIgnoreCase("setHogeaa", "Aaa"));
        assertFalse(StringUtil.endsWithIgnoreCase("aa", "Aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testStartsWithIgnoreCase() throws Exception {
        assertTrue(StringUtil.startsWithIgnoreCase("isHoge", "is"));

    assertThat(parse("http://${name251}a./").toString()).isEqualTo("http://${name251}a./")
    assertThat(parse("http://${name251}aa/").toString()).isEqualTo("http://${name251}aa/")
    assertInvalid("http://${name251}aa./", "Invalid URL host: \"${name251}aa.\"")
  }

  @Test
  fun labelIsEmpty() {
    assertInvalid("http:///", "Invalid URL host: \"\"")