[setPathData-malformed.html]
  [setPathData() with NaN truncates at that segment]
    expected: FAIL

  [setPathData() with Infinity truncates at that segment]
    expected: FAIL

  [setPathData() rejects a leading non-moveto segment]
    expected: FAIL

  [setPathData() rejects a leading moveto with the wrong arity]
    expected: FAIL