assertThat(parse("http://github.com/%%30%30").pathSegments)
      .containsExactly("%00")
  }

  @Test
  fun malformedUtf8Encoding() {
    // Replace a partial UTF-8 sequence with the Unicode replacement character.
    assertThat(parse("http://host/a/%E2%98x/c").pathSegments)
      .containsExactly("a", "\ufffdx", "c")
  }

  @Test
  fun incompleteUrlComposition() {

    filesystem.setFaultyDelete(cacheDir / "a.1", true)
    taskFaker.runNextTask()

    // Confirm the partial snapshot is not returned.
    assertThat(cache["a"]).isNull()

    // Confirm we prevent edits after a trim failure.
    assertThat(cache.edit("a")).isNull()

    // Confirm the partial snapshot is not returned after a successful trim.

    HTTP/2 server, close all but the first connection.
 *  Fix: Fail the HTTP/2 connection if first frame isn't `SETTINGS`.
 *  Fix: Forbid spaces in header names.
 *  Fix: Don't offer to do gzip if the request is partial.
 *  Fix: MockWebServer is now usable with JUnit 5. That update [broke the rules][junit_5_rules].
 *  New: Support `Expect: 100-continue` as a request header. Callers can use this header to