}

  /**
   * Returns {@code true} if {@code x} represents a power of two.
   *
   * <p>This differs from {@code Long.bitCount(x) == 1}, because {@code
   * Long.bitCount(Long.MIN_VALUE) == 1}, but {@link Long#MIN_VALUE} is not a power of two.
   */
  @SuppressWarnings("ShortCircuitBoolean")
  public static boolean isPowerOfTwo(long x) {
    return x > 0 & (x & (x - 1)) == 0;
  }

  /**

      assertThat(UnsignedInts.toLong(UnsignedInts.checkedCast(value))).isEqualTo(value);
    }
    assertCastFails(1L << 32);
    assertCastFails(-1L);
    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

  private static void assertCastFails(long value) {
    try {
      UnsignedInts.checkedCast(value);
      fail("Cast to int should have failed: " + value);
    } catch (IllegalArgumentException ex) {

  }

  /**
   * Returns {@code true} if {@code x} represents a power of two.
   *
   * <p>This differs from {@code Long.bitCount(x) == 1}, because {@code
   * Long.bitCount(Long.MIN_VALUE) == 1}, but {@link Long#MIN_VALUE} is not a power of two.
   */
  @SuppressWarnings("ShortCircuitBoolean")
  public static boolean isPowerOfTwo(long x) {
    return x > 0 & (x & (x - 1)) == 0;
  }

  /**

      .isEqualTo(Long.MIN_VALUE)
    assertThat(parseCookie(50000L, url, "a=b; Max-Age=0")!!.expiresAt)
      .isEqualTo(Long.MIN_VALUE)
    assertThat(parseCookie(50000L, url, "a=b; Max-Age=-9223372036854775808")!!.expiresAt)
      .isEqualTo(Long.MIN_VALUE)
    assertThat(parseCookie(50000L, url, "a=b; Max-Age=-9223372036854775809")!!.expiresAt)
      .isEqualTo(Long.MIN_VALUE)

                val long = value as Long
                if (Int.MIN_VALUE < long && long < Int.MAX_VALUE) KaConstantValue.KaIntConstantValue(long.toInt(), psi)
                else KaConstantValue.KaLongConstantValue(long, psi)
            }

            ConstantValueKind.UnsignedIntegerLiteral -> {
                val long = value as ULong

    assertThat(UnsignedLongs.join(",", 1, 2)).isEqualTo("1,2");
    assertThat(UnsignedLongs.join(",", -1, Long.MIN_VALUE))
        .isEqualTo("18446744073709551615,9223372036854775808");
    assertThat(UnsignedLongs.join("", 1, 2, 3)).isEqualTo("123");
    assertThat(UnsignedLongs.join("", -1, Long.MIN_VALUE))
        .isEqualTo("184467440737095516159223372036854775808");
  }

  @J2ktIncompatible

      assertThat(UnsignedBytes.checkedCast(UnsignedBytes.toInt(value))).isEqualTo(value);
    }
    assertCastFails(256L);
    assertCastFails(-1L);
    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

  public void testSaturatedCast() {
    for (byte value : VALUES) {
      assertThat(UnsignedBytes.saturatedCast(UnsignedBytes.toInt(value))).isEqualTo(value);
    }

    assertThat(UnsignedLongs.join(",", 1, 2)).isEqualTo("1,2");
    assertThat(UnsignedLongs.join(",", -1, Long.MIN_VALUE))
        .isEqualTo("18446744073709551615,9223372036854775808");
    assertThat(UnsignedLongs.join("", 1, 2, 3)).isEqualTo("123");
    assertThat(UnsignedLongs.join("", -1, Long.MIN_VALUE))
        .isEqualTo("184467440737095516159223372036854775808");
  }

  @J2ktIncompatible

   *     {@link Character#MAX_VALUE} if it is too large, or {@link Character#MIN_VALUE} if it is too
   *     small
   */
  public static char saturatedCast(long value) {
    if (value > Character.MAX_VALUE) {
      return Character.MAX_VALUE;
    }
    if (value < Character.MIN_VALUE) {
      return Character.MIN_VALUE;
    }
    return (char) value;
  }

  /**

    assertEquals(3327428144502L, BloomFilter.optimalNumOfBits(Integer.MAX_VALUE, Double.MIN_VALUE));
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,
            () -> {
              BloomFilter<String> unused =
                  BloomFilter.create(HashTestUtils.BAD_FUNNEL, Integer.MAX_VALUE, Double.MIN_VALUE);
            });
    assertThat(expected)
        .hasMessageThat()