// permitted not to throw because it would be a no-op
    }
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testReplace_absentNullKeyUnsupported() {
    try {
      getMap().replace(null, v3());
    } catch (NullPointerException tolerated) {
      // permitted not to throw because it would be a no-op
    }
    expectUnchanged();
  }

   * the range set that are {@linkplain Range#isConnected(Range) connected} with it. Moreover, if
   * {@code range} is empty, this is a no-op.
   *
   * @throws UnsupportedOperationException if this range set does not support the {@code add}
   *     operation
   */
  void add(Range<C> range);

  /**

      // permitted not to throw because it would be a no-op
    }
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testReplace_absentNullKeyUnsupported() {
    try {
      getMap().replace(null, v3());
    } catch (NullPointerException tolerated) {
      // permitted not to throw because it would be a no-op
    }
    expectUnchanged();
  }

   */
  private void collectValueFromNonCancelledFuture(int index, Future<? extends InputT> future) {
    try {
      // We get the result, even if collectOneValue is a no-op, so that we can fail fast.
      collectOneValue(index, getDone(future));
    } catch (ExecutionException e) {
      handleException(e.getCause());
    } catch (Throwable t) { // sneaky checked exception

      };

  private static final UncaughtExceptionHandler UNCAUGHT_EXCEPTION_HANDLER =
      new UncaughtExceptionHandler() {
        @Override
        public void uncaughtException(Thread t, Throwable e) {
          // No-op
        }
      };

  private ThreadFactoryBuilder builder;
  private volatile boolean completed = false;

  @Override
  public void setUp() {
    builder = new ThreadFactoryBuilder();
  }

      ImmutableLongArray.Builder builder = ImmutableLongArray.builder(RANDOM.nextInt(20));
      AtomicLong counter = new AtomicLong(0);
      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableLongArray iia = builder.build();
      for (int j = 0; j < iia.length(); j++) {
        assertThat(iia.get(j)).isEqualTo((long) j);
      }
    }

import static com.google.common.truth.Truth.assertThat;

import junit.framework.TestCase;

/** Unit tests for {@link LongAdder}. */
public class LongAdderTest extends TestCase {

  /**
   * No-op null-pointer test for {@link LongAdder} to override the {@link PackageSanityTests}
   * version, which checks package-private methods that we don't want to have to annotate as {@code
   * Nullable} because we don't want diffs from jsr166e.

/**
 * A generic JUnit test which tests multiset-specific serialization. Can't be invoked directly;
 * please see {@link MultisetTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible // but no-op
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
public class MultisetSerializationTester<E> extends AbstractMultisetTester<E> {

      ImmutableDoubleArray.Builder builder = ImmutableDoubleArray.builder(RANDOM.nextInt(20));
      AtomicInteger counter = new AtomicInteger(0);
      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableDoubleArray iia = builder.build();
      for (int j = 0; j < iia.length(); j++) {
        assertThat(iia.get(j)).isEqualTo((double) j);
      }
    }

    // CharMatcher.precomputed() produces CharMatchers that are maybe a little
    // faster (and that's debatable), but definitely more memory-hungry. We're
    // choosing to turn .precomputed() into a no-op in GWT, because it doesn't
    // seem to be a worthwhile tradeoff in a browser.
    return matcher;
  }

  static String formatCompact4Digits(double value) {
    return "" + ((Number) (Object) value).toPrecision(4);