CacheBuilder.newBuilder().maximumSize(9000), CacheBuilder.from(spec));
  }

  public void testParse_maximumSizeRepeated() {
    assertThrows(IllegalArgumentException.class, () -> parse("maximumSize=10, maximumSize=20"));
  }

  public void testParse_maximumWeight() {
    CacheBuilderSpec spec = parse("maximumWeight=9000");
    assertNull(spec.initialCapacity);
    assertEquals(9000, spec.maximumWeight.longValue());

        CacheBuilder.newBuilder().maximumSize(9000), CacheBuilder.from(spec));
  }

  public void testParse_maximumSizeRepeated() {
    assertThrows(IllegalArgumentException.class, () -> parse("maximumSize=10, maximumSize=20"));
  }

  public void testParse_maximumWeight() {
    CacheBuilderSpec spec = parse("maximumWeight=9000");
    assertNull(spec.initialCapacity);
    assertEquals(9000, spec.maximumWeight.longValue());

                InetAddresses.forString("2001:0000:4136:e378:8000:63bf:3fff:fdd2")))
        .isNotEqualTo(InetAddresses.forString("192.0.2.45"));

    // 2 Teredo addresses differing in their embedded IPv4 addresses should hash to different
    // values.
    assertThat(
            InetAddresses.getCoercedIPv4Address(
                InetAddresses.forString("2001:0000:4136:e378:8000:63bf:3fff:fdd2")))
        .isNotEqualTo(

                InetAddresses.forString("2001:0000:4136:e378:8000:63bf:3fff:fdd2")))
        .isNotEqualTo(InetAddresses.forString("192.0.2.45"));

    // 2 Teredo addresses differing in their embedded IPv4 addresses should hash to different
    // values.
    assertThat(
            InetAddresses.getCoercedIPv4Address(
                InetAddresses.forString("2001:0000:4136:e378:8000:63bf:3fff:fdd2")))
        .isNotEqualTo(

    assertEquals(0.2, limiter.acquire(), EPSILON);
  }

  public void testOneSecondBurst() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    stopwatch.sleepMillis(1000); // max capacity reached
    stopwatch.sleepMillis(1000); // this makes no difference
    limiter.acquire(1); // R0.00, since it's the first request

    limiter.acquire(1); // R0.00, from capacity
    limiter.acquire(3); // R0.00, from capacity

 * second. This could be accomplished by requiring a permit per byte, and specifying a rate of 5000
 * permits per second:
 *
 * <pre>{@code
 * final RateLimiter rateLimiter = RateLimiter.create(5000.0); // rate = 5000 permits per second
 * void submitPacket(byte[] packet) {
 *   rateLimiter.acquire(packet.length);
 *   networkService.send(packet);
 * }
 * }</pre>
 *

    testThreshold(0, 100, true, false);
    testThreshold(10, 100, true, false);
    testThreshold(100, 100, true, false);
    testThreshold(1000, 100, true, false);
    testThreshold(0, 100, false, false);
    testThreshold(10, 100, false, false);
    testThreshold(100, 100, false, false);
    testThreshold(1000, 100, false, false);
  }

  private void testThreshold(

    tester.testAllPublicStaticMethods(BloomFilter.class);
  }

  /** Tests that we never get an optimal hashes number of zero. */
  public void testOptimalHashes() {
    for (int n = 1; n < 1000; n++) {
      for (int m = 0; m < 1000; m++) {
        assertTrue(BloomFilter.optimalNumOfHashFunctions(n, m) > 0);
      }
    }
  }

  // https://code.google.com/p/guava-libraries/issues/detail?id=1781

  @GwtIncompatible // blocking wait
  public void testRunIdempotency() throws Exception {
    final int numThreads = 10;
    final ExecutorService executor = Executors.newFixedThreadPool(numThreads);
    for (int i = 0; i < 1000; i++) {
      final AtomicInteger counter = new AtomicInteger();
      final TrustedListenableFutureTask<Integer> task =
          TrustedListenableFutureTask.create(
              new Callable<Integer>() {

    long startTime = System.nanoTime();
    long ns = millis * 1000 * 1000;
    for (; ; ) {
      if (millis > 0L) Thread.sleep(millis);
      else // too short to sleep
      Thread.yield();
      long d = ns - (System.nanoTime() - startTime);
      if (d > 0L) millis = d / (1000 * 1000);
      else break;
    }
  }