assertThat(body.encodedName(0)).isEqualTo("a%2B%3D%26+b")
    assertThat(body.encodedName(1)).isEqualTo("space%2C+the")
    assertThat(body.encodedName(2)).isEqualTo("%2525")
    assertThat(body.name(0)).isEqualTo("a+=& b")
    assertThat(body.name(1)).isEqualTo("space, the")
    assertThat(body.name(2)).isEqualTo("%25")
    assertThat(body.encodedValue(0)).isEqualTo("c%2B%3D%26+d")

      // Encode ' ' as '+'.
      writeUtf8("+")
    } else if (codePoint == '+'.code && plusIsSpace) {
      // Encode '+' as '%2B' since we permit ' ' to be encoded as either '+' or '%20'.
      writeUtf8(if (alreadyEncoded) "+" else "%2B")
    } else if (codePoint < 0x20 ||
      codePoint == 0x7f ||
      codePoint >= 0x80 &&
      !unicodeAllowed ||
      codePoint.toChar() in encodeSet ||

        exp = "test.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "http://example.com/test%20+%2B.txt";
        exp = "test  +.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "file://example.com/test%20+%2B.txt";
        exp = "test ++.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

            encodeSet = FORM_ENCODE_SET,
            // Plus is encoded as `%2B`, space is encoded as plus.
            plusIsSpace = false,
            charset = charset,
          )
        values +=
          value.canonicalizeWithCharset(
            encodeSet = FORM_ENCODE_SET,
            // Plus is encoded as `%2B`, space is encoded as plus.
            plusIsSpace = false,
            charset = charset,

    assertEscaping(e, "%29", ')');
    assertEscaping(e, "%7E", '~');
    assertEscaping(e, "%27", '\'');

    // Plus for spaces
    assertEscaping(e, "+", ' ');
    assertEscaping(e, "%2B", '+');

    assertEquals("safe+with+spaces", e.escape("safe with spaces"));
    assertEquals("foo%40bar.com", e.escape("******@****.***"));
  }

  public void testUrlPathSegmentEscaper() {

    assertEscaping(e, "%29", ')');
    assertEscaping(e, "%7E", '~');
    assertEscaping(e, "%27", '\'');

    // Plus for spaces
    assertEscaping(e, "+", ' ');
    assertEscaping(e, "%2B", '+');

    assertEquals("safe+with+spaces", e.escape("safe with spaces"));
    assertEquals("foo%40bar.com", e.escape("******@****.***"));
  }

  public void testUrlPathSegmentEscaper() {

        .addQueryParameter("a+=& b", "c+=& d")
        .addQueryParameter("a+=& b", "e+=& f")
        .build()
    assertThat(url.toString())
      .isEqualTo("http://host/?a%2B%3D%26%20b=c%2B%3D%26%20d&a%2B%3D%26%20b=e%2B%3D%26%20f")
    assertThat(url.querySize).isEqualTo(2)
    assertThat(url.queryParameterNames).isEqualTo(setOf("a+=& b"))
    assertThat(url.queryParameterValues("a+=& b"))

                }
            }
        } else {
            enc = fessConfig.getCrawlerDocumentFileNameEncoding();
        }

        final String escapedUrl = escapePlus ? url.replace("+", "%2B") : url;
        try {
            return URLDecoder.decode(escapedUrl, enc);
        } catch (final Exception e) {
            return url;
        }
    }

    /**

        Map<String, Object> doc2a = new HashMap<>();
        doc2a.put("id", "2a");
        builder2.addDocument(doc2a);
        Map<String, Object> doc2b = new HashMap<>();
        doc2b.put("id", "2b");
        builder2.addDocument(doc2b);
        builder2.allRecordCount(2L);
        SearchResult result2 = builder2.build();

        // First result should have 1 document

  private static final String E11 = "1-1";
  private static final String E11_A = "1-1a";
  private static final String E12 = "1-2";
  private static final String E12_A = "1-2a";
  private static final String E12_B = "1-2b";
  private static final String E21 = "2-1";
  private static final String E13 = "1-3";
  private static final String E31 = "3-1";
  private static final String E34 = "3-4";
  private static final String E44 = "4-4";