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
:if has("unix")
:let $CDIR = "."
/CDIR
:else
:if has("amiga")
:let $TDIR = "/testdir"
:else
:let $TDIR = "."
:endif
/TDIR
:endif
gf
:w! test.out
:brewind
ENDTEST

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

STARTTEST
:" check for 'include' without \zs or \ze
:lang C
:!rm -f ./Xbase.a
:!rm -rf ./Xdir1
:!mkdir -p 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
:!rm -f ./Xbase.b
:!rm -rf ./Xdir1
:!mkdir -p 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
:!rm -f ./Xbase.c
:!rm -rf ./Xdir1
:!mkdir -p 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
:q
ENDTEST