val blank = readUtf8LineStrict()

      if (MAGIC != magic ||
        VERSION_1 != version ||
        appVersion.toString() != appVersionString ||
        valueCount.toString() != valueCountString ||
        blank.isNotEmpty()
      ) {
        throw IOException(
          "unexpected journal header: [$magic, $version, $valueCountString, $blank]",
        )
      }

    -1L -> skip(buffer.size) // Exhaust this source.
    else -> skip(newline + 1)
  }
}

/**
 * Reads lines from `IdnaMappingTable.txt`.
 *
 * Comment lines are either blank or start with a `#` character. Lines may also end with a comment.
 * All comments are ignored.
 *
 * Regular lines contain fields separated by semicolons.
 *

      System.err.println("Ignoring unsupported scheme ${testData.scheme}")
      return
    }

    if (!testData.base!!.startsWith("https:") &&
      !testData.base!!.startsWith("http:") &&
      testData.base != "about:blank"
    ) {
      System.err.println("Ignoring unsupported base ${testData.base}")
      return
    }

    try {
      testHttpUrl(testData)
      if (KNOWN_FAILURES.contains(testData.toString())) {

        responseHeaders = responseHeadersBuilder.build()

        if (url.isHttps) {
          val blank = source.readUtf8LineStrict()
          if (blank.isNotEmpty()) {
            throw IOException("expected \"\" but was \"$blank\"")
          }
          val cipherSuiteString = source.readUtf8LineStrict()
          val cipherSuite = CipherSuite.forJavaName(cipherSuiteString)

test  s:file p:/tmp/mock/test
file:test  s:file p:/tmp/mock/test

# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/script-tests/path.js
http://example.com/././foo about:blank s:http h:example.com p:/foo
http://example.com/./.foo  s:http h:example.com p:/.foo
http://example.com/foo/.  s:http h:example.com p:/foo/
http://example.com/foo/./  s:http h:example.com p:/foo/

27F0..27FF    ; valid                  ;      ; NV8    # 3.2  UPWARDS QUADRUPLE ARROW..LONG RIGHTWARDS SQUIGGLE ARROW
2800..28FF    ; valid                  ;      ; NV8    # 3.0  BRAILLE PATTERN BLANK..BRAILLE PATTERN DOTS-12345678
2900..2A0B    ; valid                  ;      ; NV8    # 3.2  RIGHTWARDS TWO-HEADED ARROW WITH VERTICAL STROKE..SUMMATION WITH INTEGRAL

    magic: String,
    version: String,
    appVersion: String,
    valueCount: String,
    blank: String,
    vararg bodyLines: String,
  ) {
    filesystem.write(journalFile) {
      writeUtf8(
        """
        |$magic
        |$version
        |$appVersion
        |$valueCount
        |$blank
        |
        """.trimMargin(),
      )
      for (line in bodyLines) {