*/
  int size();

  /**
   * Returns {@code true} if this multimap contains no key-value pairs. Equivalent to {@code size()
   * == 0}, but can in some cases be more efficient.
   */
  boolean isEmpty();

  /**
   * Returns {@code true} if this multimap contains at least one key-value pair with the key {@code
   * key}.
   */

        // toString should include the class name and (if non-null) the message
        String ts = ex.toString();
        assertTrue(ts.contains("SMBProtocolDecodingException"), "toString should include class name");
        if (message != null && !message.isEmpty()) {
            assertTrue(ts.contains(message), "toString should include non-empty message");
        }
    }

    @Test

        // Test toString
        String str = fileInfoWithEof.toString();
        assertNotNull(str);
        assertTrue(str.contains("EndOfFileInformation"));
        assertTrue(str.contains("1024"));
    }

    /**
     * Test FileEndOfFileInformation encode/decode round trip
     */
    @Test

        assertTrue(result.startsWith("SmbComNegotiate["), "String should start with SmbComNegotiate[");
        assertTrue(result.contains("wordCount=0"), "String should contain wordCount=0");
        assertTrue(result.contains("dialects=NT LM 0.12]"), "String should contain dialects=NT LM 0.12]");
    }

   *
   * <p>This is guaranteed to return zero if the dataset contains a single pair of finite values. It
   * is not guaranteed to return zero when the dataset consists of the same pair of values multiple
   * times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *
   * <p>If the dataset contains any non-finite values ({@link Double#POSITIVE_INFINITY}, {@link

      for (int i = WARMUP_MIN; i < WARMUP_MAX; i++) {
        Object key = warmed.get(i - WARMUP_MIN).getKey();
        assertTrue(keys.contains(key));
        assertTrue(keys.remove(key));
        assertFalse(keys.remove(key));
        assertFalse(keys.contains(key));
      }
      checkEmpty(keys);
      checkEmpty(cache);
    }
  }

  public void testValues_populated() {

    void testToString() throws Exception {
        Trans2GetDfsReferral cmd = new Trans2GetDfsReferral("/bar");
        String s = cmd.toString();
        assertTrue(s.contains("Trans2GetDfsReferral["));
        assertTrue(s.contains("filename=/bar"));
        assertTrue(s.contains("maxReferralLevel=0x3"));
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 5, -1, 65534 })
    @DisplayName("referral level variations")

  public void testCopyOf_collection_general() {
    Collection<String> c = MinimalCollection.of("a", "b", "a");
    Set<String> set = copyOf(c);
    assertEquals(2, set.size());
    assertTrue(set.contains("a"));
    assertTrue(set.contains("b"));
  }

  public void testCopyOf_collectionContainingNull() {
    Collection<@Nullable String> c = MinimalCollection.of("a", null, "b");

    }

    @Override
    public boolean contains(@Nullable Object rowKey, @Nullable Object columnKey) {
      return fromTable.contains(rowKey, columnKey);
    }

    @Override
    public @Nullable V2 get(@Nullable Object rowKey, @Nullable Object columnKey) {
      // The function is passed a null input only when the table contains a null
      // value.

          for (int i = MIN_BOUND; i <= MAX_BOUND; i++) {
            Integer expectedValue = null;
            if (range1.contains(i)) {
              expectedValue = 1;
            } else if (range2.contains(i)) {
              expectedValue = 2;
            }

            assertEquals(expectedValue, rangeMap.get(i));
          }
        }
      }
    }
  }