lessons in the schoolroom, and though this was not a VERY good
opportunity for showing off her knowledge, as there was no one to
listen to her, still it was good practice to say it over) `--yes,
that's about the right distance--but then I wonder what Latitude
or Longitude I've got to?'  (Alice had no idea what Latitude was,
or Longitude either, but thought they were nice grand words to
say.)

        Class<?> theClass = Class.forName(UNSAFE_COMPARATOR_NAME);

        // requireNonNull is safe because the class is an enum.
        Object[] constants = requireNonNull(theClass.getEnumConstants());

        // yes, UnsafeComparator does implement Comparator<byte[]>
        @SuppressWarnings("unchecked")
        Comparator<byte[]> comparator = (Comparator<byte[]>) constants[0];
        return comparator;

          @Override
          public void oneDeclared() throws SomeCheckedException {
            try {
              methodThatDoesntThrowAnything();
            } catch (Throwable t) {
              // yes, this block is never reached, but for purposes of illustration
              // we're keeping it the same in each test
              Throwables.propagateIfPossible(t, SomeCheckedException.class);

          @Override
          public void oneDeclared() throws SomeCheckedException {
            try {
              methodThatDoesntThrowAnything();
            } catch (Throwable t) {
              // yes, this block is never reached, but for purposes of illustration
              // we're keeping it the same in each test
              Throwables.propagateIfPossible(t, SomeCheckedException.class);

  }

  public void test_contains_nonnull_yes() {
    Iterator<@Nullable String> set = Arrays.<@Nullable String>asList("a", null, "b").iterator();
    assertTrue(Iterators.contains(set, "b"));
  }

  public void test_contains_nonnull_no() {
    Iterator<String> set = asList("a", "b").iterator();
    assertFalse(Iterators.contains(set, "c"));
  }

  public void test_contains_null_yes() {

    assertDoesntActuallyTrim(iia2);
  }

  private static void assertActuallyTrims(ImmutableIntArray iia) {
    ImmutableIntArray trimmed = iia.trimmed();
    assertThat(trimmed).isNotSameInstanceAs(iia);

    // Yes, this is apparently how you check array equality in Truth
    assertThat(trimmed.toArray()).isEqualTo(iia.toArray());
  }

  private static void assertDoesntActuallyTrim(ImmutableIntArray iia) {

         *
         * - in `run`, which can't run until this Runnable is submitted to an executor, which
         *   doesn't happen until below. (And this Executor -- yes, the object is both a Runnable
         *   and an Executor -- is used for only a single `execute` call.)
         */
        ThreadConfinedTaskQueue submittingTaskQueue = requireNonNull(sequencer).latestTaskQueue;

     * wrapper around j.u.HashSet, which has built-in flooding protection. MAX_RUN_MULTIPLIER was
     * determined experimentally to match our desired probability of false positives.
     */
    // NB: yes, this is surprisingly high, but that's what the experiments said was necessary
    // Raising this number slows the worst-case contains behavior, speeds up hashFloodingDetected,
    // and reduces the false-positive probability.

@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
public class CollectionIsEmptyTester<E> extends AbstractCollectionTester<E> {
  @CollectionSize.Require(ZERO)
  public void testIsEmpty_yes() {
    assertTrue("isEmpty() should return true", collection.isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmpty_no() {

 * <p>"IPv4 mapped" addresses were originally a representation of IPv4 addresses for use on an IPv6
 * socket that could receive both IPv4 and IPv6 connections (by disabling the {@code IPV6_V6ONLY}
 * socket option on an IPv6 socket). Yes, it's confusing. Nevertheless, these "mapped" addresses
 * were never supposed to be seen on the wire. That assumption was dropped, some say mistakenly, in
 * later RFCs with the apparent aim of making IPv4-to-IPv6 transition simpler.