specify posix.fnmatch:
- before:
    fnm = require "posix.fnmatch"

- describe fnmatch:
  - before:
      fnmatch, FNM_PATHNAME, FNM_PERIOD, FNM_NOMATCH =
        fnm.fnmatch, fnm.FNM_PATHNAME, fnm.FNM_PERIOD, fnm.FNM_NOMATCH

  - context with bad arguments:
      badargs.diagnose (fnmatch, "(string, string, ?int)")

  - it matches a file path against itself:
      expect (fnmatch ("test", "test")).to_be (0)
  - "it matches * against any filename characters":
      expect (fnmatch ("tes*", "test")).to_be (0)
      expect (fnmatch ("tes*", "test2")).to_be (0)
      expect (fnmatch ("*t*", "test")).to_be (0)
  - "it matches ? against a single filename character":
      expect (fnmatch ("tes?", "test")).to_be (0)
      expect (fnmatch ("t???", "test")).to_be (0)
      expect (fnmatch ("tes?", "tes")).to_be (FNM_NOMATCH)
      expect (fnmatch ("tes?", "test2")).to_be (FNM_NOMATCH)
  - "it doesn't match path separators with FNM_PATHNAME":
      expect (fnmatch ("*test", "/test")).to_be (0)
      expect (fnmatch ("*test", "/test", FNM_PATHNAME)).to_be (FNM_NOMATCH)
  - "it doesn't match periods with FNM_PERIOD":
      expect (fnmatch ("*test", ".test")).to_be (0)
      expect (fnmatch ("*test", ".test", FNM_PERIOD)).to_be (FNM_NOMATCH)