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-rw-r--r--src/nvim/testdir/test_marks.vim41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_marks.vim b/src/nvim/testdir/test_marks.vim
index 8858cd22b8..7fd115fd68 100644
--- a/src/nvim/testdir/test_marks.vim
+++ b/src/nvim/testdir/test_marks.vim
@@ -136,3 +136,44 @@ func Test_marks_cmd_multibyte()
bwipe!
endfunc
+
+func Test_delmarks()
+ new
+ norm mx
+ norm `x
+ delmarks x
+ call assert_fails('norm `x', 'E20:')
+
+ " Deleting an already deleted mark should not fail.
+ delmarks x
+
+ " Test deleting a range of marks.
+ norm ma
+ norm mb
+ norm mc
+ norm mz
+ delmarks b-z
+ norm `a
+ call assert_fails('norm `b', 'E20:')
+ call assert_fails('norm `c', 'E20:')
+ call assert_fails('norm `z', 'E20:')
+ call assert_fails('delmarks z-b', 'E475:')
+
+ call assert_fails('delmarks', 'E471:')
+ call assert_fails('delmarks /', 'E475:')
+
+ " Test delmarks!
+ norm mx
+ norm `x
+ delmarks!
+ call assert_fails('norm `x', 'E20:')
+ call assert_fails('delmarks! x', 'E474:')
+
+ bwipe!
+endfunc
+
+func Test_mark_error()
+ call assert_fails('mark', 'E471:')
+ call assert_fails('mark xx', 'E488:')
+ call assert_fails('mark _', 'E191:')
+endfunc