1 files changed, 21 insertions, 0 deletions
diff --git a/test/functional/script/luacats_grammar_spec.lua b/test/functional/script/luacats_grammar_spec.lua
index 931fe42dd0..c3ac9fe722 100644
--- a/test/functional/script/luacats_grammar_spec.lua
+++ b/test/functional/script/luacats_grammar_spec.lua
@@ -130,4 +130,25 @@ describe('luacats grammar', function()
     type = 'b',
     desc = 'desc',
   })
+
+  test(
+    '@field prefix? string|table|(fun(diagnostic:vim.Diagnostic,i:integer,total:integer): string, string)',
+    {
+      kind = 'field',
+      name = 'prefix?',
+      type = 'string|table|(fun(diagnostic:vim.Diagnostic,i:integer,total:integer): string, string)',
+    }
+  )
+
+  test('@field [integer] integer', {
+    kind = 'field',
+    name = '[integer]',
+    type = 'integer',
+  })
+
+  test('@field [1] integer', {
+    kind = 'field',
+    name = '[1]',
+    type = 'integer',
+  })
 end)