assertEquals(0, drain(q, ImmutableList.of(), 0, 10, MILLISECONDS, interruptibly));
    }
  }

  public void testEmpty() throws Exception {
    for (BlockingQueue<Object> q : blockingQueues()) {
      testEmpty(q);
    }
  }

  private void testEmpty(BlockingQueue<Object> q) {
    assertDrained(q);
  }

  public void testNegativeMaxElements() throws Exception {

import junit.framework.TestCase;

/**
 * Unit test for {@link CacheStats}.
 *
 * @author Charles Fry
 */
public class CacheStatsTest extends TestCase {

  public void testEmpty() {
    CacheStats stats = new CacheStats(0, 0, 0, 0, 0, 0);
    assertEquals(0, stats.requestCount());
    assertEquals(0, stats.hitCount());
    assertThat(stats.hitRate()).isEqualTo(1.0);

                CollectionFeature.KNOWN_ORDER,
                CollectionSize.ANY,
                MapFeature.ALLOWS_ANY_NULL_QUERIES)
            .createTestSuite());

    return suite;
  }

  public void testEmpty() {
    assertEquals(0, ImmutableTypeToInstanceMap.of().size());
  }

  public void testPrimitiveAndWrapper() {
    ImmutableTypeToInstanceMap<Number> map =
        ImmutableTypeToInstanceMap.<Number>builder()

 * Unit tests for {@link Crc32c}. Known test values are from RFC 3720, Section B.4.
 *
 * @author Patrick Costello
 * @author Kurt Alfred Kluever
 */
public class Crc32cHashFunctionTest extends TestCase {
  public void testEmpty() {
    assertCrc(0, new byte[0]);
  }

  public void testZeros() {
    // Test 32 byte array of 0x00.
    byte[] zeros = new byte[32];
    assertCrc(0x8a9136aa, zeros);
  }

 * Unit tests for {@link Crc32c}. Known test values are from RFC 3720, Section B.4.
 *
 * @author Patrick Costello
 * @author Kurt Alfred Kluever
 */
public class Crc32cHashFunctionTest extends TestCase {
  public void testEmpty() {
    assertCrc(0, new byte[0]);
  }

  public void testZeros() {
    // Test 32 byte array of 0x00.
    byte[] zeros = new byte[32];
    assertCrc(0x8a9136aa, zeros);
  }

    for (int i = 0; i < ITERATIONS; i++) {
      map.put(new Object(), i);
      sum += i;
    }
    assertEquals(ITERATIONS, map.size());
    assertEquals(sum, map.sum());
  }

  public void testEmpty() {
    AtomicLongMap<String> map = AtomicLongMap.create();
    assertEquals(0L, map.get("a"));
    assertEquals(0, map.size());
    assertTrue(map.isEmpty());
    assertFalse(map.remove("a", 1L));

    ImmutableBiMap<String, Integer> copy = ImmutableBiMap.copyOf(original);
    assertMapEquals(copy, "one", 1, "two", 2, "three", 3);
    assertSame(copy, ImmutableBiMap.copyOf(copy));
  }

  public void testEmpty() {
    ImmutableBiMap<String, Integer> bimap = ImmutableBiMap.of();
    assertEquals(Collections.<String, Integer>emptyMap(), bimap);
    assertEquals(Collections.<Integer, String>emptyMap(), bimap.inverse());
  }

                CollectionFeature.NON_STANDARD_TOSTRING,
                CollectionFeature.SERIALIZABLE)
            .createTestSuite());
    return suite;
  }

  public void testEmpty() {
    ImmutableRangeSet<Integer> rangeSet = ImmutableRangeSet.of();

    assertThat(rangeSet.asRanges()).isEmpty();
    assertEquals(ImmutableRangeSet.<Integer>all(), rangeSet.complement());

    matcher.setBits(bitset);
    for (int i = Character.MIN_VALUE; i <= Character.MAX_VALUE; i++) {
      assertEquals(matcher.matches((char) i), bitset.get(i));
    }
  }

  public void testEmpty() throws Exception {
    doTestEmpty(CharMatcher.any());
    doTestEmpty(CharMatcher.none());
    doTestEmpty(is('a'));
    doTestEmpty(isNot('a'));
    doTestEmpty(anyOf(""));
    doTestEmpty(anyOf("x"));

    matcher.setBits(bitset);
    for (int i = Character.MIN_VALUE; i <= Character.MAX_VALUE; i++) {
      assertEquals(matcher.matches((char) i), bitset.get(i));
    }
  }

  public void testEmpty() throws Exception {
    doTestEmpty(CharMatcher.any());
    doTestEmpty(CharMatcher.none());
    doTestEmpty(is('a'));
    doTestEmpty(isNot('a'));
    doTestEmpty(anyOf(""));
    doTestEmpty(anyOf("x"));