assertEquals(0, queue.size());

    assertFalse(queue.remove("hi"));
    assertEquals(0, queue.size());

    assertThrows(NoSuchElementException.class, () -> queue.element());

    assertThat(queue.peek()).isNull();
    assertThat(queue.poll()).isNull();
    assertThrows(NoSuchElementException.class, () -> queue.remove());
  }

  public void testRemainingCapacity_maxSize0() {

      // make sure we time out
      Stopwatch timer = Stopwatch.createStarted();

      int drained = drain(q, new ArrayList<>(), 2, 10, MILLISECONDS, interruptibly);
      assertThat(drained).isAtMost(1);

      assertThat(timer.elapsed(MILLISECONDS)).isAtLeast(10L);

      // If even the first one wasn't there, clean up so that the next test doesn't see an element.
      producerThread.cancel(true);

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

package com.google.common.escape;

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

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

@NullUnmarked
public class CharEscaperBuilderTest extends TestCase {

  public void testAddEscapes() {

    checkThreadPoolName(thread3, 1);
    assertThat(thread2.getName().substring(0, thread.getName().lastIndexOf('-')))
        .isNotEqualTo(thread3.getName().substring(0, thread.getName().lastIndexOf('-')));
  }

  private static void checkThreadPoolName(Thread thread, int threadId) {
    assertThat(thread.getName()).matches("^pool-\\d+-thread-" + threadId + "$");
  }

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

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static java.util.concurrent.Executors.newCachedThreadPool;
import static java.util.concurrent.TimeUnit.SECONDS;

import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_QUERIES;
import static com.google.common.collect.testing.features.CollectionFeature.SERIALIZABLE;
import static com.google.common.truth.Truth.assertThat;

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

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

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.newDirectExecutorService;
import static com.google.common.util.concurrent.ReflectionFreeAssertThrows.assertThrows;

import static org.junit.Assert.assertThat;

import java.util.Set;

import org.junit.Test;

/**
 * @author higa
 */
public class CaseInsensitiveSetTest {

    /**
     * @throws Exception
     */
    @Test
    public void testContains() throws Exception {
        final Set<String> set = new CaseInsensitiveSet();
        set.add("one");
        assertThat(set.contains("ONE"), is(true));
    }

    assertEquals(map.keySet(), multimapView.keySet());
    assertEquals(map.keySet(), multimapView.keys().elementSet());
    assertThat(multimapView.keys()).contains("foo");
    assertThat(multimapView.values()).contains(1);
    assertThat(multimapView.entries()).contains(Maps.immutableEntry("foo", 1));
    assertThat(multimapView.asMap().entrySet())
        .contains(Maps.immutableEntry("foo", (Collection<Integer>) singleton(1)));

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

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.google.common.util.concurrent.MoreExecutors.shutdownAndAwaitTermination;