clientListener.assertFailure(
      101,
      null,
      ProtocolException::class.java,
      "Expected 'Connection' header value 'Upgrade' but was 'null'",
    )
    webSocket.cancel()
  }

  @Test
  @Throws(IOException::class)
  fun wrongConnectionHeader() {
    webServer.enqueue(
      MockResponse
        .Builder()
        .code(101)
        .setHeader("Upgrade", "websocket")

    ).isEqualTo("1080::8:800:200c:417a")

    assertThat("1080::8:800:200C:417A".toCanonicalHost()).isEqualTo("1080::8:800:200c:417a")
    assertThat("FF01::101".toCanonicalHost()).isEqualTo("ff01::101")
    assertThat(
      "0:0:0:0:0:FFFF:129.144.52.38".toCanonicalHost(),
    ).isEqualTo("129.144.52.38")

    assertThat("::FFFF:129.144.52.38".toCanonicalHost()).isEqualTo("129.144.52.38")

        assertVersionOlder("1.0-SNAPSHOT-SNAPSHOT", "1.0-SNAPSHOT");
        assertVersionOlder("1.0-alpha-1-SNAPSHOT-SNAPSHOT", "1.0-alpha-1-SNAPSHOT");

        assertVersionOlder("1.0-SNAPSHOT", "1.0-1-SNAPSHOT");
        assertVersionOlder("1.0-1-SNAPSHOT", "1.0-2-SNAPSHOT");
        // assertVersionEqual( "2.0-0-SNAPSHOT", "2.0-SNAPSHOT" );
        assertVersionOlder("2.0-SNAPSHOT", "2.0-1-SNAPSHOT");

        IllegalArgumentException.class,
        () -> HostAndPort.fromString("::1").requireBracketsForIPv6());
  }

  public void testToString() {
    // With ports.
    assertEquals("foo:101", "" + HostAndPort.fromString("foo:101"));
    assertEquals(":102", HostAndPort.fromString(":102").toString());
    assertEquals("[1::2]:103", HostAndPort.fromParts("1::2", 103).toString());

        IllegalArgumentException.class,
        () -> HostAndPort.fromString("::1").requireBracketsForIPv6());
  }

  public void testToString() {
    // With ports.
    assertEquals("foo:101", "" + HostAndPort.fromString("foo:101"));
    assertEquals(":102", HostAndPort.fromString(":102").toString());
    assertEquals("[1::2]:103", HostAndPort.fromParts("1::2", 103).toString());

    while (sizeRemaining > 0) {
      // The JVM will return interned values for small ints.
      Integer value = random.nextInt(1000) + 128;
      int count = min(random.nextInt(10) + 1, sizeRemaining);
      sizeRemaining -= count;
      hashMultiset.add(value, count);
      linkedHashMultiset.add(value, count);
      treeMultiset.add(value, count);
    }

  private static final byte[] ARRAY1 = {(byte) 1};

  private static final byte LEAST = Byte.MIN_VALUE;
  private static final byte GREATEST = Byte.MAX_VALUE;

  private static final byte[] VALUES = {LEAST, -1, 0, 1, GREATEST};

  public void testCheckedCast() {
    for (byte value : VALUES) {
      assertThat(SignedBytes.checkedCast((long) value)).isEqualTo(value);
    }
    assertCastFails(GREATEST + 1L);

  private static final byte[] ARRAY1 = {(byte) 1};

  private static final byte LEAST = Byte.MIN_VALUE;
  private static final byte GREATEST = Byte.MAX_VALUE;

  private static final byte[] VALUES = {LEAST, -1, 0, 1, GREATEST};

  public void testCheckedCast() {
    for (byte value : VALUES) {
      assertThat(SignedBytes.checkedCast((long) value)).isEqualTo(value);
    }
    assertCastFails(GREATEST + 1L);

  private static final byte[] EMPTY = {};
  private static final byte[] ARRAY1 = {(byte) 1};
  private static final byte[] ARRAY234 = {(byte) 2, (byte) 3, (byte) 4};

  private static final byte[] VALUES = {Byte.MIN_VALUE, -1, 0, 1, Byte.MAX_VALUE};

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testHashCode() {
    for (byte value : VALUES) {

    assertThat(input).isEqualTo(expectedOutput);
  }

  public void testReverseIndexed() {
    testReverse(new char[] {}, 0, 0, new char[] {});
    testReverse(new char[] {'1'}, 0, 1, new char[] {'1'});
    testReverse(new char[] {'1', '2'}, 0, 2, new char[] {'2', '1'});
    testReverse(new char[] {'3', '1', '1'}, 0, 2, new char[] {'1', '3', '1'});