assertThat(transpose(transpose)).isSameInstanceAs(directedGraph);
    AbstractGraphTest.validateGraph(transpose.asGraph());

    assertThat(transpose.edgeValueOrDefault(N1, N2, null)).isNull();
    for (Integer node : directedGraph.nodes()) {
      assertThat(directedGraph.inDegree(node)).isSameInstanceAs(transpose.outDegree(node));

  }

  public void testStringConverter_nullConversions() {
    assertThat(Shorts.stringConverter().convert(null)).isNull();
    assertThat(Shorts.stringConverter().reverse().convert(null)).isNull();
  }

  public void testStringConverter_reverse() {
    Converter<String, Short> converter = Shorts.stringConverter();

    hashtableTestHelper(ImmutableList.of(22938));
  }

  // Non-creation tests

  public void testNullGet() {
    ImmutableMap<String, Integer> map = ImmutableMap.of("one", 1);
    assertThat(map.get(null)).isNull();
  }

  public void testAsMultimap() {
    ImmutableMap<String, Integer> map =
        ImmutableMap.of("one", 1, "won", 1, "two", 2, "too", 2, "three", 3);
    ImmutableSetMultimap<String, Integer> expected =

    assertEquals(multimap, unmodifiable);

    assertThat(unmodifiable.asMap().get("bar")).containsExactly(5, -1);
    assertThat(unmodifiable.asMap().get("missing")).isNull();

    assertFalse(unmodifiable.entries() instanceof Serializable);
  }

  /** Prepares the multimap for unmodifiable tests, returning an unmodifiable view of the map. */

 * limitations under the License.
 */
package okhttp3.internal.http2

import assertk.assertThat
import assertk.assertions.containsExactly
import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import java.io.IOException
import java.util.Arrays
import kotlin.test.assertFailsWith
import okhttp3.TestUtil.headerEntries
import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.decodeHex

      Throwable throwable, Class<? extends Throwable> clazz, Object[] params) {
    assertThat(throwable).isInstanceOf(clazz);
    if (params.length == 1) {
      assertThat(throwable).hasMessageThat().isNull();
    } else if (params.length == 2) {
      assertThat(throwable).hasMessageThat().isEmpty();
    } else {
      assertThat(throwable)
          .hasMessageThat()

          }
        }

        try {
          assertEquals(expected, rangeMap.span());
          assertThat(expected).isNotNull();
        } catch (NoSuchElementException e) {
          assertThat(expected).isNull();
        }
      }
    }
  }

  public void testAllRangesAlone() {
    for (Range<Integer> range : RANGES) {
      Map<Integer, Integer> model = new HashMap<>();
      putModel(model, range, 1);

        },
        "italian_elision": {
          "type":         "elision",
          "articles": [
                "c", "l", "all", "dall", "dell",
                "nell", "sull", "coll", "pell",
                "gl", "agl", "dagl", "degl", "negl",
                "sugl", "un", "m", "t", "s", "v", "d"
          ]
        },
        "italian_stop": {
          "type":       "stop",

    if (hung) {
      assertEquals(expectedOutcome, Outcome.HANG);
    } else {
      assertThat(task.get(UNEXPECTED_HANG_DELAY_MILLIS, TimeUnit.MILLISECONDS)).isNull();
    }
  }

  @Override
  protected void tearDown() throws Exception {
    // We don't want to leave stray threads running after each test. At this point, every thread
    // launched by this test is either:

      Object key = entry.getKey();
      Object value = entry.getValue();
      assertThat(result.get(key)).isSameInstanceAs(value);
      assertThat(result.get(value)).isNull();
      assertThat(cache.asMap().get(key)).isSameInstanceAs(value);
      assertThat(cache.asMap().get(value)).isSameInstanceAs(key);
    }
  }

  public void testBulkLoad_clobber() throws ExecutionException {