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-rw-r--r--src/nvim/testdir/test_fold.vim57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_fold.vim b/src/nvim/testdir/test_fold.vim
index 2215166cd6..d74187537c 100644
--- a/src/nvim/testdir/test_fold.vim
+++ b/src/nvim/testdir/test_fold.vim
@@ -1273,6 +1273,63 @@ func Test_fold_jump()
bw!
endfunc
+" Test for using a script-local function for 'foldexpr'
+func Test_foldexpr_scriptlocal_func()
+ func! s:FoldFunc()
+ let g:FoldLnum = v:lnum
+ endfunc
+ new | only
+ call setline(1, 'abc')
+ let g:FoldLnum = 0
+ set foldmethod=expr foldexpr=s:FoldFunc()
+ redraw!
+ call assert_equal(expand('<SID>') .. 'FoldFunc()', &foldexpr)
+ call assert_equal(1, g:FoldLnum)
+ set foldmethod& foldexpr=
+ bw!
+ new | only
+ call setline(1, 'abc')
+ let g:FoldLnum = 0
+ set foldmethod=expr foldexpr=<SID>FoldFunc()
+ redraw!
+ call assert_equal(expand('<SID>') .. 'FoldFunc()', &foldexpr)
+ call assert_equal(1, g:FoldLnum)
+ set foldmethod& foldexpr=
+ delfunc s:FoldFunc
+ bw!
+endfunc
+
+" Test for using a script-local function for 'foldtext'
+func Test_foldtext_scriptlocal_func()
+ func! s:FoldText()
+ let g:FoldTextArgs = [v:foldstart, v:foldend]
+ return foldtext()
+ endfunc
+ new | only
+ call setline(1, range(50))
+ let g:FoldTextArgs = []
+ set foldmethod=manual
+ set foldtext=s:FoldText()
+ norm! 4Gzf4j
+ redraw!
+ call assert_equal(expand('<SID>') .. 'FoldText()', &foldtext)
+ call assert_equal([4, 8], g:FoldTextArgs)
+ set foldtext&
+ bw!
+ new | only
+ call setline(1, range(50))
+ let g:FoldTextArgs = []
+ set foldmethod=manual
+ set foldtext=<SID>FoldText()
+ norm! 8Gzf4j
+ redraw!
+ call assert_equal(expand('<SID>') .. 'FoldText()', &foldtext)
+ call assert_equal([8, 12], g:FoldTextArgs)
+ set foldtext&
+ bw!
+ delfunc s:FoldText
+endfunc
+
" Make sure a fold containing a nested fold is split correctly when using
" foldmethod=indent
func Test_fold_split()