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-rw-r--r--src/testdir/test_diffmode.vim6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim
index 5ee22e25cd..1deb238735 100644
--- a/src/testdir/test_diffmode.vim
+++ b/src/testdir/test_diffmode.vim
@@ -4,6 +4,9 @@ source screendump.vim
func Test_diff_fold_sync()
enew!
+ let g:update_count = 0
+ au DiffUpdated * let g:update_count += 1
+
let l = range(50)
call setline(1, l)
diffthis
@@ -29,6 +32,9 @@ func Test_diff_fold_sync()
call win_gotoid(winone)
call assert_equal(23, getcurpos()[1])
+ call assert_equal(1, g:update_count)
+ au! DiffUpdated
+
windo diffoff
close!
set nomodified