diff --git a/test/functional/lua/fs_spec.lua b/test/functional/lua/fs_spec.lua
index de6e9f1350..8ab73650a6 100644
--- a/test/functional/lua/fs_spec.lua
+++ b/test/functional/lua/fs_spec.lua
@@ -100,6 +100,10 @@ describe('vim.fs', function()
         test_paths(tests_windows_paths, true)
       end
     end)
+
+    it('trims redundant slashes #37698', function()
+      eq('/name', vim.fs.dirname('/name//////////'))
+    end)
   end)
 
   describe('basename()', function()
@@ -128,6 +132,12 @@ describe('vim.fs', function()
         test_paths(tests_windows_paths, true)
       end
     end)
+
+    it('trims redundant slashes #37698', function()
+      -- XXX: for better or worse, this matches python's `os.path.basename`.
+      -- https://github.com/neovim/neovim/issues/37698#issuecomment-3847866806
+      eq('', vim.fs.basename('/name//////////'))
+    end)
   end)
 
   describe('dir()', function()