Tests for:
- "gf" on ${VAR},
- ":checkpath!" with various 'include' settings.

STARTTEST
:so small.vim
:if has("ebcdic")
: set isfname=@,240-249,/,.,-,_,+,,,$,:,~,{,}
:else
: set isfname=@,48-57,/,.,-,_,+,,,$,:,~,{,}
:endif
:function! DeleteDirectory(dir)
: if has("win16") || has("win32") || has("win64") || has("dos16") || has("dos32")
:  exec "silent !rmdir /Q /S " . a:dir
: else
:  exec "silent !rm -rf " . a:dir
: endif
:endfun
:if has("unix")
:let $CDIR = "."
/CDIR
:else
:if has("amiga")
:let $TDIR = "/testdir"
:else
:let $TDIR = "."
:endif
/TDIR
:endif
:" Dummy writing for making that sure gf doesn't fail even if the current
:" file is modified. It can be occurred when executing the following command
:" directly on Windows without fixing the 'fileformat':
:"  > nmake -f Make_dos.mak test17.out
:w! test.out
gf
:set ff=unix
:w! test.out
:brewind
ENDTEST

	${CDIR}/test17a.in
	$TDIR/test17a.in

STARTTEST
:" check for 'include' without \zs or \ze
:lang C
:call delete("./Xbase.a")
:call DeleteDirectory("Xdir1")
:!mkdir Xdir1
:!mkdir "Xdir1/dir2"
:e! Xdir1/dir2/foo.a
i#include   "bar.a"
:w
:e Xdir1/dir2/bar.a
i#include      "baz.a"
:w
:e Xdir1/dir2/baz.a
i#include            "foo.a"
:w
:e Xbase.a
:set path=Xdir1/dir2
i#include    <foo.a>
:w
:redir! >>test.out
:checkpath!
:redir END
:brewind
ENDTEST

STARTTEST
:" check for 'include' with \zs and \ze
:call delete("./Xbase.b")
:call DeleteDirectory("Xdir1")
:!mkdir Xdir1
:!mkdir "Xdir1/dir2"
:let &include='^\s*%inc\s*/\zs[^/]\+\ze'
:function! DotsToSlashes()
:  return substitute(v:fname, '\.', '/', 'g') . '.b'
:endfunction
:let &includeexpr='DotsToSlashes()'
:e! Xdir1/dir2/foo.b
i%inc   /bar/
:w
:e Xdir1/dir2/bar.b
i%inc      /baz/
:w
:e Xdir1/dir2/baz.b
i%inc            /foo/
:w
:e Xbase.b
:set path=Xdir1/dir2
i%inc    /foo/
:w
:redir! >>test.out
:checkpath!
:redir END
:brewind
ENDTEST

STARTTEST
:" check for 'include' with \zs and no \ze
:call delete("./Xbase.c")
:call DeleteDirectory("Xdir1")
:!mkdir Xdir1
:!mkdir "Xdir1/dir2"
:let &include='^\s*%inc\s*\%([[:upper:]][^[:space:]]*\s\+\)\?\zs\S\+\ze'
:function! StripNewlineChar()
:  if v:fname =~ '\n$'
:    return v:fname[:-2]
:  endif
:  return v:fname
:endfunction
:let &includeexpr='StripNewlineChar()'
:e! Xdir1/dir2/foo.c
i%inc   bar.c
:w
:e Xdir1/dir2/bar.c
i%inc      baz.c
:w
:e Xdir1/dir2/baz.c
i%inc            foo.c
:w
:e Xdir1/dir2/FALSE.c
i%inc            foo.c
:w
:e Xbase.c
:set path=Xdir1/dir2
i%inc    FALSE.c foo.c
:w
:redir! >>test.out
:checkpath!
:redir END
:brewind
:" change "\" to "/" for Windows and fix 'fileformat'
:e test.out
:%s#\\#/#g
:set ff&
:w
:q
ENDTEST