Make "v:errmsg", "v:shell_error" and "v:this_session" distinct

1 files changed, 12 insertions, 0 deletions

diff --git a/test/functional/eval/special_vars_spec.lua b/test/functional/eval/special_vars_spec.lua
index b5773a5529..97a12d490d 100644
--- a/test/functional/eval/special_vars_spec.lua
+++ b/test/functional/eval/special_vars_spec.lua
@@ -174,5 +174,17 @@ describe('Special values', function()
       command('let count = []') -- v:count is readonly
       eq(1, eval('count is# g:["count"]'))
     end)
+    it('v:errmsg is distinct from errmsg', function()
+      command('let errmsg = 1')
+      eq(1, eval('errmsg is# g:["errmsg"]'))
+    end)
+    it('v:shell_error is distinct from shell_error', function()
+      command('let shell_error = []') -- v:shell_error is readonly
+      eq(1, eval('shell_error is# g:["shell_error"]'))
+    end)
+    it('v:this_session is distinct from this_session', function()
+      command('let this_session = []')
+      eq(1, eval('this_session is# g:["this_session"]'))
+    end)
   end)
 end)