class SettingsTest {
  @Test
  fun unsetField() {
    val settings = Settings()
    assertThat(settings.isSet(Settings.MAX_CONCURRENT_STREAMS)).isFalse()
    assertThat(settings.getMaxConcurrentStreams()).isEqualTo(Int.MAX_VALUE)
  }

  @Test
  fun setFields() {
    val settings = Settings()
    settings[Settings.HEADER_TABLE_SIZE] = 8096
    assertThat(settings.headerTableSize).isEqualTo(8096)

  public void testIndexOf_specialValues() {
    ImmutableDoubleArray iia =
        ImmutableDoubleArray.of(-0.0, 0.0, Double.MAX_VALUE, Double.POSITIVE_INFINITY, Double.NaN);
    assertThat(iia.indexOf(-0.0)).isEqualTo(0);
    assertThat(iia.indexOf(0.0)).isEqualTo(1);
    assertThat(iia.indexOf(Double.MAX_VALUE)).isEqualTo(2);
    assertThat(iia.indexOf(Double.POSITIVE_INFINITY)).isEqualTo(3);
    assertThat(iia.indexOf(Double.NaN)).isEqualTo(4);

  }

  public void testInfinity_bursty() {
    RateLimiter limiter = RateLimiter.create(Double.POSITIVE_INFINITY, stopwatch);
    limiter.acquire(Integer.MAX_VALUE / 4);
    limiter.acquire(Integer.MAX_VALUE / 2);
    limiter.acquire(Integer.MAX_VALUE);
    assertEvents("R0.00", "R0.00", "R0.00"); // no wait, infinite rate!

    limiter.setRate(2.0);
    limiter.acquire();
    limiter.acquire();

  }

  public void testInfinity_bursty() {
    RateLimiter limiter = RateLimiter.create(Double.POSITIVE_INFINITY, stopwatch);
    limiter.acquire(Integer.MAX_VALUE / 4);
    limiter.acquire(Integer.MAX_VALUE / 2);
    limiter.acquire(Integer.MAX_VALUE);
    assertEvents("R0.00", "R0.00", "R0.00"); // no wait, infinite rate!

    limiter.setRate(2.0);
    limiter.acquire();
    limiter.acquire();

          // We attempted to retry and got another timeout. Give up.
          return null
        }

        if (retryAfter(userResponse, Integer.MAX_VALUE) == 0) {
          // specifically received an instruction to retry without delay.
          return userResponse.request
        }

        return null
      }

      HTTP_MISDIRECTED_REQUEST -> {

        assertNotNull(trans2SetFileInfo);

        // Test with maximum values
        trans2SetFileInfo = new Trans2SetFileInformation(config, 0xFFFF, Integer.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE);
        assertNotNull(trans2SetFileInfo);
    }

    @Test
    @DisplayName("Test attributes with OR operation")
    void testAttributesWithOrOperation() {

        // Test with maximum integer value
        int maxFlags = Integer.MAX_VALUE;
        AvFlags maxAvFlags = new AvFlags(maxFlags);
        assertNotNull(maxAvFlags, "AvFlags object should not be null for max flags");
        assertEquals(maxFlags, maxAvFlags.getFlags(), "Flags should match Integer.MAX_VALUE");

        // Test with minimum integer value
        int minFlags = Integer.MIN_VALUE;

        verify(messageBlock).getMid();
    }

    @Test
    @DisplayName("Test setMid with boundary values")
    void testSetMidWithBoundaryValues() {
        // Test with MAX_VALUE
        long maxMid = Long.MAX_VALUE;
        doNothing().when(messageBlock).setMid(maxMid);
        when(messageBlock.getMid()).thenReturn(maxMid);

        messageBlock.setMid(maxMid);

  require(millis <= Integer.MAX_VALUE) { "$name too large" }
  require(millis != 0L || duration <= 0L) { "$name too small" }
  return millis.toInt()
}

internal fun checkDuration(
  name: String,
  duration: Duration,
): Int {
  check(!duration.isNegative()) { "$name < 0" }
  val millis = duration.inWholeMilliseconds
  require(millis <= Integer.MAX_VALUE) { "$name too large" }

                Arguments.of(1, 1L, 1L, 1L, 1L), // ones
                Arguments.of(123, 456L, 789L, 101112L, 131415L), // arbitrary positives
                Arguments.of(Integer.MAX_VALUE, Long.MAX_VALUE, Long.MIN_VALUE, 999_999_999_999L, -1L), // extremes
                Arguments.of(-1, -2L, -3L, -4L, -5L) // negative values
        );
    }