*/

package com.google.common.util.concurrent;

import static com.google.common.base.Verify.verify;
import static com.google.common.util.concurrent.Internal.toNanosSaturated;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;

 */

package com.google.common.util.concurrent;

import static com.google.common.base.Verify.verify;
import static com.google.common.util.concurrent.Internal.toNanosSaturated;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;

        hook.start();
      }
      for (Thread hook : hooks) {
        hook.join();
      }
    }
  }

  /* Half of a 1-second timeout in nanoseconds */
  private static final long HALF_SECOND_NANOS = NANOSECONDS.convert(1L, SECONDS) / 2;

  public void testShutdownAndAwaitTermination_immediateShutdown() throws Exception {
    ExecutorService service = Executors.newSingleThreadExecutor();

        hook.start();
      }
      for (Thread hook : hooks) {
        hook.join();
      }
    }
  }

  /* Half of a 1-second timeout in nanoseconds */
  private static final long HALF_SECOND_NANOS = NANOSECONDS.convert(1L, SECONDS) / 2;

  public void testShutdownAndAwaitTermination_immediateShutdown() throws Exception {
    ExecutorService service = Executors.newSingleThreadExecutor();

import static java.lang.Thread.currentThread;
import static java.util.concurrent.Executors.newCachedThreadPool;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.base.Stopwatch;
import java.util.Collection;
import java.util.List;

    RateLimiter unused;
    unused = RateLimiter.create(1.0, 1, NANOSECONDS);
    unused = RateLimiter.create(1.0, 0, NANOSECONDS);

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(0.0, 1, NANOSECONDS));

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(1.0, -1, NANOSECONDS));
  }

  @AndroidIncompatible // difference in String.format rounding?

    RateLimiter unused;
    unused = RateLimiter.create(1.0, 1, NANOSECONDS);
    unused = RateLimiter.create(1.0, 0, NANOSECONDS);

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(0.0, 1, NANOSECONDS));

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(1.0, -1, NANOSECONDS));
  }

  @AndroidIncompatible // difference in String.format rounding?

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.collect;

import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;

  }

  public void testTimeToIdleAndToLive() {
    LoadingCache<?, ?> unused =
        CacheBuilder.newBuilder()
            .expireAfterWrite(1, NANOSECONDS)
            .expireAfterAccess(1, NANOSECONDS)
            .build(identityLoader());
    // well, it didn't blow up.
  }

  @GwtIncompatible // refreshAfterWrite
  public void testRefresh_zero() {

   * @since 28.0
   */
  default <T> T newProxy(T target, Class<T> interfaceType, Duration timeout) {
    return newProxy(target, interfaceType, toNanosSaturated(timeout), TimeUnit.NANOSECONDS);
  }

  /**
   * Invokes a specified Callable, timing out after the specified time limit. If the target method
   * call finishes before the limit is reached, the return value or a wrapped exception is