*
   * <p>Note about generics: The signature {@code public T or(T defaultValue)} is overly
   * restrictive. However, the ideal signature, {@code public <S super T> S or(S)}, is not legal
   * Java. As a result, some sensible operations involving subtypes are compile errors:
   *
   * <pre>{@code
   * Optional<Integer> optionalInt = getSomeOptionalInt();
   * Number value = optionalInt.or(0.5); // error

        // The BigInteger implementation is tested separately, use it as the reference.
        // Promote the int value (rather than using intValue() on the expected value) to avoid
        // any risk of truncation which could lead to a false positive.
        assertEquals(BigIntegerMath.sqrt(valueOf(x), mode), valueOf(IntMath.sqrt(x, mode)));
      }
    }
  }

  /* Relies on the correctness of sqrt(int, FLOOR). */

    assertThat(newArray).isEqualTo(new double[] {(double) 0, (double) 1, (double) 2});
    newArray[1] = (double) 5;
    assertThat((double) list.get(1)).isEqualTo((double) 1);
  }

  // This test stems from a real bug found by andrewk
  public void testAsList_subList_toArray_roundTrip() {
    double[] array = {(double) 0, (double) 1, (double) 2, (double) 3};
    List<Double> list = Doubles.asList(array);

    assertThat(newArray).isEqualTo(new long[] {(long) 0, (long) 1, (long) 2});
    newArray[1] = (long) 5;
    assertThat((long) list.get(1)).isEqualTo((long) 1);
  }

  // This test stems from a real bug found by andrewk
  public void testAsList_subList_toArray_roundTrip() {
    long[] array = {(long) 0, (long) 1, (long) 2, (long) 3};
    List<Long> list = Longs.asList(array);

    assertThat(newArray).isEqualTo(new double[] {(double) 0, (double) 1, (double) 2});
    newArray[1] = (double) 5;
    assertThat((double) list.get(1)).isEqualTo((double) 1);
  }

  // This test stems from a real bug found by andrewk
  public void testAsList_subList_toArray_roundTrip() {
    double[] array = {(double) 0, (double) 1, (double) 2, (double) 3};
    List<Double> list = Doubles.asList(array);

    assertThat(newArray).isEqualTo(new long[] {(long) 0, (long) 1, (long) 2});
    newArray[1] = (long) 5;
    assertThat((long) list.get(1)).isEqualTo((long) 1);
  }

  // This test stems from a real bug found by andrewk
  public void testAsList_subList_toArray_roundTrip() {
    long[] array = {(long) 0, (long) 1, (long) 2, (long) 3};
    List<Long> list = Longs.asList(array);

    Object key = new Object();
    assertNotNull(cache.getUnchecked(key));

    CacheTesting.simulateValueReclamation(cache, key);

    // this blocks if computation can't deal with partially-collected values
    assertNotNull(cache.getUnchecked(key));
    assertEquals(1, cache.size());
    assertEquals(2, countingLoader.getCount());

    CacheTesting.simulateValueReclamation(cache, key);

     * nullness annotations in ImmutableMap and those in its own Map type. In response, it considers
     * the parameter and return type both to be platform types. As a result, Kotlin permits calls
     * that can lead to NullPointerException. That's unfortunate. But hopefully most Kotlin callers
     * use `get(key) ?: defaultValue` instead of this method, anyway.
     */
    V result = get(key);

      HashMap<Object, Object> map1,
      HashMap<Object, Object> map2)
      throws Exception {
    // Only start measuring table size after the first element inserted, to
    // deal with empty-map optimization.
    map1.put(0, null);

    int initialBuckets = bucketsOf(map1);

    for (int i = 1; i < size; i++) {
      map1.put(i, null);
    }

      HashMap<Object, Object> map1,
      HashMap<Object, Object> map2)
      throws Exception {
    // Only start measuring table size after the first element inserted, to
    // deal with empty-map optimization.
    map1.put(0, null);

    int initialBuckets = bucketsOf(map1);

    for (int i = 1; i < size; i++) {
      map1.put(i, null);
    }