<caret_1>:
  KDocName(80,88): 'test.ext'
    NO_CANDIDATES

<caret_2>:
  KDocName(94,97): 'ext'
    NO_CANDIDATES

<caret_3>:
  KDocName(106,113): 'Foo.ext'
    NO_CANDIDATES

<caret_4>:
  KDocName(119,131): 'test.Foo.ext'
    NO_CANDIDATES