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-rw-r--r--src/nvim/testdir/test_syntax.vim2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_syntax.vim b/src/nvim/testdir/test_syntax.vim
index d686ad7e96..9903b48dbe 100644
--- a/src/nvim/testdir/test_syntax.vim
+++ b/src/nvim/testdir/test_syntax.vim
@@ -623,6 +623,8 @@ func Test_synstack_synIDtrans()
call assert_equal(['cComment', 'cTodo'], map(synstack(line("."), col(".")), 'synIDattr(v:val, "name")'))
call assert_equal(['Comment', 'Todo'], map(synstack(line("."), col(".")), 'synIDattr(synIDtrans(v:val), "name")'))
+ call assert_fails("let n=synIDtrans([])", 'E745:')
+
syn clear
bw!
endfunc