// True if getValue never returns null.
    private boolean isFull() {
      return size == keyToIndex().size();
    }

    K getKey(int index) {
      return keyToIndex().keySet().asList().get(index);
    }

    abstract @Nullable V getValue(int keyIndex);

    @Override
    ImmutableSet<K> createKeySet() {
      return isFull() ? keyToIndex().keySet() : super.createKeySet();
    }

	Store         Store[I]
	CommitTimeout time.Duration
	Log           logger
}

// Add adds the item to the batch
func (b *Batch[I]) Add(item I) error {
	b.Lock()
	defer b.Unlock()

	if b.isFull() {
		if b.store == nil {
			return ErrBatchFull
		}
		// commit batch to store
		if err := b.commit(); err != nil {
			return err
		}
	}

	b.items = append(b.items, item)
	return nil
}

    // True if getValue never returns null.
    private boolean isFull() {
      return size == keyToIndex().size();
    }

    K getKey(int index) {
      return keyToIndex().keySet().asList().get(index);
    }

    abstract @Nullable V getValue(int keyIndex);

    @Override
    ImmutableSet<K> createKeySet() {
      return isFull() ? keyToIndex().keySet() : super.createKeySet();
    }

    assertThat(map.getInstance(Integer.class)).isNull();

    map.putInstance(Long.class, null);
    assertTrue(map.containsKey(TypeToken.of(Long.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Long.class), null)));
    assertThat(map.get(TypeToken.of(Long.class))).isNull();
    assertThat(map.getInstance(Long.class)).isNull();
  }

    assertThat(request.body).isNull()
  }

  @Test
  fun userAgent() {
    val request = fromArgs("-A", "foo", "http://example.com").createRequest()
    assertThat(request.method).isEqualTo("GET")
    assertThat(request.url.toString()).isEqualTo("http://example.com/")
    assertThat(request.header("User-Agent")).isEqualTo("foo")
    assertThat(request.body).isNull()
  }

  @Test

  private static final Object OBJECT = new Object();

  public void testNewReference() throws Exception {
    assertThat(Atomics.newReference().get()).isNull();
  }

  public void testNewReference_withInitialValue() throws Exception {
    assertThat(Atomics.newReference(null).get()).isNull();
    assertEquals(OBJECT, Atomics.newReference(OBJECT).get());
  }

  public void testNewReferenceArray_withLength() throws Exception {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.ResponseBody.Companion.asResponseBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.ByteString.Companion.encodeUtf8

        .readByteString()

    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("aaa")).isNull()
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("ggg")).isNull()
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("ccc")).isNull()
    assertThat(publicSuffixDatabase.getEffectiveTldPlusOne("eee")).isNull()
  }

  @Test fun exceptionRule() {
    list.bytes =
      Buffer()
        .writeUtf8("*.jp\n")

    assertThat(map.get(Integer.class)).isNull();
    assertThat(map.getInstance(Integer.class)).isNull();

    map.put(Long.class, null);
    assertThat(map.get(Long.class)).isNull();
    assertThat(map.getInstance(Long.class)).isNull();
  }

  public void testPrimitiveAndWrapper() {
    assertThat(map.getInstance(int.class)).isNull();
    assertThat(map.getInstance(Integer.class)).isNull();

    }
  }

  public void testPut() {
    assertThat(table.put("foo", 1, cellValue('a'))).isNull();
    assertThat(table.put("bar", 1, cellValue('b'))).isNull();
    assertThat(table.put("foo", 3, cellValue('c'))).isNull();
    assertEquals((Character) 'a', table.put("foo", 1, cellValue('d')));
    assertEquals((Character) 'd', table.get("foo", 1));