[parsing.window.html]
  [Input: "Content-Length: 42\\r\\nContent-Length: 42,42". Expected: 42.]
    expected: FAIL

  [Input: "Content-Length: 30\\r\\nContent-Length: 30,30". Expected: 30.]
    expected: FAIL

  [Input: "Content-Length: 42,30". Expected: network error.]
    expected: FAIL

  [Input: "Content-Length: 30,42". Expected: network error.]
    expected: FAIL

  [Input: "Content-Length: 30,". Expected: network error.]
    expected: FAIL

  [Input: "Content-Length: ,30". Expected: network error.]
    expected: FAIL

  [Input: "Content-Length: aaaah, nah". Expected: network error.]
    expected: FAIL

  [Input: "Content-Length: 30s". Expected: 42.]
    expected: FAIL

  [Input: "Content-Length: 0x20". Expected: 42.]
    expected: FAIL

  [Input: "Content-Length: 030, 30". Expected: network error.]
    expected: FAIL