*
 * @author Jared Levy
 */
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class QueuePeekTester<E> extends AbstractQueueTester<E> {
  @CollectionSize.Require(ZERO)
  public void testPeek_empty() {
    assertNull("emptyQueue.peek() should return null", getQueue().peek());
    expectUnchanged();
  }

import com.google.common.collect.testing.testers.QueueElementTester;
import com.google.common.collect.testing.testers.QueueOfferTester;
import com.google.common.collect.testing.testers.QueuePeekTester;
import com.google.common.collect.testing.testers.QueuePollTester;
import com.google.common.collect.testing.testers.QueueRemoveTester;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.ArrayList;