String input = "20";
    assertThat(Strings.repeat(input, 0)).isEqualTo("");
    assertThat(Strings.repeat(input, 1)).isEqualTo("20");
    assertThat(Strings.repeat(input, 2)).isEqualTo("2020");
    assertThat(Strings.repeat(input, 3)).isEqualTo("202020");

    assertThat(Strings.repeat("", 4)).isEqualTo("");

    for (int i = 0; i < 100; ++i) {
      assertEquals(2 * i, Strings.repeat(input, i).length());
    }

    String input = "20";
    assertThat(Strings.repeat(input, 0)).isEqualTo("");
    assertThat(Strings.repeat(input, 1)).isEqualTo("20");
    assertThat(Strings.repeat(input, 2)).isEqualTo("2020");
    assertThat(Strings.repeat(input, 3)).isEqualTo("202020");

    assertThat(Strings.repeat("", 4)).isEqualTo("");

    for (int i = 0; i < 100; ++i) {
      assertEquals(2 * i, Strings.repeat(input, i).length());
    }

                new double[] {2.0, 3.0, 2.0, 3.0, 4.0, 2.0, 3.0}, new double[] {2.0, 3.0, 4.0}))
        .isEqualTo(2);
    assertThat(
            Doubles.indexOf(
                new double[] {2.0, 2.0, 3.0, 4.0, 2.0, 3.0, 4.0}, new double[] {2.0, 3.0, 4.0}))
        .isEqualTo(1);
    assertThat(Doubles.indexOf(new double[] {4.0, 3.0, 2.0}, new double[] {2.0, 3.0, 4.0}))
        .isEqualTo(-1);

    for (double value : NUMBERS) {

                new double[] {2.0, 3.0, 2.0, 3.0, 4.0, 2.0, 3.0}, new double[] {2.0, 3.0, 4.0}))
        .isEqualTo(2);
    assertThat(
            Doubles.indexOf(
                new double[] {2.0, 2.0, 3.0, 4.0, 2.0, 3.0, 4.0}, new double[] {2.0, 3.0, 4.0}))
        .isEqualTo(1);
    assertThat(Doubles.indexOf(new double[] {4.0, 3.0, 2.0}, new double[] {2.0, 3.0, 4.0}))
        .isEqualTo(-1);

    for (double value : NUMBERS) {

              public void realRun() {
                while (!a.compareAndSet(0, 2.0, 3.0)) {
                  Thread.yield();
                }
              }
            });

    assertTrue(a.compareAndSet(0, 1.0, 2.0));
    awaitTermination(t);
    assertBitEquals(3.0, a.get(0));
  }

  public void expireAfterWrite() {
    Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder().expireAfterWrite(1000, MILLISECONDS).ticker(fakeTicker).build();

    cache.put(10, 100);
    cache.put(20, 200);
    cache.put(4, 2);

    fakeTicker.advance(999, MILLISECONDS);
    assertThat(cache.getIfPresent(10)).isEqualTo(100);
    assertThat(cache.getIfPresent(20)).isEqualTo(200);

  public void expireAfterWrite() {
    Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder().expireAfterWrite(1000, MILLISECONDS).ticker(fakeTicker).build();

    cache.put(10, 100);
    cache.put(20, 200);
    cache.put(4, 2);

    fakeTicker.advance(999, MILLISECONDS);
    assertThat(cache.getIfPresent(10)).isEqualTo(100);
    assertThat(cache.getIfPresent(20)).isEqualTo(200);

            102,
            Math.scalb(1.0, 53),
            Integer.MIN_VALUE,
            Integer.MAX_VALUE,
            Long.MIN_VALUE,
            Long.MAX_VALUE)) {
      for (double delta : Doubles.asList(0.0, 1.0, 2.0)) {
        integralBuilder.addAll(Doubles.asList(d + delta, d - delta, -d - delta, -d + delta));
      }
      for (double delta : Doubles.asList(0.01, 0.1, 0.25, 0.499, 0.5, 0.501, 0.7, 0.8)) {

        .addEqualityGroup(BloomFilter.create(byteArrayFunnel(), 200, 0.02))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 100, 0.01))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 100, 0.02))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 200, 0.01))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 200, 0.02))
        .testEquals();
  }

     * 8. We expect the test thread's interrupt state to be false.
     */
    InterruptionUtil.requestInterruptIn(200, MILLISECONDS);

    assertFalse(Thread.interrupted());
    try {
      delayedFuture.get(20000, MILLISECONDS);
      fail("expected to be interrupted");
    } catch (InterruptedException expected) {
    } catch (TimeoutException e) {
      throw new RuntimeException(e);
    }