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-rw-r--r--src/testdir/test_fold.vim29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/testdir/test_fold.vim b/src/testdir/test_fold.vim
index 7184142a44..871d427bf2 100644
--- a/src/testdir/test_fold.vim
+++ b/src/testdir/test_fold.vim
@@ -1629,6 +1629,35 @@ func Test_foldtext_in_modeline()
delfunc ModelineFoldText
endfunc
+" Test for setting 'foldexpr' from the modeline and executing the expression
+" in a sandbox
+func Test_foldexpr_in_modeline()
+ func ModelineFoldExpr()
+ call feedkeys('aFoo', 'xt')
+ return strlen(matchstr(getline(v:lnum),'^\s*'))
+ endfunc
+ let lines =<< trim END
+ aaa
+ bbb
+ ccc
+ ccc
+ bbb
+ aaa
+ " vim: foldenable foldmethod=expr foldexpr=ModelineFoldExpr()
+ END
+ call writefile(lines, 'Xmodelinefoldexpr', 'D')
+
+ set modeline modelineexpr
+ split Xmodelinefoldexpr
+
+ call assert_equal(2, foldlevel(3))
+ call assert_equal(lines, getbufline('', 1, '$'))
+
+ bw!
+ set modeline& modelineexpr&
+ delfunc ModelineFoldExpr
+endfunc
+
" Make sure a fold containing a nested fold is split correctly when using
" foldmethod=indent
func Test_fold_split()