return new Entry[length];
    }

    @Override
    public Iterable<Entry<String, Collection<Integer>>> order(
        List<Entry<String, Collection<Integer>>> insertionOrder) {
      return insertionOrder;
    }

    @Override
    public String[] createKeyArray(int length) {
      return new String[length];
    }

    @Override

        // First: "" (sb becomes "")
        // Second: sb.length() is 0, no delimiter, append null (sb becomes "null")
        // Third: sb.length() > 0, add "-" + "value" (sb becomes "null-value")
        // Fourth: sb.length() > 0, add "-" + "" (sb becomes "null-value-")
        // Fifth: sb.length() > 0, add "-" + null (sb becomes "null-value--null")
        assertEquals("null-value--null", result);
    }

    // contain non-decimal characters.
    int length = end - start;
    if (length <= 0 || length > 3) {
      throw new NumberFormatException();
    }
    // Disallow leading zeroes, because no clear standard exists on
    // whether these should be interpreted as decimal or octal.
    if (length > 1 && ipString.charAt(start) == '0') {
      throw new NumberFormatException();
    }

        headers.put("Content-Length", Arrays.asList("100"));

        response.setHeaders(headers);

        Map<String, List<String>> result = response.getHeaders();
        assertNotNull(result);
        // Headers should be stored in lowercase
        assertTrue(result.containsKey("content-type"));
        assertTrue(result.containsKey("content-length"));
    }

    @Test

            } else {
                // backward compatibility
                final int length = spaceStr.length();
                spaceChars = new int[length];
                for (int i = 0; i < length; i++) {
                    spaceChars[i] = spaceStr.codePointAt(i);
                }
            }
            propMap.put(key, spaceChars);
        }

  public void testLength() {
    assertThat(ImmutableLongArray.of().length()).isEqualTo(0);
    assertThat(ImmutableLongArray.of(0).length()).isEqualTo(1);
    assertThat(ImmutableLongArray.of(0, 1, 3).length()).isEqualTo(3);
    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 1).length()).isEqualTo(0);
    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 2).length()).isEqualTo(1);
  }

  public void testIsEmpty() {

      if (initialBytes == null) {
        return checkNotNull(bytes);
      } else {
        byte[] result = new byte[initialBytes.length + bytes.length];
        System.arraycopy(initialBytes, 0, result, 0, initialBytes.length);
        System.arraycopy(bytes, 0, result, initialBytes.length, bytes.length);
        return result;
      }
    }

    @Override
    public byte[] getSinkContents() throws IOException {

        assertTrue(DosError.DOS_ERROR_CODES.length > 0, "DOS_ERROR_CODES should contain at least one mapping");
    }

    @Test
    @DisplayName("Each error code mapping contains exactly two ints")
    void testEachPairLength() {
        for (int i = 0; i < DosError.DOS_ERROR_CODES.length; i++) {
            int[] pair = DosError.DOS_ERROR_CODES[i];

        encode_in(buf);
        this.length = buf.getIndex() - start;

        if (this.ptype == 0) {
            buf.setIndex(alloc_hint_index);
            this.alloc_hint = this.length - alloc_hint_index;
            buf.enc_ndr_long(this.alloc_hint);
        }

        buf.setIndex(start);
        encode_header(buf);
        buf.setIndex(start + this.length);
    }

    @Override

        checkArgument(
            fromUpperBounds.length == toUpperBounds.length
                && fromLowerBounds.length == toLowerBounds.length,
            "Incompatible type: %s vs. %s",
            fromWildcardType,
            to);
        for (int i = 0; i < fromUpperBounds.length; i++) {
          populateTypeMappings(mappings, fromUpperBounds[i], toUpperBounds[i]);
        }